Patent US4125003A successfully refreshed from Google Patents.
US4125003A
Expired / Lapsed
US
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Sump strainer for tumbler washing machine
Assignee: White Westinghouse Corp
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Filing: 1976-09-09
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Granted: 1978-11-14
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Expires: 1996-09-09
Abstract
Abstract A tumbler type washing machine has a non-rotatable tub with a recessed sump at the bottom which is connected to drain. A perforate box-like strainer member is secured within the sump around the drain opening to prevent foreign objects in the tub from entering the drain hose and possibly damaging the pump. The strainer has a bottom member and a cover member and has projection which space the strainer from the walls of the sump.
Inventors
- 👤 William A. Wasemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:37
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/10
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
156 words
A laundry appliance having a non-rotatable tub, means defining a sump portion of the tub, a pump, a drain conduit having an inlet at the wall of said sump and connected to said pump, a strainer box to prevent articles from entering the pump through said drain conduit, and bracket means mounting said strainer box in said sump, wherein the improvement comprises said strainer box having an end with an aperture therethrough constructed and arranged to sealingly connect said drain conduit inlet to said strainer box, said box having perforated openings in its top wall, sidewalls and bottom wall, lug means constructed and arranged to space said sidewalls and bottom wall from corresponding walls of said sump into which said strainer box is located, said strainer box having notch means in cooperative engagement with said bracket means fixedly positioning said box in said sump and urging said box into sealing engagement with said drain conduit inlet.
Claim 2
Dependent Claim
156 words
A laundry appliance having a non-rotatable tub, means defining a sump portion of the tub, a pump, a drain conduit having an inlet at the wall of said sump and connected to said pump, a strainer box to prevent articles from entering the pump through said drain conduit, and bracket means mounting said strainer box in said sump, wherein the improvement comprises said strainer box having an end with an aperture therethrough constructed and arranged to sealingly connect said drain conduit inlet to said strainer box, said box having perforated openings in its top wall, sidewalls and bottom wall, lug means constructed and arranged to space said sidewalls and bottom wall from corresponding walls of said sump into which said strainer box is located, said strainer box having notch means in cooperative engagement with said bracket means fixedly positioning said box in said sump and urging said box into sealing engagement with said drain conduit inlet.
Claim 3
Dependent Claim
21 words
The improvement according to claim 1 wherein said strainer comprises two separate members which are held together by said positioning means.
Claim 4
Dependent Claim
35 words
The improvement according to claim 2 wherein one strainer member has a bottom wall and a plurality of side walls, the other member has a top wall making a sealing fit with said side walls.
Claim 5
Dependent Claim
43 words
The improvement according to claim 3 wherein said bracket means includes a relatively flat sump cover above said strainer and said other member has projections extending upward in engagement with said sump cover to space said top wall downward from said sump cover.
References Cited (Backward Citations)
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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) | 1981-11-13 | 1982-05-15 | 1982-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-11-13 | 1986-05-15 | 1986-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-11-13 | 1990-05-15 | 1990-11-14 | $7700.00 | Window Closed / Lapsed |