U.S. patent number 3,897,061 [Application Number 05/369,105] was granted by the patent office on 1975-07-29 for variable force projector and catcher.
Invention is credited to Donald J. Grattan.
United States Patent |
3,897,061 |
Grattan |
July 29, 1975 |
Variable force projector and catcher
Abstract
A spring-operated plunger type ball shooter is disclosed having
a ball catcher and holder at one end and a twist grip trigger at
the other end. The shooter is designed for the playing of games and
includes a gravity actuated elevation indicator and a spring force
indicator to increase the fun and accuracy of shooting. The ball or
projectile is further characterized by having a tail of fabric or
the like for visibility in flight. Hinged radial pins in the ball
catcher end facilitate retention of the ball therein.
Inventors: |
Grattan; Donald J. (Chicago,
IL) |
Family
ID: |
23454112 |
Appl.
No.: |
05/369,105 |
Filed: |
June 11, 1973 |
Current U.S.
Class: |
473/511; 42/1.01;
124/31; 124/44.7; 473/45; 124/26; 124/38 |
Current CPC
Class: |
F41B
7/00 (20130101) |
Current International
Class: |
F41B
7/00 (20060101); A63b 071/02 () |
Field of
Search: |
;42/1A,1S,7G
;124/16,17,37,38,21,26,31,41 ;273/69,96,101 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Oechsle; Anton O.
Assistant Examiner: Siskind; Marvin
Attorney, Agent or Firm: Harbaugh and Thomas
Claims
What is claimed is:
1. A toy projectile shooter comprising:
an elongated tubular barrel having a projectile-receiving muzzle
end and a breech end; a projectile;
said muzzle end being flared and defining an open-ended cup larger
than said projectile and includes:
a series of circumferential spaced flexible members extending
radially inward from the wall thereof;
the axial distance of said flexible members from said muzzle end of
said barrel being substantially equal to the diameter of said
projectile and the length of said flexible members in relation to
the diameter of said walled cup being such that said projectile
passes therethrough with said flexible members retaining said
projectile in spaced relationship aligned with said plunger rod by
tangential contact with said projectile;
a trigger assembly at said breech end;
a spring-loaded plunger rod reciprocatably mounted within said
tubular barrel;
one end of said plunger rod being forcefully extendable through
said muzzle end of said barrel;
the other end of said plunger rod extending in operable
relationship with said trigger assembly and having a handle end
extending beyond said breech;
stop means at each end of said barrel to contain said spring-loaded
plunger rod therein;
longitudinally spaced catch means along said plunger rod and each
being registerable with said trigger mechanism at selected cocked
positions of bias of said spring-loaded plunger rod;
means along said tubular barrel to indicate said selected biased
positions of said plunger rod therein whereby the force applied to
a projectile contained in said muzzle end is controlled upon
release of said trigger assembly;
a gravity-sensitive member carried by said tubular barrel;
means connected to said gravity-sensitive member to indicate the
longitudinal angular elevation of said barrel;
said trigger assembly includes a detent extending radially into
said tubular barrel for registry with said catch means on said
plunger rod to hold said plunger rod at selected positions of bias;
and
means to move said detent circumferentially independent of said
plunger rod to and from said positions of registry.
2. A toy projectile shooter comprising:
an elongated tubular barrel having a projectile receiving muzzle
end and a breech end a projectile;
said projectile receiving end defining an open-ended cup larger
than the diameter of said projectile and including:
a series of circumferential spaced flexible members extending
radially inward from the wall thereof;
the axial distance of said flexible members from said muzzle end of
said barrel being substantially equal to the diameter of said
projectile and the length of said flexible members in relation to
the diameter of said walled cup being such that said projectile
passes therethrough with said flexible members retaining said
projectile in spaced relationship aligned with said plunger rod by
tangential contact with said projectile;
an elongated slot extending intermediate the ends of said tubular
barrel;
a trigger assembly at said breech end;
a spring-loaded plunger rod reciprocatably mounted within said
tubular barrel;
one end of said plunger rod being forcefully extendable through
said muzzle end of said barrel;
the other end of said plunger rod extending in operable
relationship with said trigger assembly and having a handle end
extending beyond said breech;
stop means at each end of said barrel to contain said spring-loaded
plunger rod therein;
a guide flange on said plunger rod having a radial indicator tab
extending into said elongated slot and being reciprocatable
therewith;
a series of longitudinally spaced notches along an intermediate
portion of said plunger rod facing said elongated slot;
each of said notches having a vertical wall and an oblique wall
intersecting therewith; said vertical walls facing the muzzle end
of said tubular barrel;
said trigger assembly including a spring detent extending radially
into said tubular barrel for registry with said notches to hold
said plunger rod at selected positions of bias;
said detent having complimentary vertical and oblique walls fitting
into the walls of said notches with said vertical wall thereof
engaging the vertical wall of said notches whereby to cam over said
oblique walls of said notches upon retraction of said spring-loaded
plunger rod to the cocked position and lock into a selected notch
upon release of said plunger rod;
means in said trigger assembly to bias said detent
circumferentially into registry with said notches, said means being
movable to release same from said registry; and
means along said tubular barrel to indicate said selected biased
positions of said radial indicator tab and plunger rod therein
whereby the force applied to a projectile contained in said muzzle
end is controlled upon release of said trigger assembly.
3. A toy projectile shooter comprising:
an elongated tubular barrel having a projectile receiving muzzle
end and a breech end;
said tubular barrel having a pair of spaced flanges at the breech
end;
a trigger assembly at said breech end;
a spring-loaded plunger rod reciprocatably mounted within said
tubular barrel;
one end of said plunger rod being forcefully extendable through
said muzzle end of said barrel;
the other end of said plunger rod extending in operable
relationship with said trigger assembly and having a handle end
extending beyond said breech;
stop means at each end of said barrel to contain said spring-loaded
plunger rod therein;
said tubular barrel having a pair of spaced flanges at the breech
end and an elongated slot extending intermediate its ends;
a guide flange on said plunger rod having a radial tab extending
into said elongated slot and being reciprocatable therewith;
a series of spaced notches along an intermediate portion of said
plunger rod facing said elongated slot;
each of said notches having a vertical wall and an oblique wall
intersecting therewith, said vertical walls facing the muzzle end
of said tubular barrel;
said trigger assembly includes a tubular handle member rotatably
mounted on said tubular barrel between said spaced flanges at the
breech end;
a slotted opening is provided in said tubular barrel opposite said
tubular handle and opening to said plunger rod;
said trigger assembly includes a spring detent carried by said
tubular handle and extending radially into said tubular barrel
through said slotted opening for registry with said notches to hold
said plunger rod at selected portions of bias;
circumferential biasing means including a tab carried by said
tubular handle in said trigger assembly to bias said detent
circumferentially into registry with said notches, said means being
movable to release same from registry, and including an arcuate
slot on the inside of one of said flanges receiving the end of said
tab;
a spring carried in said slot and biased against said tab to urge
said tubular housing circumferentially and carry said detent into
registry with said notches;
said detent having complementary vertical and oblique walls for
fitting into the walls of said notches with said vertical wall
thereof engaging the vertical wall of said notches whereby to cam
over said notches upon retraction of said spring-loaded plunger to
the cocked position and lock into a selected notch upon release of
said plunger rod; and
means along said tubular barrel to indicate said selected biased
positions of said plunger rod therein whereby the force applied to
a projectile contained in said muzzle end is controlled upon
release of said trigger assembly.
4. A toy projectile shooter comprising:
an elongated tubular barrel member having an inner seat on the
muzzle end, a second inner seat adjacent and spaced from the breech
end and a plug member at the breech end;
said seats and plug member having axially aligned bores
therethrough;
a projectile receiving cup at the muzzle end of said tubular
barrel;
a plunger rod reciprocatably mounted within said tubular member and
carried by said axially aligned bores;
said plunger rod having a radial flanged guide member adjacent and
spaced from said muzzle seat;
said plunger rod being longer than said tubular member and having a
protruding striker end and a protruding handle end;
a pair of compression springs encompassing said plunger rod
member;
one of said compression springs being a shock absorber between said
muzzle seat and said guide member, the other of said compression
spring being a propulsion spring between said guide member and said
second seat;
an elongated longitudinal guide slot in the top wall of said
tubular member extending forward of the normal position of said
radial guide member and forward of said second seat;
an indicator tab extending radially from said radial guide member
into said guide slot;
said plunger rod being reciprocatable within said tubular member
within the coqpression limits of said propulsion spring with said
indicator tab reciprocating within said slot;
a series of longitudinally spaced catch members along said plunger
rod within said tubular member;
a trigger assembly at the breech end of said tubular barrel member
having a radially reciprocatable detent member; and
means to selectively move said detent member into and out of
engagement with said catch members;
including a sleeve member rotatably mounted on said tubular barrel
member about said breech end and retained by said plug member;
said sleeve member carrying said detent member for rotation to and
from registry with said catch members; and
means biasing said sleeve member into latched relationship with
said catch members;
whereby said plunger rod upon movement against said propulsion
spring is held in a retracted position by said detent member and
released to cause said striker end to propel said projectile from
said cap.
5. A toy projectile shooter in accordance with claim 4
including:
scaled indicia associated with said guide slot and guide tab to
indicate the relative compression on said propulsion spring when
any one of said catch members is engaged by said detent.
6. A toy projectile shooter in accordance with claim 4
including:
a gravity-actuated level indicator associated with said tubular
barrel member whereby the longitudinal angular elevation of said
projectile shooter is shown.
7. A toy projectile shooter in accordance with claim 6 in
which:
said gravity-actuated level indicator comprises a pendulum
pivotally mounted on a transverse axis on said tubular barrel
member;
said pendulum member having an arcuate top portion above said axis
bearing spaced indicia and a weighted bottom portion below said
axis; and
a reference on said barrel member to indicate the relative vertical
angle of said barrel above the horizontal.
8. A toy projectile shooter comprising:
an elongated tubular barrel having a muzzle end and a breech
end;
said tubular barrel includes a forearm member intermediate its
ends;
said forearm member having an open-topped recess thereacross;
a pendulum member pivotally mounted on a transverse axis within
said recess and having an arcuate top portion bearing spaced
indicia;
a fixed reference above said recess and top portion of said
pendulum to indicate the vertical angle of said tubular barrel
above the horizontal;
a projectile receiving cup at the muzzle end of said tubular
member;
an inner circumferential flange seat at the muzzle end of said
tubular barrel defining a first bore therethrough;
an inner circumferential flange seat at the breech end of said
tubular barrel defining a second bore therethrough axially aligned
with said first bore;
a plunger rod reciprocatably mounted within said tubular barrel,
extending through said first and second bores with one end of said
plunger rod being forcefully extendable through said projectile
receiving cup and the other end of said plunger rod having a handle
end extending beyond said breech end;
said plunger rod having a radial flanged guide member adjacent and
spaced from said flanged seat at the muzzle end of said tubular
barrel;
a pair of compression springs encompassing said plunger rod;
one of said compression springs being a shock absorber between said
flanged seat at the muzzle end and said flanged guide member on
said plunger rod; the other of said compression springs being a
propulsion spring between said flanged guide member and said
flanged seat at the breech end of said tubular barrel;
a portion of said plunger rod encompassed by said propulsion spring
defining a semi-circular cross-section and an elliptical cross
section;
a series of longitudinally spaced notches in said elliptical
portion of said plunger rod;
a radially extending reciprocatable trigger detent at the breech
end of said tubular barrel;
first means biasing said trigger detent radially toward said
notches;
said trigger detent having complimentary vertical and oblique walls
fitting into said notches with said vertical wall engaging the
outer portion of said vertical wall of each notch;
rotatable support means for said trigger detent carried by said
tubular barrel at the breech end;
second means biasing said support means to rotate said trigger
detent circumferentially into engagement with said notches; and
the retracted position of said second biasing means allowing the
vertical surface of said trigger detent to clear the vertical face
of each of said notches, along said elliptical portion in the
extended position of said first biasing means.
Description
BACKGROUND OF THE INVENTION
There are a number of spring-operated toy guns in the prior art
adopted to project a missle into the air and catch it again. Most
use a tethered projectile. Means for adjusting the spring tension
is either lacking or quite crude. The spring-tension on fishing
bait projectors is convenient in that the spring is wound like a
watch spring. Furthermore, the prior art devices are not suited for
playing games and lack interest for this reason.
SUMMARY OF THE INVENTION
The objective of this invention is to provide a ball or projectile
shooter which is easy to handle, lightweight and shoots the ball
with reasonable accuracy and adjustable distance so that
duplicating shots is made possible, particularly when some
indication of the elevation or angle of the shot is given to the
player. The device provides a means to play a game wherein one
shooter shoots his ball along a trajectory and one or more other
players shoot at the ball in flight with their ball shooters, like
the game of trap or skeet. The presence of the tail on the ball
gives visual impetus to the game and also increases the chances for
a hit. In one aspect of the invention the catch or trigger is
rotary so that its release is by means of a twisting force on the
butt end of the barrel thus facilitating the release of the catch
without a pull motion which would interfere with the elevation and
direction adjustments. The position of both the elevation and force
variables are clearly before the player at all times making it
easier to duplicate shots with more accuracy.
More particularly the actuating plunger is engaged by a rotatable
sear at any one of a number of notches as it is pulled back in the
tubular barrel. The barrel is provided with an elongated slot in
the side wall whereby the extent of retraction of the plunger
against the actuating spring is made visible. The plunger is
provided with indicia to show the extent of compression of the
spring. The forearm has a gravity actuated pendulum suspended
within a recess therein on its top side with a scale associated
therewith to indicate the angle of the barrel above or below
horizontal at the time of a shot.
The barrel has a cup or open-faced housing at the muzzle end which
is adapted to receive the generally spherical soft projectile. A
number of inwardly projecting flexible radial fingers are provided
around the opening of the cup to retain the projectile in operable
relationship with the striking end of the plunger. The cup and its
fingers also serve as a receptacle by which a projectile shot by
another gun can be caught as part of a game of skill. All of the
parts are of simple design and are fitted together in a manner to
make manufacture and assembly inexpensive. The absence of a stock
or pistol grip makes the device more like a wand that is easily
manipulated during loading and shooting.
DESCRIPTION OF THE DRAWINGS:
An illustrative embodiment of the invention is shown in the
drawings wherein:
FIG. 1 is a side plan view of the ball shooter with the projectile
or ball shown in dotted lines.
FIG. 2 is a top plan view of the shooter.
FIG. 3 is a cross-sectional view of the catcher end of the barrel
taken along the lines 3--3 of FIG. 2.
FIG. 4 is an isometric view of the shooter as seen from the
player's viewpoint as he uses same illustrating the close
association of the force and elevation indicators.
FIG. 5 is a cross-sectional view taken along the lines 5--5 of FIG.
3.
FIG. 6 is a longitudinal cross-sectional view taken along the lines
6--6 of FIG. 4.
FIG. 7 is a cross-sectional view of the elevation indicator taken
along the lines 7--7 of FIG. 2.
FIG. 8 is a fragmentary exploded view of the rotatable buzzer
handle at the butt end of the barrel.
FIG. 9 is an enlarged fragmentary cross-sectional view of the butt
end of the barrel to show the details of the rotatable trigger
arrangement.
FIG. 10 is a cross-sectional view along the lines 10--10 of FIG. 9
and
FIG. 11 is a view like FIG. 10 showing the trigger or catch in the
release position and also indicating the relative position of the
cover plate for this part of the shooter.
DESCRIPTION OF THE PREFERRED EMBODIMENT:
Referring to FIGS. 1, 2 and 3 the shooter is shown to include the
tubular barrel member 10 having the flared catcher housing member
12 at the muzzle end and the trigger assembly 14 at the butt end of
the barrel. The barrel 10 carries the forearm member 16,
intermediate its ends which serves as a hand grip. The barrel has
an elongated slot 18 (also shown in FIGS. 6 and 9) that extends a
substantial length of the barrel and communicates with the internal
bore 20 thereof. The slot 18 forms a retaining edge for the
elongated transparent cover or window 22. The peripheral edge 24 of
the window 22 may be affixed within the slot 18 by means of an
adhesive. The spaced indicia or numerals 1-6, indicated at 26 on
the top surface of the cover 22 are provided to show the relative
force being applied to the projectile as will be described.
Referring particularly to FIGS. 3 and 5, it is seen that the
catcher member 12 is cup-shaped having the flared open end 30
defined by the wall 32 which also defines the extended lip 34 over
the top portion of the cup at the open end. The cup member 12 has
the circular base flange 36 that encompasses the open end of the
wall 38 of the tubular member 10. The juncture 40 of these parts
can be threaded or represent an adhesive interface. Alternatively
the neck 36 can be press-fitted or threaded onto the tubular wall
38.
The projectile 42 is shown in FIG. 3, same being a soft rubber or
soft plastic ball of either hollow construction or having a hard
core surrounded by a spherical layer of soft rubber or soft
plastic. The purpose is to provide a projectile which will be
fairly stable in flight yet will not cause any injury if it strikes
a person. The ball is provided with a tail or flag 44 of any
desired color fastened thereto at one point 46 by any suitable
means. The tail 44 can be provided with a knot at one end which is
molded deep into the body of the ball at the time of production so
that there is no tendency for it to tear out.
The ball 42 is smaller in diameter than the effective diameter of
the inside opening 30 of the cup 12 so that a radial space 48
therearound is provided which is about the same as the radius of
the ball. In other words, the diameter of the ball is about
one-half the diameter of the opening 30. These dimensions are
subject to variation and a larger cup 12, in relation to the size
of the ball 42 can be used, particularly for use by children.
The wall 32 of the cup 12 is provided with four or more equally
spaced holes, indicated at 50, to receive the heads 52 of the
flexible tapered fingers 54, the tip ends 56 of which are separated
from each other by an amount less than the diameter of the ball 42.
The heads 52, are larger than the holes 50. The body of each finger
is reduced in size just below the head 52 so as to snap-fit therein
and the neck 58 of each finger is again enlarged and tapered
therefrom. These parts are made of flexible plastic or rubber so
that the fingers can be readily installed by inserting the tips 56
in the holes 50 from the outside and pressing the fingers inwardly
until the neck 58 snaps through the hole 50 and into the
relationship shown. The heads 52 are rounded so that no harmful
projections are on the outside surface of the cup 12. If desired,
the fingers 54 can be molded integral with the cup 12.
Each finger 54 is flexible so that the ball 42 upon being received
in the cup 12 presses past the fingers by its own weight or inertia
and comes to the broken-line position shown in FIG. 5 with the
fingers still in contact with the surface of the ball to hold same
in axial alignment with the bore hole 20 of the barrel 10. In FIG.
3 it is seen that the fingers 54 are conical in shape. In order to
provide less resistance to rearward thrust and greater ease of
release of the ball 42 without loss of the axial orientation, the
fingers 54 are notched, as at 60 on their back sides. The notches
can be adjusted in size in relation to the body diameter of the
fingers to provide the desired degree of holding, snapback and
orienting action. The notches 60 can also be omitted. The fingers
54 are made of tough elastomer or rubber composition so as to
withstand shock and repeated flexing.
The barrel 10, defining the longitudinal bore 20, houses the
plunger rod 62 (see FIG. 6) having the handle end 64 extending from
the butt end of the barrel and the ram or buttress 66 at the muzzle
end of the barrel, which is rounded and adapted to strike the ball
and cause it to fly from the cup 12.
The tubular wall 38 of the barrel 10 has the radial inner muzzle
flange 68 defining an opening 70 at the muzzle end to receive the
buttress end 66 in freely sliding and spaced relationship. Spaced
from the buttress end there is provided the integral radial guide
flange 72 attached to the plunger 62 which has an outside diameter
slightly less than the inside diameter of the bore 20 so as to
slide freely therein.
The flange 68 provides a seat for the shockabsorber spring 74, same
being a coiled spring encompassing the ram end 66 and seated at its
other end against the forward wall of the flange 72. This spring 74
can be affixed to either the flange 68 or to the flange 72 or not
be attached to either flange, as desired.
A combination guide and indicator member 76, preferably made as a
separate part from the flange 72, extends from its top side within
and spaced from the longitudinal slot 18. This indicator member 76
and the flange 72 can be of a different color than the barrel 10 so
as to be readily visible through the plastic window 22 as a quick
reference to the position of the plunger in the barrel and to show
whether the shooter is cocked or not. The indicator member 76 can
be omitted.
The main spring 80, also a coil spring, encompasses a substantial
part of the length of the plunger rod 62 from the flange 72 to the
breech plug 82. The breech plug 82 is made as a separate part as
well as the indicator member 76 so that the plunger rod 62 and the
spring 80 can be assembled in the barrel 10. Once these parts are
in place the indicator 76 can be attached and the spring 80 held
under tension while the breech plug 82 is fitted in place. This
member can be cemented into position or held by screws affixed
through the wall of the barrel 10.
The breech plug 82 has a central bore 84 which engages the plunger
rod 62 in a close-fitting sliding engagement. The plunger rod 62 is
longer than the barrel 10 so that the handle 64 protrudes from the
breech end at all times. The space between the indicator-guide 76
and the forward or muzzle end of the slot 18 is large enough that
when the plunger butts the shockabsorber 74, it does not strike
this end of the slot.
A second guide for the plunger 62 is provided by the end cap 86,
having the flange 88 and the bore 90 slidably receiving the
plunger. This end cap 86 can be attached to the end of the panel 10
by the screw threads 92, shown, or by any other means.
The barrel 10 carries the external collar 94 about opposite the end
plug 82. The collar 94 is about the same outside diameter as the
flange 88 and these members define the end walls for the trigger
housing parts 96 and 98 (see FIG. 8) which are generally arcuate in
shape and of larger diameter than the barrel 10.
The housing members 96 and 98 are the same length and each has an
inner arcuate wall, indicated at 100 and 102 which generally
conforms in curvature with the outer surface 104 of the barrel 10;
each covering a half of the circumference of the barrel. These
parts are cemented in place or otherwise attached to the barrel. To
facilitate permanence of the trigger housing the top housing member
96 has the grooved edges 106, on each side, which engage the
tapered edges 108 of the bottom housing member 98.
The top housing member has the rectangular notch 110 opening to the
forward edge 112 and having the intermediate wall 114 thereon which
defines a rectangular depression having the end wall 116 in the top
forward edge of the housing. The wall 114 is also spaced from the
inner surface 100 of the housing member 96. The wall 114 is thinner
than the effective thickness of the wall of the housing member
96.
The wall 38 of the barrel 10 has the rectangular arcuate opening
120 therein behind and spaced from the collar 94.
The opening 120 is opposite the notch 110 defined by the edge 122
of the intermediate wall 114 when the housing member 96 is in place
on the surfaces 104 of the barrel 10 and the collar 94 abuts
against the end surfaces 112 and 113 of the trigger housing members
96 and 98.
The trigger member 124 has a block-like base 126 with the slot 128
on the back edge. The front wall 130 has the guide tip and stop
member 132 extending below the bottom wall 134 and also the tab 136
extending out longitudinally of the base 126. The collar 94 has the
arcuate slot 140 that is open to the rear having the enclosing
front wall indicated 142 (see also FIGS. 10 and 11). The coil
spring 146 is housed within the slot 140 by means of the cover
plate 148 having the arcuate slot 150 and engaged against the rear
wall 152 of the collar 94 by means of screws or the like (not
illustrated) that would engage through the holes 154 in the cover
plate. The spring 146 is thus completely housed within the slot
140.
The trigger member 124 is installed by engaging the slot 128 over
the web wall 114. This brings the front wall 130 in the plane of
the edges 112 and 113 and the top and bottom depressions over the
wall 114 are filled. The surfaces of the block 126 can be curved so
that when the trigger member 124 is assembled it conforms with the
exterior and interior wall curvature of the trigger housing 96.
The trigger has the spring-loaded sear 156 with the shank 158
extending into the bore hole 160 of the base 126. The spring 162
biases the sear 156 downwardly in the direction of the arrow 164.
The sear extends into the slot 128 just behind the stop member 122
which impinges against the front edge 166 of the slot in sliding
rotational relationship. In this position the tab 136 extends into
the arcuate slot 140 and the trigger assembly 96-98 and 124 which
is rotatably carried on the surface or breech 104 of the barrel 10
is biased by the spring 146 so that the sear is upright and is
biased into the spaced notches 170 with its flat back side 172
afainst the straight edge 174 of a notch. The leading surface 176
of the sear 156 is leveled so as to cam against the sloped surfaces
178 of the notches 170.
The plunger rod 62 is slightly out of round to present a narrow
plate 180 at the top of each notch. The assembly includes a hand
grip 182 which encompasses the trigger members 96-98. This hand
grip will be notched at 184 to encompass the raised edge of the
trigger 124. Accordingly, as the plunger 67 is pulled back by the
handle 64, the sear 156 will drop into each notch 170 in succession
and the indicator 76 will come into registry with the members 1-6,
indicating the number of notches of pull. The trigger then assumes
the position shown in FIG. 10. Then by turning the grip 182,
between the flange 94 and the end flange 88, the sear is rotated
off-center as shown in FIG. 11, against the trigger spring 146, and
the cam 62 is released.
Referring to FIG. 7, the grip 16 has the cavity 190 with the fore
and aft undercut positions 192 and 194 to accommodate the pendulum
196, having the weight 198, and pivoted on the pin 200, that
extends transverse the grip 16. The top part of the cavity 190 has
the off-set periphery 202 to receive the edge of the transparent
arched cover member 204. The top surface 206 of the pendulum is
rounded circumferentially with the axle 200 and bears the raised
indicia 208 to show the relationship of the longitudinal axes of
the barrel 10 with the horizontal.
Since the ball shooter is held in the two hands at about waist
level, the angle of the shooter's eye to the indicia 208 will be
less than vertical. Accordingly, the registry of a particular
indicia 208a on the back sides of the pendulum with the back edge
of the cover 204 can represent the level position of the shooter.
As the breech end is lowered the next indicia 208b will come into
view and tell the shooter the angle of the shot. The indicia 208
can be color-coded and a reference line can be provided on the
cover 204 or only a part of it made transparent to establish a line
of sight to the indicia. The weight 198 is held by any means such
as the screw 210 that is embedded between these parts. Other means
for fastening the weight 198 can be used.
The pendulum 196 can be mounted on the barrel and the forearm 16
omitted. Also the pendulum can be elevated so that it registers
from the side rather than the top, more in line with the shooter's
line of sight along the barrel.
The operation of the ball shooter is quite simple. The plunger rod
62 is pulled against the spring 80 by means of the handle 64 as the
barrel is gripped by the forearm 16. The sear 156 engages one of
the notches 170 in the plunger rod and holds it in cocked position.
The ball 42 is inserted against the radial fingers 54 as shown in
FIG. 5. The barrel is aimed at the desired elevation indicated by
the pendulum 196 and the trigger assembly 14 is twisted. This
disengages the sear to the position shown in FIG. 11 and the
plunger drives the ball from the cup 12.
The ball shooter can be used with stationary or moving targets. The
target can be vertical of horizontal. In the latter case the ball
shooter can be used like a morter. A game like skeet can be played
wherein one player shoots the ball across a path in front of other
shooters who then fire their ball shooters at the flying
projectile. Particular dexterity is required to catch the ball in
the cup 12. However, the fingers 54 aid in retaining the ball
therein once it strikes the inner part of the cup.
In this latter connection the size of the ball 42 in relation to
the cup 12 can be varied so that the fingers 54 hold the ball in
the cup in two different ways. One embodiment is illustrated in
FIG. 5 wherein the diameter of the ball in relation to the length
and resiliency of the fingers 54 is such that it is held in spaced
relationship within the cup as it is struck by the rounded tip 66
of the plunger moving in the direction of the arrow. The ball can
be smaller than that shown so that it can pass entirely through the
fingers 54 and rest in the cup with the fingers 54 returning to the
normal radial un-biased position behind the ball. Also the distance
between the fingers and the base of the cup (muzzle of the barrel)
can be varied to accomplish this result with a large ball. The
inner wall of the cup can be shaped so as to center the ball before
the muzzle in cooperation with the fingers 54. It is apparent that
if the ball is off-center, axial flight therefrom would be
disrupted although such erratic initial path of flight may be an
advantage for some shooters.
In place of the pendulum 196 any gravity actuated indicator can be
used to show the longitudinal angular elevation of the tubular
barrel of the shooter. Thus, a spirit level or an arched tube with
a glob or mercury can be used. Also, the catch means along the
plunger rod have been indicated as notches. Instead of this
construction spaced protuberances can be used. The trigger assembly
need only comprise a radial reciprocatable detent member or a
circumferentially movable detent member with means to selectively
engage the detent member with means to selectively engage the
detent in the catch means at the desired compression force on the
plunger rod. This is determined by the amount of pulling force
placed on the handle 64. The shaft 158 of the detent 156 is splined
or otherwise prevented from rotating.
Instead of biasing the trigger to the locked or cocked position
this assembly can be reversed so that the trigger must be held from
rotating and released to shoot the projectile. The shaft 158 of the
detent 156 is prevented from rotating by attaching the spring 162
between the inner surface of the barrel and the top of the detent
head 156. This shaft can also be splined in the bore hole 160.
Instead of using the guide tab 76 to prevent the plunger rod 62
from turning the bores 70, 84 and 90 in which it is mounted can be
shaped to conform with the shafts oval configuration or a spline
can be used in any one or more of these guide bores.
* * * * *