Patent US4438540A successfully refreshed from Google Patents.
US4438540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wringable mop assembly
Assignee: Amway Corp
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Filing: 1981-11-20
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Granted: 1984-03-27
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Expires: 2001-11-20
Abstract
Abstract The specification discloses a wringable mop including a sponge pinchingly retained within a channel, a ferrule including an integral mounting plate, a clamp, a roller-carrying bridge, and a wringer handle. A tab extends from the wringer handle through an aperture in the bridge to pivotally connect the wringer handle and the bridge. The clamp is hingedly connected to the mounting plate at two locations, and a bolt passes through the clamp and mounting plate approximately midway between these two locations to draw the clamp and mounting plate together to secure the channel and sponge therebetween. A detent tab extends from the mounting plate into an aperture in the channel to prevent the channel from shifting laterally with respect to the mounting plate.
Inventors
- 👤 Walter H. Senour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:55
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/14
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
221 words
A sponge mop comprising: a sponge; a channel pinchingly securing said sponge and including a first aperture; mounting means adapted to receive a mop handle and defining a pair of second apertures; a clamp including a pair of ears extending through said pair of second apertures to hingedly connect said clamp to said mounting means; drawing means for drawing said clamp toward said mounting means to secure said channel between said clamp and said mounting means, whereby said clamp pivots about said ears as said drawing means draws said clamp toward said mounting means; a detent tab extending from one of said clamp and said mounting means into said first aperture in said channel to prevent said channel from shifting laterally with respect to said mounting means and said clamp; a bridge movable relative said sponge and carrying a pair of parallel wringer members disposed on opposite sides of said sponge, said bridge defining a third aperture; and a wringer handle pivotally mounted to said mounting means and including a tab extending through said third aperture in said bridge, whereby as said wringer handle is pivoted with respect to said mounting means, said wringer handle pivots with respect to said bridge about said tab forcing said bridge to move relative said sponge to cause said wringer members to wring said sponge.
Claim 2
Dependent Claim
221 words
A sponge mop comprising: a sponge; a channel pinchingly securing said sponge and including a first aperture; mounting means adapted to receive a mop handle and defining a pair of second apertures; a clamp including a pair of ears extending through said pair of second apertures to hingedly connect said clamp to said mounting means; drawing means for drawing said clamp toward said mounting means to secure said channel between said clamp and said mounting means, whereby said clamp pivots about said ears as said drawing means draws said clamp toward said mounting means; a detent tab extending from one of said clamp and said mounting means into said first aperture in said channel to prevent said channel from shifting laterally with respect to said mounting means and said clamp; a bridge movable relative said sponge and carrying a pair of parallel wringer members disposed on opposite sides of said sponge, said bridge defining a third aperture; and a wringer handle pivotally mounted to said mounting means and including a tab extending through said third aperture in said bridge, whereby as said wringer handle is pivoted with respect to said mounting means, said wringer handle pivots with respect to said bridge about said tab forcing said bridge to move relative said sponge to cause said wringer members to wring said sponge.
Claim 3
Dependent Claim
31 words
A sponge mop as defined in claim 1 wherein said tab on said wringer handle includes an integral ear locking behind said bridge to secure said wringer handle to said bridge.
Claim 4
Dependent Claim
141 words
An improved sponge mop having a channel, a sponge pinchingly secured within said channel, mounting means, a clamp, means for urging said clamp toward said mounting means to secure said channel therebetween, and means for preventing said channel from moving laterally with respect to said mounting means and said clamp, said channel including two opposed side walls, said mounting means and clamp engaging said opposed side walls, wherein the improvement comprises said preventing means comprising: each of said side walls having an aperture; and detent means extending from at least one of said mounting means and said clamp through one of said side wall apertures to prevent said channel from shifting laterally with respect to said mounting means and said clamp, whereby said channel may be reversed with respect to said mounting means and clamp and still receive said detent means.
Claim 5
Dependent Claim
141 words
An improved sponge mop having a channel, a sponge pinchingly secured within said channel, mounting means, a clamp, means for urging said clamp toward said mounting means to secure said channel therebetween, and means for preventing said channel from moving laterally with respect to said mounting means and said clamp, said channel including two opposed side walls, said mounting means and clamp engaging said opposed side walls, wherein the improvement comprises said preventing means comprising: each of said side walls having an aperture; and detent means extending from at least one of said mounting means and said clamp through one of said side wall apertures to prevent said channel from shifting laterally with respect to said mounting means and said clamp, whereby said channel may be reversed with respect to said mounting means and clamp and still receive said detent means.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-03-27 | 1987-09-26 | 1988-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-03-27 | 1991-09-26 | 1992-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-03-27 | 1995-09-26 | 1996-03-27 | $7700.00 | Window Closed / Lapsed |