US3737935A

US3737935A - Collapsible mop head

Info

Publication number: US3737935A
Application number: US00155693A
Authority: US
Inventors: J Saltzstein
Original assignee: American Uniform Co
Current assignee: DUST-TEX Corp; SECO INDUSTRIES Inc AN OH CORP; American Uniform Co
Priority date: 1971-06-23
Filing date: 1971-06-23
Publication date: 1973-06-12
Anticipated expiration: 1990-06-12

Abstract

A collapsible mop head for use with a mop swab having two mounting pockets therein, wherein the mop head includes two wings pivotally and longitudinally shiftably interconnected for movement between an extended operative position and a folded position, a keeper fixedly mounted on one of the wings and a latch fixedly mounted on the other of the wings, the latch and the keeper being shiftable longitudinally with the wings between a locking position holding the wings in the operative position thereof and a release position permitting pivotal movement of the wings with respect to each other to the folded position, resilient means interconnecting the wings and continually urging the wings into position wherein the latch is in position to engage the keeper, and a handle mounting structure on at least one of the wings.

Description

United States Patent 11 1 Saltzstein June I2, 1973 [73'] Assigneec' American Uniform Company, Cleveland, Tenn.

221 Filed: June 23, 1971 21 Appl. No.: 155,693

[52] US. Cl 15/147 A [51] Int. Cl A47l 13/253 Field of Search 15/116 A, 119 A,

15/120 R, 147 R, 147 A, 149, 228, 229 AP, 229 HP, 233

[56] v References Cited UNITED STATES PATENTS 3,447,182 6/1969 Shinagawa 15/147 A 2,804,638 9/1957 Vosbikian et al.... 15/229 BP x 2,947,0l4 8/1960 OConnor et al. IS/l 19 A 3,005,220 l0/l96l McPherson 151147 A 3,458,886 .8/1969 1 Gpettel 15/147 R v 3,082,456 3/1963 Short l5/l47 A FOREIGN PATENTS OR APPLICATIONS 757,299 4/1967 Canada 15/229 BP Primary Examiner-Daniel Blum Attorney-Curtis F. Prangley, Mark H. Clayton and David A. Vogel et al.

[57] ABSTRACT A collapsible mop head for use with a mop swab having two mounting pockets therein, wherein the mop head includes two wings pivotally and longitudinally shiftably interconnected for movement between an extended operative position and a folded position, a keeper fixedly mounted on one of the wings and a latch fixedly mounted on the other of the wings, the latch and the keeper being shiftable longitudinally with the wings between a locking position holding the wings in the operative position thereof and a release position permitting pivotal movement of the wings with respect to each other to the folded position, resilient means interconnecting the wings and continually urging the wings into position wherein the latch is in position to engage the keeper, and a handle mounting structure on at least one of the wings.

14 Claims, 6 Drawing Figures.

PATENTEU JUN 1 2mm SHEET 2 1F 2 COLLAPSIBLE MOP HEAD This invention is directed to a collapsible mop head for use with a mop swab, and particularly to a collapsible mop head in which the two wings thereof are pivotally and shiftably interconnected.

It is an important object of the present invention to provide a collapsible mop head for use with a mop swab having two mounting pockets therein, the mop head comprising two wings pivotally and shiftably interconnected for movement between an extended operative position wherein the wings can be disposed in the pockets of the associated mop swab and a folded position permitting ready removal of the wings from the pockets of an associated mop swab, a keeper fixedly mounted on one of said wings and a latch fixedly mounted on the other of said wings, the latch and the keeper being shiftable with the wings between a locking position holding the wings in the operative position thereof and a release position permitting pivotal movement of the wings with respect to each other to the folded position, resilient means interconnecting the wings and continually urging said wings into position wherein the latch is in position to engage the keeper, and a handle mounting structure on at least one of the wings.

Another object of the present invention is to provide a collapsible mop head of the type set forth in which the keeper. has a camming surface thereon and the latch has a camming surface thereon so as to provide easy movement of the wings from the folded position thereof to the extended operative position thereof.

A further object of the present invention is to provide a collapsible mop head of the type set forth in which each of the wings is U-shaped and stop means are provided on the wings cooperating with the keeper and the latch for limiting pivotal movement of the wings in the extended operative position thereof.

The invention both as to its organization and method of operation, together with further objects and advantages thereof, will best be understood by reference to the following specification taken in connection with the accompanying drawings in which:

FIG. 1 is a top plan view of the collapsible mop head of the present invention in the extended operative position thereof and showing an associated mop swab and the mop handle in phantom;

FIG. 2 is an enlarged top plan view of the central portion of the-invention shown in FIG. 1;

FIG. 3 is a side elevational view partly in section of the mop head shown in FIG. 2 taken along line 33 thereof; 4

FIG. 4 is a side elevational view partly in section of the mop head shown in FIG. 2 taken along line 4-4 thereof;

- FIG. 5 is a top plan view ofa portion of the mop head shown in FIG. 2 showing the mop head in the folded position thereof; and

FIG. 6 is a side elevational view of the mop head frame shown in FIG. 1 illustrating the frame in the folded position thereof.

There is provided a collapsible mop head 50 including a first wing 60 and a second wing 80. The

wings

60 and 80 are shiftably interconnected so as to provide for both longitudinal and pivotal movement with respect to each other. The

wings

60 and 80 are movable between an extended operative position thereof in which they are substantially coplanar and a folded position thereof in which they are free to move pivotally with respect one to the other to accommodate insertion of the mop head 50 into an associated mop swab 140. Combined with the mop head 50 and the mop swab 140 is a mop handle 120.

Referring to FIG. 1 of the drawings, there is disclosed the collapsible mop head 50 including the first wing 60 comprised of two spaced apart arms 61 interconnected by a bight 62. From the bight 62 each of the arms 61 includes a diverging portion 64 leading into a parallel portion 65 and then into a converging portion 66 and into another parallel portion 67. At the end of the parallel portion 67, each of the arms 61 terminates in an eyelet 69 having an elongated slot 70 formed therein. As may be seen therefore, the first wing 60 is in the form of a substantially rectangular U-shaped member with the ends of the legs 61 of the U-shaped member being formed of the eyelets 69.

The first wing 60 is further provided with an end bar 72 extending transversely of the arms 61 and interconnecting the eyelets 69, the end bar 72 being connected to the eyelets 69 as by welds 73. The first wing 60 is also provided with a keeper extending transversely of the arms 61 and positioned intermediate the end bar 72 and the bight 62, the keeper 75 having abutment ends 76 extending beyond the respective ones of the parallel portions 67 of the arms 61. The keeper 75 is connected to the arms 61 as by welds 77.

There is also shown in FIG. 1, the second wing 80 including two spaced apart arms 81 interconnected by a bight 82. Each of the arms 81 is comprised of a diverging portion 84 extending from the bight 82 and a parallel portion 85 extending from the diverging portion 84. At the end of the parallel portions 85 away from the diverging portions 84, there is provided on each arm 81, a latch 88 having a camming surface 86 on one side thereof and a camming surface 87 on the other side thereof, all for a purpose hereinafter set forth.

Near the

camming surfaces

86 and 87 of each of the latches 88 there is provided a stop bar 90 extending transversely of the arms 81 and connected thereto as by welds 91, the stop bar 90 being intermediate the latches 88 and the bight 82 of the second wing 80. As seen in FIG. 4, the stop bar 90 is comprised of end portions 92 which form a plane slightly above the plane formed by the arms 81 and a raised portion 93 intermediate the end portions 92 and forming a plane somewhat above the plane formed by the end portions 92, the particular shape of the stop bar 90 to be hereinafter explained,

There is further provided a pivot bar 95 extending transversely of the arms 81 through the slots 70 of the eyelets 69. The pivot bar 95 is connected to each of the arms 81 as by welds 96. As particularly shown in FIG. 3, the pivot bar 95, like the stop bar 90, is formed of end portions 96 resting on the parallel portions 85 of the arms 81 and a raised portion 98 intermediate the end portions 97 and forming a plane somewhat elevated with respect to the plane formed by the end portions 97. The stop bar 90 is substantially identical in shape to the pivot bar 95.

There is further provided two spaced apart springs 100 shiftably interconnecting the first wing 60 with the second wing 80. Each of the springs 100 has a portion 101 thereof looped around the end bar 72 of the first wing 60 and another portion 102 thereof looped around the pivot bar 95 which forms a part of the second wing 80 thereby shiftably to interconnect the first wing 60 with the second wing 80. Each spring 100 has a loop 103 interconnecting the

portions

101 and 102, and each spring 100 normally biases the

wings

60 and 80 into position wherein the latches 88 are in position to engage the keeper 75, as shown in FIGS. 2 and 4 of the drawings. 1

There is further provided a clamping bar 110 extending parallel to the arms 61 and the arms 81 and disposed centrally thereof. The clamping bar 110 inter connects the stop bar 90 with the pivot bar 95, the clamping bar 110 being connected to the stop bar 90 and the pivot bar 95 as by welds 111. The clamping bar 110 receives the mop handle 120, which-mop handle 120 includes a wooden post 122 leading to a mop clamp 125, the mop handle 120 and the mop clamp 125 being shown in phantom in FIG. 1 of the drawings. The mop clamp 125 includes a base plate 126 which is generally U-shaped and has clamping fingers 127 ex tending outwardly and downwardly .to fit in use over the clamping bar 110. A clamping plate 128 is pivotally mounted to the base plate 126 on a shaft 129 and is spring biased (by a spring not shown) to abut the base plate 126 so as firmly to clamp the clamp 125 to the clamping bar 110 and thereby to allow pivotal movement of the handle 120 into and out of the plane of the paper as shown in FIG. 1. interconnecting the wooden post 122 of the mop handle 120 with the mop clamp 125 is a neck 132 which may be rectangular in crosssection and carries thereon a slidable collar 131, which collar 131 is of a dimensionto fit within the legs of the U-shaped base plate 126. The neck 132 is pivotally mounted on the base plate 126 so as to pivot toward and away from each of the

wings

60 and 80; however, movement of the collar 131 downwardly between the legs of the U-shaped base plate 126 effectively prevents pivotal movement of the mop handle 120 toward and away from the

wings

60 and 80.

There is further disclosed in FIG. 1 the mop swab 140 for use with the collapsible mop head 50 disclosed herein, which mop swab 140 has a first pocket 141 designed to accommodate therein the first wing 60 and a second pocket 142 designed to accommodate therein the second wing 80. The combination of the mop handie-120 and the mop pad 140 and the collapsible mop head 50 providing a useful dust mop for home or industrial use.

Operation of the collapsible mop head frame 50 is hereinafter set forth. The mop head 50 is shiftable between an extended operative position thereof, wherein said latches 88 and said keeper 75 are in a locked position as shown in FIGS/1, 2 and 4, wherein the first wing 60 and the second wing 80 are substantially coplanar and a folded position thereof wherein the first wing 60 and the second wing 80 are free for pivotal movement with respect one to the other and said latches 88 and said keeper 75 are in a release position thereof. In the extended operative position of the mop head 50, the second wing 80 overlies the first wing 60 with the parallel portions 85 of the arms 81 substantially coplanar with the parallel portions 67 of the arms 61. The camming surfaces 86 of the latches 88 abut one side of the abutment ends 76 of the keeper 75, which abutment ends 76 extend beyond the parallel portions 67 of the arms 61 to prevent movement of the first wing 60 in a counterclockwise direction, and movement of the second wing 80 in a clockwise direction, as shown in FIG. 4. The stop bar 90 abuts the parallel portions 67 of the arms 61 so as to prevent pivotal movement of the first wing 60 in a clockwise direction and to prevent pivotal movement of the second wing in a counterclockwise direction, as shown in FIG. 4 of the drawings. In the extended operative position of the mop head 50, the

wings

60 and 80 effectively are prevented from pivotal movement with respect to each other by means of the cooperation between abutment ends 76 of the keeper 75 and the abutment surfaces 86 of the latches 88 and the stop bar and the parallel portions 67 of the arms 61.

When it is desired to effect movement of the mop head 50 from the extended operative position thereof to the folded position thereof, a force must be provided against the biasing means or springs 100 which normally bias the second wing 80 toward the first wing 60 to a position wherein the latches 88 are in position to engage the keeper 75, as shown in FIGS. 2 and 4. When a force is provided in the direction as illustrated by the arrow 145 in FIG. 5, the camming surfaces 86 of the latches 88 are moved easily from abutting the keeper 75 as the pivot bar is moved from the left-hand portion of the slot 70 (as shown in FIG. 4) toward the right-hand portion of the slot 70 (as shown in FIG. 6) while the springs are compressed. Subsequent pivotal movement of the second wing 80 with respect to the first wing 60 in a clockwise direction, as shown by the directional arrow 150 in FIG-6, allows the

wings

60 and 80 to be positioned at any desired angle with each other for subsequent insertion thereof into the

pockets

141 and 142 of the mop swab 140.

Once the arms 81 of the second wing 80 have been pivoted so as to position the camming surfaces 87 of the latches 88 away from and out of the plane formed by the first wing 60 and keeper 75, the force applied against the springs 100 may be released with the resulting movement of the pivot bar 95 from the right-hand end of the slots 70 toward the left-hand end of the slots 70, as shown in FIGS. 4 and 6 of the drawings. Release of the pressure against the springs 100 does not effect the pivotal movement of the

wings

60 and 80 with re.- spect to each other but does prevent movement of the

wings

60 and 80 from the folded position thereof to the extended operative position thereof without the application thereto of a force, which force again acts against the springs 100 so as to move the pivot bar 95 from the left-hand end of the slots 70 to the right-hand end of the slots 70as illustrated in FIGS. 4 and 6.

When the

wings

60 and 80 are in the folded position thereof they may be conveniently inserted into the

pockets

141 and 142 of the mop swab 140. If the mop swab 140 is positioned on a support surface such as the floor and the

wings

60 and 80 allowed to come to a neutral rest position, the abutment surface 87 of the latches 88 will rest on top of the keeper 75 but the

wings

60 and 80 will still be in the folded position thereof. Placement of the mop clamp 125 on the clamping bar followed by a downward movement will result in movement of the

wings

60 and 80 from the folded position thereof to the extended operative position thereof. Due to the camming surface 87 on the latches 88 and the rod-like shape of the keeper 75 which acts as a camming surface, a vertically directed force against the clamping bar 110 will be at least partially transformed into a laterally directed force working against the springs 100 so as to compress the same and move the pivot bar 95 to the right as shown in FIG. 6, thereby resulting in the position there illustrated in full line. Subsequent release of the downward pressure against the clamping bar 110 will result in movement of the springs 100 to their normally biased position in which the pivot bar 95 is positioned in the left-hand ends of the slots and the camming surfaces 86 of the latches 88 abut the abutment ends 76 of the keeper 75, so to position the wings 60 and in the extended operative position thereof.

The particular shape of the stop bar 90 and the pivot bar provides for clearance between the mop handle 120 and the mop swab 140. Additionally, pivotal movement of the mop handle 120 with respect to the mop head 50 is assured by means of the shape of the stop bar 90 and the pivot bar 95.

Removal of the mop head 50 from the mop swab 140 is also easily effected when the mop handle 120 is in place. By moving the collar 131 intermediate the legs of the U-shaped base plate 126 pivotal movement of the mop handle 120 toward and away from the

bights

62 and 82 of the first wing 60 and the second wing 80 is effectively prevented. By the simple expedient of standing .on the first wing 60 it is not difficult to apply a force through the mop handle 120, the clamping bar 110, and the pivot bar 95 against the springs so as to compress the same and move the pivot bar 95 from the left-hand end of the slots 70 toward the right-hand end of the slots 70 and simultaneously move the camming surface 86 of the latches 88 away from the keeper '75. Subsequent lifting of the mop handle -pivots the second wing 80 with respect to the first wing 60 and assures easy removal of the mop head 50 from the mop swab 140.

From the foregoing it is seen that there has been provided a collapsible mop head in which the wings thereof are shiftably interconnected and may be moved from a folded position thereof in which they are easily introduced into and removed from an associated mop pad to an extended operative position thereof in which they may be securely positioned-within the mop pad to form'a useful combination.

While there has been described what is at present considered to be the preferred embodiment of the invention, it will be understood that various modifications may be made therein and it is intended to cover in the appended claims all such modifications as seen within the true spirit and scope of the invention.

What is claimed is:

l. A collapsible mop head for use with a mop swab having two mounting pockets therein, said mop head comprising two wings pivotally and longitudinally shiftably interconnected one to the other for movement between an extended operative position wherein said wings can be disposed in the pockets of the associated mop swab and a folded position permitting ready removal of said wings from'the pockets of the associated mop swab, a keeper fixedly mounted on one of said wings and a latch fixedly mounted on the other of said wings, said latch and said keeper being shiftable longitudinally with said wings between a locking position holding said wings in the operative position thereof and a release position permitting pivotal movement of said wings with respect to each other to said folded position, resilient means interconnecting said wings and continually urging said wings into position wherein said latch is in position to engage said keeper, and a handle mounting structure on at least one of said wings.

2. The collapsible mop head set forth in claim 1, wherein each of said wings is substantially rectangular in shape and is tapered at the end thereof.

3. The collapsible mop head set forth in claim 1, wherein a stop means is mounted on said wings cooperating with said keeper and said latch for limiting pivotal movement of said wings in the extended operative position thereof.

4. The collapsible mop head set forth in claim 1, wherein said resilient means comprises two spaced apart springs.

5. A collapsible mop head for use with a mop swab having two mountingpockets therein, said mop head comprising two wings pivotally and longitudinally shiftably interconnected for movement between an extended operative position wherein said wings can be disposed in the pockets of the associated mop swab and a folded position permitting ready removal of said wings from the pockets of the associated mop swab, a keeper having a camming surface thereon fixedly mounted on one of said wings and a latch having a chamfered camming surface thereon fixedly mounted on the other of said wings, said latch having said camming surface thereon and said keeper having said camming surface thereon being longitudinally shiftable with said wings between a locking position holding said wings in the operative position thereof and a release position permitting pivotal movement of said wings with respect to each other to said folded position, resilient means interconnecting said wings and continually urging said wings into position wherein said latch is in position to engage said keeper, and a handle mounting structure on at least one of said wings, whereby placement of said wings on a support surface followed by pushing said wings against said support surface results in said camming surfaces on said latch and on said keeper cooperating to provide easy movement of said wings from the folded position thereof to the extended operative position thereof.

6. The collapsible mop head as set forth in claim 5, wherein said keeper is a rod, the peripheral surface thereof acting as said camming surface.

7. The collapsible mop head as set forth in claim 5, wherein said latch is a rod having the ends thereof chamfered to provide cam ming surfaces on two sides of the end of said rod.

8. A collapsible mop head for use with a mop swab having two mounting pockets therein, said mop head comprising a first generally U-shaped wing having first spaced-apart legs and a first bight interconnecting said first legs, a keeper fixedly mounted on said first legs positioned intermediate said first bight and the ends of said first legs, a second generally U-shaped wing having second spaced-apart legs and a second bight interconnecting said second legs, a latch mounted on said second legs at the ends thereof, said wings being pivotally and longitudinally shiftably interconnected for movement between an extended operative position wherein said wings can be disposed in the pockets of the associated mop swab and a folded position wherein said wings are free for pivotal movement with respect to one another permitting ready removal of said wings from the pockets of the associated mop swab, stop means mounted on said wings cooperating with said keeper and latch for limiting pivotal movement of said wingsurging sald wings into position wherein said latch is in position to engage said keeper, and a handle mounting structure on at least one of said wings.

9. The collapsible mop head as set forth in claim 8, wherein said keeper is a rod extending transversely of said first legs. i

having two mounting pockets therein, said mop head comprising two wings pivotally and shiftably interconnected for longitudinal movement between an extended operative position wherein said wings can be disposed inthe pockets of the associated mop swab and a folded position permitting ready removal of said wings from the pockets of the associated mop swab, a keeper having a camming surface thereon fixedly mounted on one of said wings and a latch having a camming surface thereon fixedly mounted on the other of said wings, said latch having said camming surface thereon and said keeper having said camming surface thereon being shiftable with said wings between a locki ing position holding said wings in the operative position thereof and a release position permitting pivotal movement of said wings with respect to each other to said folded position, resilient means interconnecting said wings and continually urging said wings into position wherein said latch is in position to engage said keeper,

and a handle mounting structure on at least one of said wings, whereby placement of said wingson a support surface followed by pushing said wings against said support surface results in said camming surfaces on said latch and on said keeper cooperating to provideeasy movement of said wings from the folded position thereof to the extended operative position thereof.

14. A collapsible mop head for use with a mop swab having two mounting pockets therein, said mop head comprising a first generally .U-shaped wing having first spaced-apart legs with each of the ends thereof formed into an elongated eyelet and a first bight interconnecting said first legs, a keeper fixedly mounted on said first legs positioned intermediate said first bight and the ends of said first legs, a second generally U-shaped wing having second spaced-apart legs and a second bight interconnecting said second legs, a latch mounted on said second legs at the ends thereof, means mounted on said second legs extending through each of said eyelets so as to interconnect said first and .second wing for longitudinal and pivotal movement with respect to each other between an extended operative position wherein said wings can be disposed in the pockets of the associated mop swab and a folded position wherein said wings are free for pivotal movement with respect to one another permitting ready removal of said wings from the pockets of the associated mop swab, stop means mounted on said wings cooperating with said keeper and latch for limiting pivotal movement of said wings in the extended operative position thereof, resilient means continually urging said wings into position wherein said latch is in position to engage said keeper, and a handle mounting structure on at least one of said wings.

Claims

1. A collapsible mop head for use with a mop swab having two mounting pockets therein, said mop head comprising two wings pivotally and longitudinally shiftably interconnected one to the other for movement between an extended operative position wherein said wings can be disposed in the pockets of the associated mop swab and a folded position permitting ready removal of said wings from the pockets of the associated mop swab, a keeper fixedly mounted on one of said wings and a latch fixedly mounted on the other of said wings, said latch and said keeper being shiftable longitudinally with said wings between a locking position holding said wings in the operative position thereof and a release position permitting pivotal movement of said wings with respect to each other to said folded position, resilient means interconnecting said wings and continually urging said wings into position wherein said latch is in position to engage said keeper, and a handle mounting structure on at least one of said wings.

5. A collapsible mop head for use with a mop swab having two mounting pockets therein, said mop head comprising two wings pivotally and longitudinally shiftably interconnected for movement between an extended operative position wherein said wings can be disposed in the pockets of the associated mop swab and a folded position permitting ready removal of said wings from the pockets of the associated mop swab, a keeper having a camming surface thereon fixedly mounted on one of said wings and a latch having a chamfered camming surface thereon fixedly mounted on the other of said wings, said latch having said camming surface thereon and said keeper having said camming surface thereon being longitudinally shiftable with said wings between a locking position holding said wings in the operative position thereof and a release position peRmitting pivotal movement of said wings with respect to each other to said folded position, resilient means interconnecting said wings and continually urging said wings into position wherein said latch is in position to engage said keeper, and a handle mounting structure on at least one of said wings, whereby placement of said wings on a support surface followed by pushing said wings against said support surface results in said camming surfaces on said latch and on said keeper cooperating to provide easy movement of said wings from the folded position thereof to the extended operative position thereof.

7. The collapsible mop head as set forth in claim 5, wherein said latch is a rod having the ends thereof chamfered to provide camming surfaces on two sides of the end of said rod.

8. A collapsible mop head for use with a mop swab having two mounting pockets therein, said mop head comprising a first generally U-shaped wing having first spaced-apart legs and a first bight interconnecting said first legs, a keeper fixedly mounted on said first legs positioned intermediate said first bight and the ends of said first legs, a second generally U-shaped wing having second spaced-apart legs and a second bight interconnecting said second legs, a latch mounted on said second legs at the ends thereof, said wings being pivotally and longitudinally shiftably interconnected for movement between an extended operative position wherein said wings can be disposed in the pockets of the associated mop swab and a folded position wherein said wings are free for pivotal movement with respect to one another permitting ready removal of said wings from the pockets of the associated mop swab, stop means mounted on said wings cooperating with said keeper and latch for limiting pivotal movement of said wings in the extended operative position thereof, resilient means interconnecting said wings and continually urging saId wings into position wherein said latch is in position to engage said keeper, and a handle mounting structure on at least one of said wings.

9. The collapsible mop head as set forth in claim 8, wherein said keeper is a rod extending transversely of said first legs.

10. The collapsible mop head as set forth in claim 8, wherein said latch is integral with said second legs and formed of the ends thereof.

11. The collapsible mop head as set forth in claim 8, wherein said stop means is a rod extending transversely of said second wing legs.

12. The collapsible mop head as set forth in claim 8, wherein said resilient means is a pair of spaced-apart springs.

13. A collapsible mop head for use with a mop swab having two mounting pockets therein, said mop head comprising two wings pivotally and shiftably interconnected for longitudinal movement between an extended operative position wherein said wings can be disposed in the pockets of the associated mop swab and a folded position permitting ready removal of said wings from the pockets of the associated mop swab, a keeper having a camming surface thereon fixedly mounted on one of said wings and a latch having a camming surface thereon fixedly mounted on the other of said wings, said latch having said camming surface thereon and said keeper having said camming surface thereon being shiftable with said wings between a locking position holding said wings in the operative position thereof and a release position permitting pivotal movement of said wings with respect to each other to said folded position, resilient means interconnecting said wings and continually urging said wings into position wherein said latch is in position to engage said keeper, and a handle mounting structure on at least one of said wings, whereby placement of said wings on a support surface followed by pushing said wings against said support surface results in said camming surfaces on said latch and on said keePer cooperating to provide easy movement of said wings from the folded position thereof to the extended operative position thereof.

14. A collapsible mop head for use with a mop swab having two mounting pockets therein, said mop head comprising a first generally U-shaped wing having first spaced-apart legs with each of the ends thereof formed into an elongated eyelet and a first bight interconnecting said first legs, a keeper fixedly mounted on said first legs positioned intermediate said first bight and the ends of said first legs, a second generally U-shaped wing having second spaced-apart legs and a second bight interconnecting said second legs, a latch mounted on said second legs at the ends thereof, means mounted on said second legs extending through each of said eyelets so as to interconnect said first and second wing for longitudinal and pivotal movement with respect to each other between an extended operative position wherein said wings can be disposed in the pockets of the associated mop swab and a folded position wherein said wings are free for pivotal movement with respect to one another permitting ready removal of said wings from the pockets of the associated mop swab, stop means mounted on said wings cooperating with said keeper and latch for limiting pivotal movement of said wings in the extended operative position thereof, resilient means continually urging said wings into position wherein said latch is in position to engage said keeper, and a handle mounting structure on at least one of said wings.