U.S. patent number 3,713,184 [Application Number 05/183,518] was granted by the patent office on 1973-01-30 for mop with interchangeable heads.
Invention is credited to Ragnvald G. Leland.
United States Patent |
3,713,184 |
Leland |
January 30, 1973 |
MOP WITH INTERCHANGEABLE HEADS
Abstract
A mop with interchangeable heads in which in the preferred form
of the invention a mop head is provided which includes a generally
flat plate having channels formed along the opposite side edges
thereof. A cylindrical socket member is secured to the plate for
receiving a generally L-shaped handle connector. A spring clamp
engages in the channels and has a central portion for removably
retaining the L-shaped handle member in the cylindrical socket. The
spring member is movable to permit the handle member to be removed
from the socket so it may be attached to a different mop head. The
mop is secured to the mop head by means of a resilient bar having
an elongate hook on one end for engaging over the end of the plate
and a short snap hook on the other end for engaging over the other
end of the plate. The L-shaped handle member has one end inserted
in a recess in the handle and is retained therein by a slip
ring.
Inventors: |
Leland; Ragnvald G. (Lomita,
CA) |
Family
ID: |
22673140 |
Appl.
No.: |
05/183,518 |
Filed: |
September 24, 1971 |
Current U.S.
Class: |
15/229.6; 15/145;
15/229.8; 403/96; 15/144.1; 15/150; 401/207 |
Current CPC
Class: |
A47L
13/255 (20130101); Y10T 403/32361 (20150115) |
Current International
Class: |
A47L
13/255 (20060101); A47L 13/20 (20060101); A47l
013/252 (); A47l 013/255 (); B25g 003/38 () |
Field of
Search: |
;15/144R,144B,145,147A,228,229B,229BC,229BP,231,232,244A
;306/2,3,6,12,19,28,31 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Blum; Daniel
Claims
What is claimed is:
1. A mop comprising a handle, a handle member detachably secured to
the lower end of said handle and including a right angularly
extending shaft, a mop head, a pair of channel members secured to
said head in opposed parallel relation, a socket member rigidly
secured to said head for receiving said shaft, means engageable in
said channels for releasably retaining said shaft in said socket
member, a mop element, and resilient means for detachably securing
said mop element to said head.
2. A device as claimed in claim 1, wherein the means for retaining
said shaft in said socket member is slidably mounted in said
channels and a plurality of recesses along the edges of said
channels releasably retain said means in adjusted position.
3. A device as claimed in claim 1, wherein the resilient means for
detachably securing the mop element to the head includes an
elongate member having a reverted hook on one end thereof and means
on the other end thereof for resiliently detachably engaging the
opposite end of said head.
4. A device as claimed in claim 3, wherein said resilient retaining
member is formed of a generally flat bar having a reverted hook on
one end and an upstanding flange on the opposite end carrying an
inturned detent on its upper edge.
5. A device as claimed in claim 3, wherein said resilient retaining
member is formed of a rod having a reverted hook on one end for
engaging one end of said head and a plurality of teeth on an
upstanding portion integrally formed on the opposite end for
detachably and adjustably engaging the opposite end of said
head.
6. In a mop head of the type described in claim 1, a tubular member
secured to said mop element and forming a part thereof, an
expanding spring member engageable in said tubular element to
provide a degree of stiffness thereto, and the means securing said
mop element to said head extends through a pair of apertures formed
in said tubular element.
7. A device as claimed in claim 1, wherein the retainer engaged in
said channel members for retaining said shaft in said socket member
includes a notch positioned to engage said handle element to retain
said handle element in said socket against pivotal motion therein.
Description
BACKGROUND OF THE INVENTION
Field of the Invention
The present invention relates to interchangeable mops.
SUMMARY OF THE INVENTION
The present invention is directed to interchangeable heads and
handles for mops in which the handle has a generally L-shaped
handle member extending from the bottom end thereof for engaging in
a cylindrical socket mounted on a plate with the plate constituting
the mop head. Channels extend on opposite side edges of the plate
to receive a spring clamp with the spring clamp serving to secure
the L-shaped member in the cylindrical socket. In a modified form
of the invention, the spring clamp has an upwardly offset portion
to permit the L-shaped rod to be inserted without removing the
spring clamp. In another modified form of the invention, the spring
clamp is formed of flat material having a notch to secure the
L-shaped member in a single pivoted position with respect to the
plate. One of the mops used with the head has a relatively large
body formed of flexible material as a flat tube and an expansion
spring is inserted therein to stiffen the tube. The tube is clamped
to the head by means of an elongate clamp rod or bar having an
elongate hook on one end and a snap hook on the other.
The primary object of the invention is to provide a mop having
readily interchangeable handles and heads.
Other objects and advantages will become apparent in the following
specification when considered in light of the attached
drawings.
FIG. 1 is a perspective view of the invention;
FIG. 2 is a vertical sectional view taken along the line 2--2 of
FIG. 1, looking in the direction of the arrows;
FIG. 3 is an enlarged fragmentary transverse sectional view taken
along the line 3--3 of FIG. 2, looking in the direction of the
arrows;
FIG. 4 is a perspective view of the clamp spring removed from the
head;
FIG. 5 is an exploded side elevation of the handle and handle
member illustrating their attachment;
FIG. 6 is a front elevation of the structure illustrated in FIG. 5,
with the retaining ring in retaining position;
FIG. 7 is a perspective view of the mop retainer shown removed from
the mop;
FIG. 8 is a perspective view of a modified form of the
invention;
FIG. 9 is a top plan view of the structure illustrated in FIG.
8;
FIG. 10 is an exploded perspective view of another modified form of
the invention;
FIG. 11 is an assembled perspective view of the structure
illustrated in FIG. 10, with the handle attached;
FIG. 12 is a top plan view of the expansion spring;
FIG. 13 is an enlarged fragmentary transverse sectional view taken
along the line 13--13 of FIG. 11, looking in the direction of the
arrows;
FIG. 14 is an enlarged fragmentary vertical sectional view taken
along the line 14--14 of FIG. 11, looking in the direction of the
arrows;
FIG. 15 is a fragmentary perspective view of another modified form
of the invention;
FIG. 16 is a perspective view of the clamp spring shown removed
from the head;
FIG. 17 is a transverse cross-section taken along the line 17--17
of FIG. 15, looking in the direction of the arrows; and
FIG. 18 is a view similar to FIG. 15 with the clamping springs
reversed.
Referring now to the drawings in detail wherein like reference
characters indicate like parts throughout the several figures, the
reference numeral 20 indicates generally a mop constructed in
accordance with the invention.
The mop 20 includes an elongate wooden handle 21 having a slot 22
opening through its lower end and intersecting a bore 23 at its
inner end. A retainer ring 24 is slidably mounted on the handle 21.
A handle member of generally L-shape, as viewed in FIG. 6, is
illustrated generally at 25. The handle member 25 is formed of a
rod and has a relatively straight upper portion 26 terminating in a
right angular offset stub 27. The stub 27 is adapted to be received
in the bore 23 and the upper portion 26 is adapted to be received
in the groove 22 so that the retainer ring 24 can be slid thereover
to the position illustrated in FIG. 6 to make the handle member 25
rigid with the handle 21. The upper portion 26 has an angularly
extending lower portion 28 integrally formed on the lower end
thereof and terminating in a shaft 29 extending right angularly to
the lower portion 28.
A head generally indicated at 30 includes a generally rectangular
flat plate 31 having an upturned arcuate longitudinal channel 32
formed along at its rear edge and a similar channel 33 formed along
its front edge. A generally cylindrical socket member 34 is
integrally formed on a flat plate 35 secured to the plate 31 by
rivets 36. The socket member 34 is open at both ends and is adapted
to have the shaft 29 received therein for pivotal movement about
the axis of the shaft 29.
A spring retainer generally indicated at 37 includes a pair of
elongate arms 38, 39 which are adapted to engage in the channels
32, 33, respectively. A spring coil 40 integrally extends from one
end of the arms 38, 39 and is arranged perpendicularly thereto. The
spring coil 40 is adapted to engage the lower portion 28 of the
handle member 25 to releasably secure the shaft 29 in the socket
member 34. The channel members 32, 33 are provided with a plurality
of recesses 41 formed in the free edges thereof to maintain the
spring retainer 37 in a position securing the handle member 25 in
the socket member 34 or spaced therefrom in a released
position.
A mop element 42 is positioned against the underside of the head 30
and is secured thereto by a resilient retainer indicated generally
at 43. The resilient retainer 43 includes an elongate flat bar 44
having a reverted hook 45 pivotally formed on one end thereof. A
flange 46 is threadedly formed on the opposite end of the bar 44
and has an inwardly extending detent 47 integrally formed thereon.
The detent 47 is adapted to snap over the end of the flat plate 31
after the hook 45 has been engaged over the other end thereof to
clamp the mop element 42 to the plate 31. The mop element 42 may be
for any mopping purpose desired.
In FIGS. 8 and 9, a modified form of mop head is indicated
generally at 30'. The mop head 30' includes a generally flat plate
31' having an arcuate upstanding channel 32' integrally formed
along its rear longitudinal edge and a similar channel 33' formed
along its forward longitudinal edge.
A generally cylindrical socket member 34' is integrally formed on a
flat plate 35' which is secured to the plate 31' by rivets 36'. The
spring retainer 37' has a pair of elongate arms 38', 39' which
extend in generally parallel relation and are connected by an
upstanding spring member 40'. The arm 38' has an inwardly extending
partially reverted portion 41' rigidly secured to the end thereof
opposite the spring member 40'.
The spring member 40' has one straight arm 42' and one dog leg arm
43' to permit the shaft 29 of the handle member 25 to be slipped
thereunder when engaging it in the socket member 34', as
illustrated in FIG. 9. The spring retainer member 40' will then
engage the lower portion 28 as in the preferred form of the
invention.
Referring now to FIGS. 10 through 14, a mop is indicated generally
at 50. The mop 50 includes an elongate wooden handle 21 having a
handle member indicated generally at 25 secured to the lower end
thereof by a ring 24. The handle 21 and the handle member 25,
illustrated in FIGS. 10 through 14, is identical to that
illustrated in FIGS. 1 through 7. A head 30, identical to the head
30 of FIGS. 1 through 4, has a socket 34 forming a part
thereof.
A relatively large mop element 51 is secured to a generally
rectangular flat tubular member 52 which is open at 53 at one end
thereof. An expansion spring member, indicated generally at 54, has
a pair of spaced apart arms 55, 56 connected by a spring coil 57.
The arm 55 has a partially reverted offset portion 58 integrally
secured to the end thereof opposite the coil 57. The spring member
54 has the arms 55, 56 drawn together to the position illustrated
in FIG. 10 and is inserted into the opening 53 of the tubular
element 52 to provide a degree of stiffness to the tubular member
52.
A pair of openings 59, 60 are formed downwardly through the tubular
element 52 for reasons to be assigned.
A resilient retainer, generally indicated at 61, has an elongate
cylindrical bar 62 reverted at one end to form a hook 63 and having
an upstanding stub 64 integrally formed on the opposite end
thereof. Teeth 65 are formed on the side of the stub 64 adjacent
the hook 63. The spring retainer 61 is adapted to have the hook 63
engaged upwardly through the opening 59 in the tubular member 52
and then engaged over the end of the head 30. The stub 64 is
engaged up through the opening 60 in the tubular member 52 and
snaps over the opposite end of the head 30. The hooks 65, of which
there are two, permit varying thicknesses of mops 51 to be
used.
In FIGS. 15 and 16, a modified mop head is indicated generally at
130. The mop head 130 includes a generally flat elongate plate 131
having channels 132, 133 integrally formed on opposite longitudinal
edges thereof. A socket member 134 is integrally mounted on a plate
135 secured to the plate 131 by rivets 136. An arched spring
retainer is indicated generally at 137, is arcuate in form, and has
flanges 138, 139 integrally formed on the opposite side edges
thereof. A notch 140 is formed in the edge of the spring retainer
137 extending toward the socket member 134. The spring retainer 137
is adapted to engage and secure the handle member 125 in the socket
134. The handle member 125 engages in the notch 140 to prevent the
handle member 125 from pivoting in the socket member 134.
Flange 138 has an upstanding finger 141 integrally formed therein
and adapted to engage in a notch 142 formed in the channel 132, as
can be seen in FIG. 18. The spring retainer 137 is adapted to be
reversed on the plate 131 with the finger 141 then engaging in the
notch 143 in the channel 133. In the reversed position of the
retainer 137 the handle member 125 is retained in the socket 134
but is permitted to pivot therein. A mop 42 is secured to the head
130 by a resilient retainer indicated generally at 43 in the same
manner as in the structure illustrated in FIG. 1.
Having thus described the preferred embodiments of the invention,
it should be understood that numerous structural modifications and
adaptations may be resorted to without departing from the spirit of
the invention.
* * * * *