Patent US3212349A successfully refreshed from Google Patents.
US3212349A
Expired / Lapsed
US
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Drive mechanism
Assignee: Penta AB
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Filing: 1962-11-21
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Granted: 1965-10-19
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Expires: 1982-11-21
Abstract
No abstract record available.
Inventors
- 👤 Karl A Bergstedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:54
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/08; F16H3/14; F16H3/145; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/19274; Y10T74/19377; Y10T74/19414; Y10T74/19484; Y10T74/19493
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN A CLUTCH MECHANISM COMPRISING AN OUTPUT SHAFT, A CONTINUOUSLY DRIVE CLUTCH ELEMENT FREELY ROTATABLY DISPOSED ON SAID SHAFT, AND A COUPLING SLEEVE SPLINED ON SAID SHAFT AND MOVABLE THEREALONG TOWARD AND AWAY FROM SAID CLUTCH ELEMENT, SAID SLEEVE HAVING A CIRCUMFERENTIALLY AND RADIALLY EXTENDING SURFACE PORTION AND FACING AWAY FROM SAID ELEMENT DISPOSED IN A PLANE NORMAL TO THE AXIS OF SAID SLEEVE, A SHOE ENGAGEABLE WITH SAID SURFACE PORTION, MEANS FOR MOVING SAID SHOE IN A DIRECTION TOWARD SAID ELEMENT AND BEARING AGAINST SAID SURFACE PORTION THEREBY TO MOVE SAID SLEEVE INTO ENGAGEMENT WITH SAID ELEMENT, A CAMMING SURFACE PORTION EXTENDING AROUND SAID SLEEVE, SAID CAMMING SURFACE PORTION FACING TOWARD SAID ELEMENT AND HAVING ONE PART NEARER SAID ELEMENT THAN ANOTHER PART, POSITIONING MEANS, AND CAM ENGAGING MEANS POSTIONABLE BY SAID LAST MEANS INTO ENGAGEMENT WITH SAID OTHER PART OF SAID CAMMING SURFACE AND OPERATIVE UPON ROTATION OF SAID SLEEVE TO CAM SAID SLEEVE AWAY FROM ENGAGEMENT WITH SAID CLUTCH ELEMENT.
Claim 2
Dependent Claim
163 words
IN A CLUTCH MECHANISM COMPRISING AN OUTPUT SHAFT, A CONTINUOUSLY DRIVE CLUTCH ELEMENT FREELY ROTATABLY DISPOSED ON SAID SHAFT, AND A COUPLING SLEEVE SPLINED ON SAID SHAFT AND MOVABLE THEREALONG TOWARD AND AWAY FROM SAID CLUTCH ELEMENT, SAID SLEEVE HAVING A CIRCUMFERENTIALLY AND RADIALLY EXTENDING SURFACE PORTION AND FACING AWAY FROM SAID ELEMENT DISPOSED IN A PLANE NORMAL TO THE AXIS OF SAID SLEEVE, A SHOE ENGAGEABLE WITH SAID SURFACE PORTION, MEANS FOR MOVING SAID SHOE IN A DIRECTION TOWARD SAID ELEMENT AND BEARING AGAINST SAID SURFACE PORTION THEREBY TO MOVE SAID SLEEVE INTO ENGAGEMENT WITH SAID ELEMENT, A CAMMING SURFACE PORTION EXTENDING AROUND SAID SLEEVE, SAID CAMMING SURFACE PORTION FACING TOWARD SAID ELEMENT AND HAVING ONE PART NEARER SAID ELEMENT THAN ANOTHER PART, POSITIONING MEANS, AND CAM ENGAGING MEANS POSTIONABLE BY SAID LAST MEANS INTO ENGAGEMENT WITH SAID OTHER PART OF SAID CAMMING SURFACE AND OPERATIVE UPON ROTATION OF SAID SLEEVE TO CAM SAID SLEEVE AWAY FROM ENGAGEMENT WITH SAID CLUTCH ELEMENT.
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) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |