US3240033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed change mechanisms for knitting machines
Assignee: Bentley Engineering Co Ltd
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Filing: 1962-11-05
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Granted: 1966-03-15
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Expires: 1982-11-05
Abstract
No abstract record available.
Inventors
- 👤 Wainwright Carlyle Herbert
- 👤 Harris Denis John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:34
CPC Classifications
D; D04; D04B; D04B15/00; D04B15/94
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
SPEED CONTROL MECHANISM FOR A CIRCULAR KNITTING MACHINE WHICH COMPRISES: (A) A PLURALITY OF ROTARY DRIVING MEMBERS FOR OPERATING THE MACHINE AT DIFFERENT SPEEDS; (B) MEANS FOR COUPLING SAID ROTARY DRIVING MEMBERS ALTERNATELY TO A DRIVEN SHAFT FOR OPERATING THE MACHINE; (C) SPEED ADJUSTING MEANS FOR TRANSFERRING THE COUPLING FROM ONE DRIVING MEMBER TO ANOTHER; (D) CATCH MEANS FOR RETAINING THE SETTING OF THE SPEED ADJUSTING MEANS AT A DESIRED SETTING FOR A PREDETERMINED PROLONGED INTERVAL; (E) A TIMING CAM TO BE RELEASE THE CATCH MEANS WHEN DESIRED; (F) A SENSING MEMBER; (G) TIMING MEANS FOR ACTUATING THE SENSING MEMBER; (H) A DRIVEN CAM SHAFT; (I) A CAM ON SAID CAM SHAFT; AND (J) MEANS WHEREBY THE CAM OPERATES THE SPEED ADJUSTING MEANS UNDER THE CONTROL OF THE SENSING MEMBER.
Claim 2
Dependent Claim
130 words
SPEED CONTROL MECHANISM FOR A CIRCULAR KNITTING MACHINE WHICH COMPRISES: (A) A PLURALITY OF ROTARY DRIVING MEMBERS FOR OPERATING THE MACHINE AT DIFFERENT SPEEDS; (B) MEANS FOR COUPLING SAID ROTARY DRIVING MEMBERS ALTERNATELY TO A DRIVEN SHAFT FOR OPERATING THE MACHINE; (C) SPEED ADJUSTING MEANS FOR TRANSFERRING THE COUPLING FROM ONE DRIVING MEMBER TO ANOTHER; (D) CATCH MEANS FOR RETAINING THE SETTING OF THE SPEED ADJUSTING MEANS AT A DESIRED SETTING FOR A PREDETERMINED PROLONGED INTERVAL; (E) A TIMING CAM TO BE RELEASE THE CATCH MEANS WHEN DESIRED; (F) A SENSING MEMBER; (G) TIMING MEANS FOR ACTUATING THE SENSING MEMBER; (H) A DRIVEN CAM SHAFT; (I) A CAM ON SAID CAM SHAFT; AND (J) MEANS WHEREBY THE CAM OPERATES THE SPEED ADJUSTING MEANS UNDER THE CONTROL OF THE SENSING MEMBER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |