Patent US3203523A successfully refreshed from Google Patents.
US3203523A
Expired / Lapsed
US
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Clutch with load limiting device
Assignee: Electronic Specialty Co
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Filing: 1963-10-03
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Granted: 1965-08-31
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Expires: 1983-10-03
Abstract
No abstract record available.
Inventors
- 👤 John A Gilder
- 👤 Raymond S Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:18
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/20; F16D43/202; F16D43/204; F16D43/206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A CLUTCH DEVICE FORCONNECTING AND DISCONNECTING A DRIVE SHAFT AND A DRIVEN SHAFT, COMPRISING ADJACENT PART ON A DRIVE AND DRIVEN SHAFTS RESPECTIVELY, CONNECTING MEANS CARRIED BY THE DRIVE SHAFT PART AND MOVABLE TOWARD AND AWAY FROM THE DRIVEN SHAFT PART, A SPRING NORMALLY URGING THE CONNECTING MEANS TOWARD THE DRIVEN SHAFT PART TO ESTABLISH A DRIVING CONNECTION BETWEEN THE PARTS, MEANS OPERABLE UPON A PRE-DETERMINED INCREASE IN THE LOAD ON THE DRIVEN SHAFT FOR OVERCOMING THE FORCE OF SAID SPRING AND M OVING THE CONNECTING MEANS OUT OF DRIVING ENGAGEMENT WITH THE DRIVEN PART, AND A LOCK-OUT DEVICE COMPRISING MEANS OPERABLE BY CENTRIFUGAL FORCE CREATED BY THE SPEED OF ROTION OF THE DRIVE SHAFT AND OPERABLE UPON MOVEMENT OF THE CONNECTING MEANS OUT OF DEIVENG ENGAGEMENT WITH THE DRIVEN PART UPON THE SAID INCREASE IN THE LOAD ON THE DRIVEN SHAFT TO LOCK THE CONNECTING MEANS IN POSITIONAWAY FROM THE DRIVEN SHAFT AGAINST THE FORCE OF THE SPRING.
Claim 2
Dependent Claim
159 words
A CLUTCH DEVICE FORCONNECTING AND DISCONNECTING A DRIVE SHAFT AND A DRIVEN SHAFT, COMPRISING ADJACENT PART ON A DRIVE AND DRIVEN SHAFTS RESPECTIVELY, CONNECTING MEANS CARRIED BY THE DRIVE SHAFT PART AND MOVABLE TOWARD AND AWAY FROM THE DRIVEN SHAFT PART, A SPRING NORMALLY URGING THE CONNECTING MEANS TOWARD THE DRIVEN SHAFT PART TO ESTABLISH A DRIVING CONNECTION BETWEEN THE PARTS, MEANS OPERABLE UPON A PRE-DETERMINED INCREASE IN THE LOAD ON THE DRIVEN SHAFT FOR OVERCOMING THE FORCE OF SAID SPRING AND M OVING THE CONNECTING MEANS OUT OF DRIVING ENGAGEMENT WITH THE DRIVEN PART, AND A LOCK-OUT DEVICE COMPRISING MEANS OPERABLE BY CENTRIFUGAL FORCE CREATED BY THE SPEED OF ROTION OF THE DRIVE SHAFT AND OPERABLE UPON MOVEMENT OF THE CONNECTING MEANS OUT OF DEIVENG ENGAGEMENT WITH THE DRIVEN PART UPON THE SAID INCREASE IN THE LOAD ON THE DRIVEN SHAFT TO LOCK THE CONNECTING MEANS IN POSITIONAWAY FROM THE DRIVEN SHAFT AGAINST THE FORCE OF THE SPRING.
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |