US4218898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timer, stepping device, hinge and laundry handling machine
Assignee: ITT Inc
•
Filing: 1978-09-08
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Granted: 1980-08-26
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Expires: 1998-09-08
Abstract
Abstract A reversible drum for a laundry handling machine is described wherein the drum motor drives a timer, eliminating the use of two motors. The timer includes a bistate device driven by the motor and controlling its sense of rotation.
Inventors
- 👤 Lodewijk J. T. Boyen
- 👤 Rene N. J. D'Huys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:35
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/02; H01H43/022; D; D06; D06F; D06F33/00; D06F33/04; D06F37/00; D06F37/30; D06F37/32; D06F37/34; D06F39/00; D06F39/12; D06F39/14; H01H43/04; H01H43/06; H01H43/065; D06F2103/00; D06F2103/40; D06F37/42; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
146 words
In a laundry handling machine having a drum and a vat provided with a cover, wherein: said cover includes an upper surface having a rear portion with a recess therein and an inclined front portion, an annular part in said recess with said annular part raised with respect to the recess, a washing program selection knob having a hollow stem with said hollow stem fitting into said annular part; a laundry machine driven member having a dome-shaped part with said hollow stem being slid on said dome-shaped part, a rib on said dome-shaped part, said hollow stem having at least a first slit fitting around said rib; and a driven bistate device operably connected to said driven member, a timer including a motor reversible by said bistate device for changing the direction of rotation of said drum at a predetermined angle of rotation of said drum.
Claim 2
Dependent Claim
146 words
In a laundry handling machine having a drum and a vat provided with a cover, wherein: said cover includes an upper surface having a rear portion with a recess therein and an inclined front portion, an annular part in said recess with said annular part raised with respect to the recess, a washing program selection knob having a hollow stem with said hollow stem fitting into said annular part; a laundry machine driven member having a dome-shaped part with said hollow stem being slid on said dome-shaped part, a rib on said dome-shaped part, said hollow stem having at least a first slit fitting around said rib; and a driven bistate device operably connected to said driven member, a timer including a motor reversible by said bistate device for changing the direction of rotation of said drum at a predetermined angle of rotation of said drum.
Claim 3
Dependent Claim
26 words
A laundry handling machine according to claim 1, wherein said hollow stem further includes at least a second slit for increased resiliency of said hollow stem.
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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) | 1983-08-26 | 1984-02-25 | 1984-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-08-26 | 1988-02-25 | 1988-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-08-26 | 1992-02-25 | 1992-08-26 | $7700.00 | Window Closed / Lapsed |