Patent US3570428A successfully refreshed from Google Patents.
US3570428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement on sewing machines for operating the motor starter
Assignee: GM Pfaff AG
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Filing: 1969-03-17
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Granted: 1971-03-16
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Expires: 1989-03-17
Abstract
Abstract Arrangement on sewing machines for actuating the motor starter mounted on a wall in the cabinet by operating means such as a treadle, a knee pressure plate or an arm-operated hinged plate, which includes a coupling to be actuated by one of the three operating means.
Inventors
- 👤 Willi Sternberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:55
CPC Classifications
D; D05; D05B; D05B69/00; D05B69/14; D05B69/18; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
84 words
Arrangement on sewing machines for operating a starter adapted to be mounted on the wall of a sewing machine cabinet and having a pedal, said arrangement comprising an axle horizontally mounted in said cabinet, a lever supported on said axle for pivotal movement therewith and having an arm for engaging said pedal, said lever having a plurality of coupling means, and a plurality of operating elements each operatively linked to one of said coupling means and actuated by the operator of the sewing machine.
Claim 2
Dependent Claim
84 words
Arrangement on sewing machines for operating a starter adapted to be mounted on the wall of a sewing machine cabinet and having a pedal, said arrangement comprising an axle horizontally mounted in said cabinet, a lever supported on said axle for pivotal movement therewith and having an arm for engaging said pedal, said lever having a plurality of coupling means, and a plurality of operating elements each operatively linked to one of said coupling means and actuated by the operator of the sewing machine.
Claim 3
Dependent Claim
87 words
Arrangement in accordance with claim 1, where the machine cabinet has a table top having an opening, said axle is disposed below said table top, and said operating element comprises a hinge support mounted on said table top, a hinged plate pivotally connected at one end to said hinge support, a rod extending through said opening and connected at one end to the other end of said hinged plate and said coupling means on said lever comprises another arm connected to the other end of said rod.
References Cited (Backward Citations)
US1645028A
Cited
US1721069A
Cited
US2055433A
Cited
US2226569A
Cited
US2302436A
Cited
FR1291745A
Cited
US3479901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |