U.S. patent application number 10/944722 was filed with the patent office on 2006-03-23 for automatic paint ball gun.
Invention is credited to Bao Shyan Lai.
Application Number | 20060060178 10/944722 |
Document ID | / |
Family ID | 36072597 |
Filed Date | 2006-03-23 |
United States Patent
Application |
20060060178 |
Kind Code |
A1 |
Lai; Bao Shyan |
March 23, 2006 |
Automatic paint ball gun
Abstract
A paint ball gun has a gun body and a trigger assembly therein.
The gun body has a first chamber, a second chamber and a tunnel
between the first and the second chambers. A rod, a percussion
member and a shaft are provided in the first chamber, the second
chamber and the tunnel respectively. A rear block connects the rod
and the percussion member. A valve is provided in the first chamber
and activated by the rod. A controller is provided in the gun body,
has a guiding channel to be manipulative for communication the
first chamber and the tunnel and an exhausting channel to be
manipulative for communication with the tunnel. The trigger
assembly is manipulative to issue the gas in the first chamber to
the second chamber for movement the shaft and to exhaust the gas in
the tunnel after moving the shaft out.
Inventors: |
Lai; Bao Shyan; (Taichung
City, TW) |
Correspondence
Address: |
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE-SUITE 101
ELLICOTT CITY
MD
21043
US
|
Family ID: |
36072597 |
Appl. No.: |
10/944722 |
Filed: |
September 21, 2004 |
Current U.S.
Class: |
124/74 |
Current CPC
Class: |
F41B 11/721
20130101 |
Class at
Publication: |
124/074 |
International
Class: |
F41B 11/00 20060101
F41B011/00 |
Claims
1. A paint ball gun, comprising: a gun body with a handle and a
trigger assembly installed in the handle, wherein the gun body has
a first chamber, a second chamber and a tunnel between the first
chamber and the second chamber and a rod is provided in the first
chamber, a percussion member is provided in the second chamber and
a shaft is provided in the tunnel; a rear block connecting the rod
and the percussion member; a valve provided in the first chamber
and activated by the rod to issue gas into the second chamber; a
controller provided in the gun body associated with the first
chamber and the tunnel, wherein the controller has a guiding
channel to be manipulative for communication the first chamber and
the tunnel and an exhausting channel to be manipulative for
communication with the tunnel, whereby the trigger assembly is
manipulative to issue the gas in the first chamber to the second
chamber for movement the shaft and to exhaust the gas in the tunnel
after moving the shaft out.
2. The paint ball gun as defined in claim 1, wherein the first
chamber is parallel to the second chamber and an aperture is
provided to communicate the first chamber, the second chamber and
the valve is mounted at where adjacent to the aperture, the rod and
the percussion member are located at ends of the first chamber and
the second chamber and are bonded to the rear block, a barrel is
connected to an end of the second chamber, an inlet portion is
provided and communicated with an end of the first chamber, the
tunnel is parallel to the first chamber and the second chamber, the
shaft in the tunnel has an end extruded out of the tunnel and
bonded to the rear block, a spring is received in the tunnel and is
fitted to the shaft, the controller is located at between the valve
in the first chamber and the inlet portion and adjacent to the
trigger assembly in the handle and the trigger assembly has a
trigger and a tenon connected to the trigger.
3. The paint ball gun as defined in claim 2, wherein the controller
has a housing installed in the gun body and a chamber in the
housing, the housing has a first bore associated with the first
chamber, a second bore associated with the tunnel and a guiding
block is received in the chamber of the controller for movement,
which has the guiding channel therein and the exhausting channel on
a circumference thereof, wherein the exhausting channel is
communicated with the second bore in a normal condition.
4. The paint ball gun as defined in claim 3, wherein the guiding
block is connected to the trigger assembly via a linkage, so that
the guiding is driven for movement by the activation of the trigger
assembly.
5. The paint ball gun as defined in claim 2, wherein the controller
has a housing installed in the gun body and a chamber in the
housing, the housing has a first bore associated with the first
chamber, a second bore associated with the tunnel and a first
guiding block and a second guiding block are received in the
chamber of the controller, wherein the first guiding block is
attached on the second guiding block and is rotary, the guiding
channel has a first section in the first guiding block and a second
section in the second guiding block and the first section and the
second section of the guiding channel are communicated with the
first bore and the second bore respectively and the first guiding
block has the exhausting channel, whereby the first guiding block
is rotated to communicate the first section and the second section
of the guiding channel or not.
6. The paint ball gun as defined in claim 5, wherein an axle runs
through the second guiding block and bonds to the first guiding
block and the trigger assembly is connected to the axle to drive it
rotating and to drive the first guiding block rotating.
Description
BACKGROUND OF THE INVENTION
[0001] 1. Field of the Invention
[0002] The present invention relates generally to a paint ball gun,
and more particularly to a paint ball gun, which the percussion
member is reciprocated repeatedly and automatically.
[0003] 2. Description of the Related Art
[0004] FIG. 11 shows a conventional paint ball gun, which has a gun
body 6 and a stock 7. The gun body 6 has a rod 61 and a percussion
member 62 to shoot paint balls, which are moved by a rear block 63.
A barrel 65 is provided at a front of the gun body 6, which is
connected to a chamber installed with the percussion member 62. A
pump 64 is mounted beside the barrel 65, which has a piston 641 and
a shaft 642 therein. The shaft 642 is connected to the rear block
63 to drive it for movement. The stock 7 has a trigger 71 and a
three-position valve 72. The trigger 71 is pulled to activate the
valve 72 and the valve 72 provides gas to the pump 64 via a hose 66
to move the piston 641. The piston 641 moves the percussion member
62 via the shaft 642, the rear block 63 and the rod 61 to feed the
paint ball for shooting.
[0005] The gun shoots the paint balls by high-pressure gas and some
of the gas flows into the pump 64 to move the piston 641. To
prevent the high-pressure gas from breaking the hose 66, a pressure
adjuster 8 is provided to reduce the pressure. The pressure
adjuster 8 increases the cost of the paint ball gun and a front
block 67 is provided to mount the pressure adjuster 8, the valve 72
and the pump 64 on the gun, which increases the cost again.
[0006] The pump 64, the piston 641, the shaft 642 and the pressure
adjuster 8 are exposed out of the gun without any shield for
protection, they might be impacted unexpectedly. While the pump 64,
the piston 641 or the shaft 642 is impacted and deformed, they
cannot work normally anymore.
SUMMARY OF THE INVENTION
[0007] The primary objective of the present invention is to provide
a paint ball gun, which is provided with a controller to control
the gas issuing into the chamber to move the shaft for
reciprocation of the percussion member automatically. The paint
ball gun of the present invention has no the pressure adjuster, the
front block and the hose that decrease the cost of the gun.
[0008] The secondary objective of the present invention is to
provide a paint ball gun, which the controller is received in the
gun. The shell of the gun shields the controller to prevent it from
being impacted and deformed. The paint ball gun functions normally
even when the shooter carrying the gun for a heavy excise.
[0009] According to the objectives of the present invention, a
paint ball gun comprises a gun body with a handle and a trigger
assembly installed in the handle. The gun body has a first chamber,
a second chamber and a tunnel between the first chamber and the
second chamber. A rod is provided in the first chamber, a
percussion member is provided in the second chamber and a shaft is
provided in the tunnel. A rear block connects the rod and the
percussion member. A valve is provided in the first chamber and
activated by the rod to issue gas into the second chamber. A
controller is provided in the gun body associated with the first
chamber and the tunnel. The controller has a guiding channel to be
manipulative for communication the first chamber and the tunnel and
an exhausting channel to be manipulative for communication with the
tunnel. The trigger assembly is manipulative to issue the gas in
the first chamber to the second chamber for movement the shaft and
to exhaust the gas in the tunnel after moving the shaft out.
BRIEF DESCRIPTION OF THE DRAWINGS
[0010] FIG. 1 is a sectional view of a first preferred embodiment
of the present invention;
[0011] FIG. 2 is an exploded view of the controller of the first
preferred embodiment of the present invention;
[0012] FIG. 3 is a sectional view of the first preferred embodiment
of the present invention, showing the action of how the
high-pressure gas moves the shaft;
[0013] FIG. 4 is a sectional view of the first preferred embodiment
of the present invention, showing the guiding block returning for
exhaustion of the gas;
[0014] FIG. 5 a sectional view of the first preferred embodiment of
the present invention, showing the action of the rod;
[0015] FIG. 6 a sectional view of a second preferred embodiment of
the present invention;
[0016] FIG. 7 is an exploded view of the controller of the second
preferred embodiment of the present invention;
[0017] FIG. 8 is a sectional view of the second preferred
embodiment of the present invention, showing the movement of the
guiding block to let the high-pressure gas moving the shaft via the
first section and the second section of the guiding block;
[0018] FIG. 9 is a sectional view of the second preferred
embodiment of the present invention, showing the return of the
guiding block to exhaust gas;
[0019] FIG. 10 is a sectional view of the second preferred
embodiment of the present invention, showing the action of the rod,
and
[0020] FIG. 11 is perspective view of the conventional paint ball
gun.
DETAILED DESCRIPTION OF THE INVENTION
[0021] As shown in FIGS. from FIG. 1 to FIG. 5, a paint ball gun of
the first preferred embodiment of the present invention has a gun
body 1, which has a handle 17 and a trigger assembly 18 in the
handle 17. The gun body 1 has a first chamber 11 and a second
chamber 12 therein, wherein a rod 21 is mounted in the first
chamber 11 and a percussion device 2 is mounted in the second
chamber 12. A rear block 22 is provided in the gun body 1 to
connect the percussion device 2 and the rod 21 and a shaft 23 is
connected to the rear block 22 to move it. A valve 24 is mounted in
the first chamber 11 activated by the rod 21 to issue gas into the
second chamber 12. A controller 3 is mounted in the gun body
associated with the first chamber 11 and the shaft 23. The
controller 3 has a first channel, which issue gas to the shaft 23
from the first chamber 11, and a second channel, which exhaust the
gas out of the gun body 1. The controller 3 is activated by the
trigger assembly 18 for switch of the first channel and the second
channel and to reciprocate the percussion member 2 repeatedly.
[0022] In the first preferred embodiment of the present invention,
the first and the second chambers 11 and 12 are arranged in
parallel in the gun body 1 and an aperture 13 is provided to
connect the first and the second chambers 11 and 12. The valve 24
is mounted at between the first chamber 11 and the aperture 13. The
rod 21 and the percussion device 2 are mounted in left ends
(referring to FIG. 1) of the first and the second chambers 11 and
12 respectively and are bonded to the rear block 22. A barrel 14 is
secured to the gun body 1 and is communicated with the second
chamber 12. An inlet portion 15 is mounted at a front of the gun
body 1 and connected to the first chamber 11. The gun body 1
further has a tunnel 16 between the first and the second chambers
11 and 12, in which the shaft 23 is received and is connected to
the rear block 22. A spring 231 is received in the tunnel 16 and
fitted to the shaft 23. The controller 3 is mounted at between the
valve 24 and the inlet portion 15 and beside the trigger assembly
18 of the handle 17. The trigger assembly 18 has a trigger 181 and
a tenon 182 connected to the trigger 181.
[0023] The controller 3 has a housing 31 and a chamber 311 in the
housing 31. The housing 311 has two first bores 312 communicating
the chamber 311 with the first chamber 11 and two second bores 313
communicating the tunnel 16. A guiding block 32 is received in the
chamber 311 of the controller 3 for movement. The guiding block 32
has a guiding channel 321 therein and an annular exhausting channel
323 on a circumference thereof. The exhausting channel 323 is
communicated with the second bores 313 of the housing 31 at a
normal condition. A linkage 33 connects the guiding block 32 and
the trigger 181 of the trigger assembly 18, so that the guiding
block 32 moved by pulling of the trigger 181.
[0024] As shown in FIG. 3 to FIG. 5, while the trigger 181 of the
trigger assembly 18 is pulled, it moves the guiding block 32
downward via the linkage 33 and the guiding channel 321 has ends
communicated with the first bores 312 and the second bore 313 of
the housing 311 respectively. High-pressure gas is issued into the
first chamber 11 from the inlet portion 15 and flows to the tunnel
16 via the guiding channel 321 to move the shaft 23 and the rear
block 22 backward. Now, the pain ball can run into the second
chamber 12 and the rod 21 is locked to the tenon 182 of the trigger
assembly 18 to be ready for shooting. In the meantime, the guiding
block 32 is moved upward and the guiding channel 321 is not
communicated with the first bores 312 and the second bore 313 of
the housing 311 anymore to stop issuing the high-pressure gas. The
exhausting channel 323 of the guiding block 32 now is communicated
with the second bores 313 of the housing 311 to exhaust the gas in
the tunnel 16 while the shaft 23 is moved back by the spring 231.
Now, the trigger assembly 18 is pulled again to release the rod 21
and the rod 21 moves forward to activate the valve 24, so that the
gas in the first chamber 11 is issued into the second chamber 12
via the aperture 13 for shooting the pain ball. In the meantime,
the guiding block 32 is moved downward to communicate the guiding
channel 321 with the first bores 312 and the second bore 313 again
and to issue the gas into the tunnel 16, so that the shaft 23 and
the rear block 22 are moved backward again for the next time of
shooting.
[0025] FIG. 6 to FIG. 10 show a paint ball gun of the second
preferred embodiment of the present invention, which is similar to
the paint ball gun of the first preferred embodiment, except that a
controller 4 has a housing 41 and a chamber 411 in the housing 41.
A first guiding block 42 and a second guiding block 43 are received
in the chamber 411. The first guiding block 42 is associated with
the tunnel 16 and is manipulative for rotation. The second guiding
block 43 is associated with the tunnel 16 and is fixed in the
chamber 411. The first guiding block 42 is attached on the second
guiding block 43 via contacting surfaces 421 and 431. An axle 44
runs through the second guiding block 43 and is secured to the
first guiding block 42. The axle 44 is driven by the trigger
assembly 18 for rotation to rotate the first guiding block 42. The
controller has a guiding channel with a first section 422 in the
first guiding block 42 and a second section 432 in the second
guiding block 43. The first section 422 and the second section 432
of the guiding channel are open at the contacting surfaces 421 and
431 of the first and second guiding blocks 42 and 43 respectively
and are communicated with a first bore 412 and a second bore 413 of
the housing 411. The first guiding block 42 has an exhausting
channel 423 beside the first section 422.
[0026] As shown in FIG. 8 to FIG. 10, while the trigger assembly is
pulled, the trigger 181 of the trigger assembly 18 rotates the axle
44 and the first guiding block 42 to align the first section 422 of
the guiding channel to the second section 432 of the second block
43 and to a second bore 413 of the housing 41. High-pressure gas
issued to the first chamber 11 from the inlet portion 15 flows to
the tunnel 16 via the first second 422 and the second section 432
of the guiding channel to move the shaft 23 and the rear block 22
backward. In the meantime, the percussion member 2 and the rod 21
are moved backward to fee the pain ball to the second chamber 12.
The rod 21 is engaged with the tenon 182 of the trigger assembly to
be ready for shooting. The first guiding block 42 is turned
reversely to make the first section 422 of the first guiding block
42 no longer aligned with the second bore 413 of the housing 41 and
the second section 432 of the second guiding block 43 and the
exhausting channel 423 of the first guiding block 42 is aligned
with the second bore 413 of the housing, so that the high-pressure
gas is stopped by the first guiding block 42 and the gas in the
tunnel 16 is exhausted out of the housing 41 via the second bore
314 while the shaft 23 returns by the spring 231. Now, the trigger
assembly 18 can be pulled again to release the rod 21 to let it
moves forward and activate the valve 24. And then, the gas in the
first chamber 11 is issued to the second chamber 12 via the
aperture 13 to shoot the pain ball in the second chamber 12. In the
meantime, the first guiding block 42 is rotated reversely to issue
the gas into the tunnel 16 and move the shaft 23 and the rear block
22 backward again.
[0027] The present invention provides the controller in the housing
associated with the first chamber and the shaft to control the gas
in the first chamber to move the shaft and to reciprocate the
percussion member automatically. The paint ball gun is provided
with no the hose, the pressure controller and the front block as
the conventional paint ball gun has. It reduces the cost of
manufacture and increases the competition in the present
market.
[0028] The controller is installed in the housing to be protected
thereby. In the action of shooting, the controller is not easy to
be impacted that makes sure the paint ball gun having a correct
function of shooting and elongates the product's life.
* * * * *