CA1117714A - Combination sponge and squeegee assembly - Google Patents
Combination sponge and squeegee assemblyInfo
- Publication number
- CA1117714A CA1117714A CA000326462A CA326462A CA1117714A CA 1117714 A CA1117714 A CA 1117714A CA 000326462 A CA000326462 A CA 000326462A CA 326462 A CA326462 A CA 326462A CA 1117714 A CA1117714 A CA 1117714A
- Authority
- CA
- Canada
- Prior art keywords
- projections
- base
- sponge
- squeegee
- mentioned
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L1/00—Cleaning windows
- A47L1/06—Hand implements
Landscapes
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
"COMBINATION SPONGE AND SQUEEGEE ASSEMBLY"
ABSTRACT OF THE INVENTION
A plastic rectangular base with a handle attach-ing portion extending from one side thereof includes a plurality of projections and pins on the other side and near one edge thereof and an angulated rib near the other edge thereof to hold a substantially rectangular cross section piece of sponge like material and a preformed strip of rubber squeegee material respectively when a plastic rectangular upper panel is clamped superposed relationship upon the base with the sponge rubber and a squeegee held therebetween. The cover includes projections and pins adjacent one edge thereof and an angulated rib adjacent the other edge therof which cooperate with the similar parts on the base to prevent the sponge rubber from becoming displaced when used and squeegee from moving sideways when used.
ABSTRACT OF THE INVENTION
A plastic rectangular base with a handle attach-ing portion extending from one side thereof includes a plurality of projections and pins on the other side and near one edge thereof and an angulated rib near the other edge thereof to hold a substantially rectangular cross section piece of sponge like material and a preformed strip of rubber squeegee material respectively when a plastic rectangular upper panel is clamped superposed relationship upon the base with the sponge rubber and a squeegee held therebetween. The cover includes projections and pins adjacent one edge thereof and an angulated rib adjacent the other edge therof which cooperate with the similar parts on the base to prevent the sponge rubber from becoming displaced when used and squeegee from moving sideways when used.
Description
"COMBINATION SPONGE AND S~UEEGEE ASSEMBLY"
BACKGROUND OF THE INVENTION
.
This invention relates to new and useful improvements in combination sponge and squeegee assemblies, particularly such assemblies used for cleaning of windows or windshields on cars and the like.
Conventionally these include a rectangular plastic base with a handle extending therefrom and a substantially rectangular upper cover clamped to the base and clamping the sponge rubber and squeegee material between opposing edges.
However, conventional constructions suffer from several disadvantages. Firstly, the squeegee rubber being relatively rigid, tends to move sideways relative to the holder and can often become misplaced therefrom.
Secondly, the sponge rubber, which is clamped between the opposite edges of the holder, often pulls out from between these edges of the holder, often pulls out from between these edges because the clamping action tends firstly, to distort the edges and secondly, the pressure of the edges upon the sponge tends to deflect the edges outwardly from one another thus weakening the holding effect.
The present invention overcomes these disadvantages and in accordance with the invention there is provided a combina-tion a sponge and squeegee assembly comprising in combination a substantlally rectangular base and a substantially rectangular upper plate and means to clamp them together in substantia~ly ' ~
1~17714 juxtaposed relationship, a length of squeegee material clamped between two of the substantially juxtaposed edges and a length of substantially rectangular cross section sponge like material clamped between the other two substantially juxtaposed edges and means on the inner opposing surfaces of said base and said upper plate to prevent relative sideways movement of said squeegee material relative to said base and said plate and further means on the inner opposing surfaces of said base and said upper plate to prevent disengagement of said sponge like material from said base and plate, said means to prevent sideways movement of said squeegee material relative to said plate and said base including longitudinally extending rib on the inner surface of said edge of said base engaging said squeegee material, an angulated flange forming the edge of said top plate engaging said squeegee material with the apex of said angulated flange projecting outwardly from the plane of said top plate and a plurality of projecting pins formed on the outer edge of the flange facLng inwardly and engaging the surface of said squeegee material.
A further advantage of the present construction is that means are provided to reduce distortion of the edges of the base and the top plate when they are clamped together around the sponge like material and the squeegee material.
Another advantage of the present invention is to provide an assembly of the character herewithin described which is simple in construction, economical in manufacture and otherwise ~ s ~g:
1~177i4 well suited to the purpose for which it is designed.
With the foregoing in view, and other advantages as will become apparent to those skilled in the art to which this invention relates as this specification proceeds, the invention is herein described by reference to the .. .
.
~17714 accompanying drawings forming a part hereof, which in-cludes a description of the preferred typical embodiment of the principles of the present invention, in which:
DESCRIPTION OF THE DRAWINGS
Figure 1 is an end view of the base and upper plate spaced apart prior to clamping same together.
Figure 2 is a fragmentary inside plan view of the base per se.
Figure 3 is a cross sectional view along the line 3-3 of Figure 2.
Figure 4 is a fragmentary inner plan view of the top plate per se.
Figure 5 is a cross sectional view along the line 5-5 of Figure 4.
Figure 6 is a fragmentary isometric view of the assembly with the parts assembled.
Figure 7 is a cross sectional view of the sponge like material prior to being clamped between the base and top plate.
In the drawings like characters of reference indicate corresponding parts in the different figures.
DETAILED DESCRIPTION
Proceeding therefore to describe the invention in detail, reference should be made to the drawings which shows a substantially rectangular base 10, a substantially rectangular upper plate 11, a substantially rectangular ~17714 cross sectioned piece of sponge like material 12 clamped between two opposing edges of the base and top plate and a preformed length of rubber-like material 13 clamped between the opposite opposed edges of the base and top plate.
In detail, both the base and top plate are pre-ferably formed by extruding synthetic plastic although, of course, other methods of forming can be used if desired.
The base is substantially rectangular when viewed in plan and in this embodiment includes a hollow sleeve 14 extending from the outer surface 15 thereof substan-tially centrally of the base and adapted to receive a re-latively short cylindrical handle 16 which may be made of wood or plastic and may be cemented in place or other-wise secured within the socket formed by sleeve 14.
The inner surface 17 of the rectangular base includes a pair of spaced apart relatively short cylindrical sockets 18 (one of which is shown in the drawings), the purpose of which will hereinafter be described.
A pair of longitudinally extending edges lg and 20 are formed on the base with the edge lg including an upwardly and outwardly extending flange portion 21 terminat-ing in an elongated bead 22 on the extremity thereof, said bead also facing upwardly with reference to Figure 3 of the drawings.
Spaced inwardly from the bead 22 and also extend-1~17714 ing upwardly with respect to Figure 3 is an elongatedflange portion 24.
The opposite edge portion 20 includes an angul-ated portion 25 comprising an upwardly and outwardly extending flange 26 and a downwardly and outwardly extend-ing flange 27 with the apex 28 between these two flanges facing upwardly or inwardly towards the plate 11 as will hereinafter be described.
A plurality of pointed projections 29 are formed alonged the apex 28 in spaced apart relationship and a further plurality of pointed projections 30 extend upward-ly from the inner surface 17, inboard of the projections 29 and it will be observed that these latter projections 30 are somewhat longer than the first mentioned projections 29.
The upper plate 11 is shown in detail in Figures 4 and 5 and includes an outer surface 31 and an inner surface 32 with the inner surface being in juxtaposed re-lationship to the inner surface 17 when the two parts are secured together as will hereinafter be described.
Cylindrical pins 33 extend from the inner surface 32 along the centre line thereof and are adapted to engage or to socket into the cylindrical sleeve 18 of the base 11 when the two parts are clamped together thus assisting in the align~ent of the upper plate 11 with the base 10.
The upper plate 11 includes longitudinally extend-1~17714 ing edges or edge portions 34 and 35 with edge portions35 taking the form of an angulated portion having an out-wardly and downwardly extending flange 36 and an outwardly and upwardly extending flange 37 with the apex 38 facing downwardly all of which are relative to Figure 5.
A longitudinally extending rib 39 is formed on the inner surface 32 spaced inwardly from the angulated edge 35 and a plurality of small pointed pins 40 extend up-wardly from the inner surface of the edge portion spaced slightly inwardly from the extremity 41 thereof.
The other edge portion 34 is provided with a plurality of spaced apart pointed projections 42 spaced inwardly from the extremity 43 and a further row of pointed projections 44 being situated inwardly of the first men-tioned pro~ections 42 and it will be observed that the length of these projections 44 is slightly longer than the length of the pointed projections 42.
Finally, a longitudinally extending vertical rib 45 is formed on the outer surface 31 spaced inwardly from the extremity 43 of the edge portion 34 and substantially opposite to the first mentioned projecting portions 42, said rib acting as a stiffener to this edge portion 34.
When the top plate is engaged upon the base with the portions 33 engaging the sleeves 1~, the rectangular sponge like material 12 is clamped between edges 20 and 34 and the preformed s~ueegee material 13 is clamped between ~17714 the edges 19 and 35. When in this position, wing nut and bolt assemblies 46 extend through the sleeves 33 and the hollow pins 18 thus clamping the cover plate 11 to the base 10 substantially in the position illustrated in Figure 6. This causes the sponge like material 12 to dis-tort into the configuration shown in Figure 6 and to be held firmly in position by the projecting portions 20 and 42 and the further projecting portions 30 and 44 assisted by a longitudinally extending rib 47 formed on the inner surface of the base between the portions 29 and 30.
The configuration of the edge portions 20 and 34 are such that the s~onge like material 12 is held firmly in position against sideways movement relative to the hol-der and cannot be pulled from the holder unless consider-able force is exerted which will tear the sponge like material. It will also be observed that the clamping of the top plate to the base with the wing nut and bolt assem-blies 46 may, under normal circumstances, cause a bowed effect or distortion of the edge portions 20 and 34. This tendency of distortion is reduced by the aforementioned vertically situated rib 45 on the upper plate 11 and by the angulated formation of the edge portion 20 of the base.
This reduction of distortion or deflection of the compon-ents also assists in maintaining the sponselike material in position during use.
The squeegee material 13 is also firmly clamped ~17714 in position with the preformed inner portion 13A being seated within the configuration formed by the opposing edge portions 19 and 35. The tendency to sideways move-ment of conventional squeegee components is prevented by the pins 40 which are situated spaced along the inner sur-face of the edge portion 35 spaced slightly inwardly from the extremity 41 thereof. It will therefore be apprec-iated that an extremely efficient squeegee and sponge assembly is provided with the sponge and squeegee material 12 and 13 respectively, being firmly clamped between the parts and prevented from inadvertent displacement there-from.
Since various modifications can be made in my invention as hereinabove described, and many apparently widely different embodiments of same made within the spirit and scope of the claims without departing from such spirit and scope, it is intended that all matter contained in the accompanying specification shall be interpreted as illustrative only and not in a limiting sense.
BACKGROUND OF THE INVENTION
.
This invention relates to new and useful improvements in combination sponge and squeegee assemblies, particularly such assemblies used for cleaning of windows or windshields on cars and the like.
Conventionally these include a rectangular plastic base with a handle extending therefrom and a substantially rectangular upper cover clamped to the base and clamping the sponge rubber and squeegee material between opposing edges.
However, conventional constructions suffer from several disadvantages. Firstly, the squeegee rubber being relatively rigid, tends to move sideways relative to the holder and can often become misplaced therefrom.
Secondly, the sponge rubber, which is clamped between the opposite edges of the holder, often pulls out from between these edges of the holder, often pulls out from between these edges because the clamping action tends firstly, to distort the edges and secondly, the pressure of the edges upon the sponge tends to deflect the edges outwardly from one another thus weakening the holding effect.
The present invention overcomes these disadvantages and in accordance with the invention there is provided a combina-tion a sponge and squeegee assembly comprising in combination a substantlally rectangular base and a substantially rectangular upper plate and means to clamp them together in substantia~ly ' ~
1~17714 juxtaposed relationship, a length of squeegee material clamped between two of the substantially juxtaposed edges and a length of substantially rectangular cross section sponge like material clamped between the other two substantially juxtaposed edges and means on the inner opposing surfaces of said base and said upper plate to prevent relative sideways movement of said squeegee material relative to said base and said plate and further means on the inner opposing surfaces of said base and said upper plate to prevent disengagement of said sponge like material from said base and plate, said means to prevent sideways movement of said squeegee material relative to said plate and said base including longitudinally extending rib on the inner surface of said edge of said base engaging said squeegee material, an angulated flange forming the edge of said top plate engaging said squeegee material with the apex of said angulated flange projecting outwardly from the plane of said top plate and a plurality of projecting pins formed on the outer edge of the flange facLng inwardly and engaging the surface of said squeegee material.
A further advantage of the present construction is that means are provided to reduce distortion of the edges of the base and the top plate when they are clamped together around the sponge like material and the squeegee material.
Another advantage of the present invention is to provide an assembly of the character herewithin described which is simple in construction, economical in manufacture and otherwise ~ s ~g:
1~177i4 well suited to the purpose for which it is designed.
With the foregoing in view, and other advantages as will become apparent to those skilled in the art to which this invention relates as this specification proceeds, the invention is herein described by reference to the .. .
.
~17714 accompanying drawings forming a part hereof, which in-cludes a description of the preferred typical embodiment of the principles of the present invention, in which:
DESCRIPTION OF THE DRAWINGS
Figure 1 is an end view of the base and upper plate spaced apart prior to clamping same together.
Figure 2 is a fragmentary inside plan view of the base per se.
Figure 3 is a cross sectional view along the line 3-3 of Figure 2.
Figure 4 is a fragmentary inner plan view of the top plate per se.
Figure 5 is a cross sectional view along the line 5-5 of Figure 4.
Figure 6 is a fragmentary isometric view of the assembly with the parts assembled.
Figure 7 is a cross sectional view of the sponge like material prior to being clamped between the base and top plate.
In the drawings like characters of reference indicate corresponding parts in the different figures.
DETAILED DESCRIPTION
Proceeding therefore to describe the invention in detail, reference should be made to the drawings which shows a substantially rectangular base 10, a substantially rectangular upper plate 11, a substantially rectangular ~17714 cross sectioned piece of sponge like material 12 clamped between two opposing edges of the base and top plate and a preformed length of rubber-like material 13 clamped between the opposite opposed edges of the base and top plate.
In detail, both the base and top plate are pre-ferably formed by extruding synthetic plastic although, of course, other methods of forming can be used if desired.
The base is substantially rectangular when viewed in plan and in this embodiment includes a hollow sleeve 14 extending from the outer surface 15 thereof substan-tially centrally of the base and adapted to receive a re-latively short cylindrical handle 16 which may be made of wood or plastic and may be cemented in place or other-wise secured within the socket formed by sleeve 14.
The inner surface 17 of the rectangular base includes a pair of spaced apart relatively short cylindrical sockets 18 (one of which is shown in the drawings), the purpose of which will hereinafter be described.
A pair of longitudinally extending edges lg and 20 are formed on the base with the edge lg including an upwardly and outwardly extending flange portion 21 terminat-ing in an elongated bead 22 on the extremity thereof, said bead also facing upwardly with reference to Figure 3 of the drawings.
Spaced inwardly from the bead 22 and also extend-1~17714 ing upwardly with respect to Figure 3 is an elongatedflange portion 24.
The opposite edge portion 20 includes an angul-ated portion 25 comprising an upwardly and outwardly extending flange 26 and a downwardly and outwardly extend-ing flange 27 with the apex 28 between these two flanges facing upwardly or inwardly towards the plate 11 as will hereinafter be described.
A plurality of pointed projections 29 are formed alonged the apex 28 in spaced apart relationship and a further plurality of pointed projections 30 extend upward-ly from the inner surface 17, inboard of the projections 29 and it will be observed that these latter projections 30 are somewhat longer than the first mentioned projections 29.
The upper plate 11 is shown in detail in Figures 4 and 5 and includes an outer surface 31 and an inner surface 32 with the inner surface being in juxtaposed re-lationship to the inner surface 17 when the two parts are secured together as will hereinafter be described.
Cylindrical pins 33 extend from the inner surface 32 along the centre line thereof and are adapted to engage or to socket into the cylindrical sleeve 18 of the base 11 when the two parts are clamped together thus assisting in the align~ent of the upper plate 11 with the base 10.
The upper plate 11 includes longitudinally extend-1~17714 ing edges or edge portions 34 and 35 with edge portions35 taking the form of an angulated portion having an out-wardly and downwardly extending flange 36 and an outwardly and upwardly extending flange 37 with the apex 38 facing downwardly all of which are relative to Figure 5.
A longitudinally extending rib 39 is formed on the inner surface 32 spaced inwardly from the angulated edge 35 and a plurality of small pointed pins 40 extend up-wardly from the inner surface of the edge portion spaced slightly inwardly from the extremity 41 thereof.
The other edge portion 34 is provided with a plurality of spaced apart pointed projections 42 spaced inwardly from the extremity 43 and a further row of pointed projections 44 being situated inwardly of the first men-tioned pro~ections 42 and it will be observed that the length of these projections 44 is slightly longer than the length of the pointed projections 42.
Finally, a longitudinally extending vertical rib 45 is formed on the outer surface 31 spaced inwardly from the extremity 43 of the edge portion 34 and substantially opposite to the first mentioned projecting portions 42, said rib acting as a stiffener to this edge portion 34.
When the top plate is engaged upon the base with the portions 33 engaging the sleeves 1~, the rectangular sponge like material 12 is clamped between edges 20 and 34 and the preformed s~ueegee material 13 is clamped between ~17714 the edges 19 and 35. When in this position, wing nut and bolt assemblies 46 extend through the sleeves 33 and the hollow pins 18 thus clamping the cover plate 11 to the base 10 substantially in the position illustrated in Figure 6. This causes the sponge like material 12 to dis-tort into the configuration shown in Figure 6 and to be held firmly in position by the projecting portions 20 and 42 and the further projecting portions 30 and 44 assisted by a longitudinally extending rib 47 formed on the inner surface of the base between the portions 29 and 30.
The configuration of the edge portions 20 and 34 are such that the s~onge like material 12 is held firmly in position against sideways movement relative to the hol-der and cannot be pulled from the holder unless consider-able force is exerted which will tear the sponge like material. It will also be observed that the clamping of the top plate to the base with the wing nut and bolt assem-blies 46 may, under normal circumstances, cause a bowed effect or distortion of the edge portions 20 and 34. This tendency of distortion is reduced by the aforementioned vertically situated rib 45 on the upper plate 11 and by the angulated formation of the edge portion 20 of the base.
This reduction of distortion or deflection of the compon-ents also assists in maintaining the sponselike material in position during use.
The squeegee material 13 is also firmly clamped ~17714 in position with the preformed inner portion 13A being seated within the configuration formed by the opposing edge portions 19 and 35. The tendency to sideways move-ment of conventional squeegee components is prevented by the pins 40 which are situated spaced along the inner sur-face of the edge portion 35 spaced slightly inwardly from the extremity 41 thereof. It will therefore be apprec-iated that an extremely efficient squeegee and sponge assembly is provided with the sponge and squeegee material 12 and 13 respectively, being firmly clamped between the parts and prevented from inadvertent displacement there-from.
Since various modifications can be made in my invention as hereinabove described, and many apparently widely different embodiments of same made within the spirit and scope of the claims without departing from such spirit and scope, it is intended that all matter contained in the accompanying specification shall be interpreted as illustrative only and not in a limiting sense.
Claims
WHAT I CLAIM AS MY INVENTION IS:
(1) A combination sponge and squeegee assembly compris-ing in combination a substantially rectangular base and a substan-tially rectangular upper plate and means to clamp them together in substantially juxtaposed relationship, a length of squeegee material clamped between two of the substantially juxtaposed edges and a length of substantially rectangular cross section sponge like material clamped between the other two substantially juxtaposed edges and means on the inner opposing surfaces of said base and said upper plate to prevent relative sideways movement of said squeegee material relative to said base and said plate and further means on the inner opposing surfaces of said base and said upper plate to prevent disengagement of said sponge like material from said base and plate, said means to prevent sideways movement of said squeegee material relative to said plate and said base including longitudinally extending rib on the inner surface of said edge of said base engaging said squeegee material, an angulated flange forming the edge of said top plate engaging said squeegee material with the apex of said angulated flange projecting outwardly from the plane of said top plate and a plurality of projecting pins formed on the outer edge of the flange facing inwardly and engaging the surface of said squeegee material.
(2) The assembly according to Claim 1 which includes means to reduce distortion of said edges when said base and said plate are clamped together around said sponge like material and said squeegee material.
(3) The assembly according to Claim 2 in which said last mentioned means includes longitudinally extending ribs situated on the outer face of said upper plate adjacent the edge thereof clamping said spinge like material, said rib extending outwardly substantially perpendicular to the plane of said upper plate, and a longitudinally extending angulated flange forming the corresponding edge of said base with the apex of said angulated flange engaging the sponge like material.
(4) The assembly according to Claim 1 in which said means to prevent disengagement of said sponge like material includes a plurality of inwardly facing pointed projections formed spaced inwardly from the edges of said base and said top plate engaging said sponge like material and further inwardly facing pointed projections, said further pointed projections being longer than said first mentioned projections, said first mentioned projections and said pointed projections on said base being misaligned with said first mentioned projections and said further projections on said top plate.
(5) The assembly according to Claim 2 in which said means to prevent disengagement of said sponge like material includes a plurality of inwardly facing pointed projections formed spaced inwardly from the edges of said base and said top plate engaging said sponge like material and further inwardly facing pointed projections spaced inwardly from said first mentioned projections, said further pointed projections being longer than said first mentioned projections, said first mentioned projections and said pointed projections on said base being misaligned with said first mentioned projections and said further projections on said top plate.
(6) The assembly according to Claim 3 in which said means to prevent disengagement of said sponge like material includes a plurality of inwardly facing pointed projections formed spaced inwardly from the edges of said base and said top plate engaging said sponge like material and further inwardly facing pointed projections spaced inwardly from said first mentioned projections, said further pointed projections being longer than said first mentioned projections, said first mentioned projections and said pointed projections on said base being misaligned with said first mentioned projections and said further projections on said top plate.
(1) A combination sponge and squeegee assembly compris-ing in combination a substantially rectangular base and a substan-tially rectangular upper plate and means to clamp them together in substantially juxtaposed relationship, a length of squeegee material clamped between two of the substantially juxtaposed edges and a length of substantially rectangular cross section sponge like material clamped between the other two substantially juxtaposed edges and means on the inner opposing surfaces of said base and said upper plate to prevent relative sideways movement of said squeegee material relative to said base and said plate and further means on the inner opposing surfaces of said base and said upper plate to prevent disengagement of said sponge like material from said base and plate, said means to prevent sideways movement of said squeegee material relative to said plate and said base including longitudinally extending rib on the inner surface of said edge of said base engaging said squeegee material, an angulated flange forming the edge of said top plate engaging said squeegee material with the apex of said angulated flange projecting outwardly from the plane of said top plate and a plurality of projecting pins formed on the outer edge of the flange facing inwardly and engaging the surface of said squeegee material.
(2) The assembly according to Claim 1 which includes means to reduce distortion of said edges when said base and said plate are clamped together around said sponge like material and said squeegee material.
(3) The assembly according to Claim 2 in which said last mentioned means includes longitudinally extending ribs situated on the outer face of said upper plate adjacent the edge thereof clamping said spinge like material, said rib extending outwardly substantially perpendicular to the plane of said upper plate, and a longitudinally extending angulated flange forming the corresponding edge of said base with the apex of said angulated flange engaging the sponge like material.
(4) The assembly according to Claim 1 in which said means to prevent disengagement of said sponge like material includes a plurality of inwardly facing pointed projections formed spaced inwardly from the edges of said base and said top plate engaging said sponge like material and further inwardly facing pointed projections, said further pointed projections being longer than said first mentioned projections, said first mentioned projections and said pointed projections on said base being misaligned with said first mentioned projections and said further projections on said top plate.
(5) The assembly according to Claim 2 in which said means to prevent disengagement of said sponge like material includes a plurality of inwardly facing pointed projections formed spaced inwardly from the edges of said base and said top plate engaging said sponge like material and further inwardly facing pointed projections spaced inwardly from said first mentioned projections, said further pointed projections being longer than said first mentioned projections, said first mentioned projections and said pointed projections on said base being misaligned with said first mentioned projections and said further projections on said top plate.
(6) The assembly according to Claim 3 in which said means to prevent disengagement of said sponge like material includes a plurality of inwardly facing pointed projections formed spaced inwardly from the edges of said base and said top plate engaging said sponge like material and further inwardly facing pointed projections spaced inwardly from said first mentioned projections, said further pointed projections being longer than said first mentioned projections, said first mentioned projections and said pointed projections on said base being misaligned with said first mentioned projections and said further projections on said top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000326462A CA1117714A (en) | 1979-04-26 | 1979-04-26 | Combination sponge and squeegee assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000326462A CA1117714A (en) | 1979-04-26 | 1979-04-26 | Combination sponge and squeegee assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1117714A true CA1117714A (en) | 1982-02-09 |
Family
ID=4114075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000326462A Expired CA1117714A (en) | 1979-04-26 | 1979-04-26 | Combination sponge and squeegee assembly |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1117714A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0381783A1 (en) * | 1989-02-03 | 1990-08-16 | LEIFHEIT Aktiengesellschaft | Squeegee apparatus |
-
1979
- 1979-04-26 CA CA000326462A patent/CA1117714A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0381783A1 (en) * | 1989-02-03 | 1990-08-16 | LEIFHEIT Aktiengesellschaft | Squeegee apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |