Patent US3568292A successfully refreshed from Google Patents.
US3568292A
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US
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Device for assembling valve parts
Assignee: Inter Lakes Engineering Co
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Filing: 1969-08-15
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Granted: 1971-03-09
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Expires: 1989-08-15
Abstract
Abstract A MACHINE FOR AUTOMATICALLY ASSEMBLING O-RINGS AND SPRING RETAINER LOCKING KEYS ON VALVE STEMS OF INTERNAL COMBUSTION ENGINES. A CYLINDER HEAD CARRYING VALVES IS ADVANCED TO A STATION WHERE, WITH THE VALVE SPRING RETAINERS HELD DOWN, THE HEAD IS ROCKED TO A POSITION FOR RECEIVING THE O-RINGS. THESE ARE PICKED UP BY SPINDLES WHICH ROCK BETWEEN O-RING PICK-UP AND MOUNTING POSITIONS. THE HEAD IS THEN SWUNG BACK TO A POSITION TO RECEIVE THE KEYS. PAIRS OF KEYS ARE FED ONTO THE INNER OF TWO TELESCOPING QUILLS AND MAGNETICALLY HELD THEREON WHILE THE QUILLS RECIPROCATE TO MOUNT THE KEYS IN PLACE.
Inventors
- 👤 Cass S Kasper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:14
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/04; B23P19/042; B23P19/045; F; F01; F01L; F01L1/00; F01L1/46; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53313; Y10T29/53365; Y10T29/53378; Y10T29/53383; Y10T29/53391; Y10T29/53552; Y10T29/53561; Y10T29/53565; Y10T29/53657; Y10T29/53796; Y10T29/53817
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |