US3811746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torsionally reinforced, skeletal support frame for plastic tubs
Assignee: General Electric Co
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Filing: 1972-12-19
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Granted: 1974-05-21
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Expires: 1992-12-19
Abstract
Abstract A unipartite plastic tub is employed in a front loading dishwasher in substitution for the usual solid, lined or coated metal tubs. The disclosure relates to the particular positionment of torsional reinforcing members to the upper and/or lower sides of a generally rectangular, skeletal support frame for the plastic tub.
Inventors
- 👤 R Butsch
- 👤 B Brezosky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:01
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/4246
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
In a front loading dishwasher including a plastic tub having a generally rectangular cross-section and an open front; a metal tub support frame including a generally rectangular tub engaging portion in backing engagement with the external periphery of said plastic tub adjacent the open front thereof; said metal tub support frame including a base assembly underlying a major fraction of the lower tub wall and an upstanding mounting collar including a channel section and embracing and engaging a minor fraction of the top and side walls of said tub; a reinforcing member rigidly secured to the top portion of said collar and extending across the width of said top tub wall for increasing the torsional resistance of said tub engaging frame portion; said reinforcing member comprising a channel shaped portion overlying said mounting collar channel section and defining a closed box shape therewith in overlying relation to the tub top wall, said reinforcing member including flat end portions extending beyond said channel shaped panel portion and downwardly along the sides of said mounting collar and rigidly secured to said mounting collar.
Claim 2
Dependent Claim
181 words
In a front loading dishwasher including a plastic tub having a generally rectangular cross-section and an open front; a metal tub support frame including a generally rectangular tub engaging portion in backing engagement with the external periphery of said plastic tub adjacent the open front thereof; said metal tub support frame including a base assembly underlying a major fraction of the lower tub wall and an upstanding mounting collar including a channel section and embracing and engaging a minor fraction of the top and side walls of said tub; a reinforcing member rigidly secured to the top portion of said collar and extending across the width of said top tub wall for increasing the torsional resistance of said tub engaging frame portion; said reinforcing member comprising a channel shaped portion overlying said mounting collar channel section and defining a closed box shape therewith in overlying relation to the tub top wall, said reinforcing member including flat end portions extending beyond said channel shaped panel portion and downwardly along the sides of said mounting collar and rigidly secured to said mounting collar.
References Cited (Backward Citations)
US3190709A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-05-20 | 1977-11-19 | 1978-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-20 | 1981-11-19 | 1982-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-20 | 1985-11-19 | 1986-05-21 | $7700.00 | Window Closed / Lapsed |