US3147695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable stroke mechanism
Assignee: Individual
•
Filing: 1962-07-31
•
Granted: 1964-09-08
•
Expires: 1982-07-31
Abstract
No abstract record available.
Inventors
- 👤 Jules K Hyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:51
CPC Classifications
B; B30; B30B; B30B1/00; B30B1/26; B30B1/28; B30B15/00; B30B15/0029; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18216; Y10T83/00; Y10T83/869; Y10T83/8696; Y10T83/87
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
MECHANISM FOR VARYING THE LENGTH OF THE STROKE OF A RECIPROCATING MEMBER DRIVEN BY A ROTARY ECENTRIC FROM ZERO THROUGH AN INFINITE NUMBER OF DIFFERENT STROKE LENGTHS TO A PREDETERMINED MAXIMUM LENGTH, COMPRISING AN ECCENTRIC MEANS FOR ROTATING SAID ECENTRIC, A CRANK ARM, MEANS CONNECTING ONE END OF SAID CRANK ARM TO SAID ECCENTRIC FOR RECIPROCATION THEREBY, A LEVER ASSEMBLY MEANS PIVOTALLY CONNECTING ONE END OF SAID LEVER ASSEMBLY TO THE OTHER END OF SAID CRANK ARM, A PIVOT AT AN INTERMEDIATE POINT ON SAID LEVER ASSEMBLY, A MOVABLE FULCRUM FOR SAID LEVER ASSEMBLY NORMALLY POSITIONED BETWEEN SAID PIVOT AND THE OTHER END OF SAID LEVER ASSEMBLY, A LINK CONNECTED AT ONE END OF SAID PIVOT, A RECIPROCATING MEMBER PIVOTALLY CONNECTED TO THE OTHER END OF THE SAID LINK, AND MEANS FOR MOVING SAID FULCRUM FROM SAID OTHER END OF SAID LEVER ASSEMBLY TOWARDS AND AWAY FROM SAID PIVOT TO VARY THE STROKE OF SAID RECIPROCATING MEMBER FROM ZERO WHEN SAID FULCRUM IS CONCENTRIC WITH SAID PIVOT THROUGH AN INFINITE NUMBER OF STROKE LENGTHS TO MAXIMUM LENGTH WHEN SAID FULCRUM IS ADJACENT SAID OTHER END OF SAID LEVER ASSEMBLY.
Claim 2
Dependent Claim
189 words
MECHANISM FOR VARYING THE LENGTH OF THE STROKE OF A RECIPROCATING MEMBER DRIVEN BY A ROTARY ECENTRIC FROM ZERO THROUGH AN INFINITE NUMBER OF DIFFERENT STROKE LENGTHS TO A PREDETERMINED MAXIMUM LENGTH, COMPRISING AN ECCENTRIC MEANS FOR ROTATING SAID ECENTRIC, A CRANK ARM, MEANS CONNECTING ONE END OF SAID CRANK ARM TO SAID ECCENTRIC FOR RECIPROCATION THEREBY, A LEVER ASSEMBLY MEANS PIVOTALLY CONNECTING ONE END OF SAID LEVER ASSEMBLY TO THE OTHER END OF SAID CRANK ARM, A PIVOT AT AN INTERMEDIATE POINT ON SAID LEVER ASSEMBLY, A MOVABLE FULCRUM FOR SAID LEVER ASSEMBLY NORMALLY POSITIONED BETWEEN SAID PIVOT AND THE OTHER END OF SAID LEVER ASSEMBLY, A LINK CONNECTED AT ONE END OF SAID PIVOT, A RECIPROCATING MEMBER PIVOTALLY CONNECTED TO THE OTHER END OF THE SAID LINK, AND MEANS FOR MOVING SAID FULCRUM FROM SAID OTHER END OF SAID LEVER ASSEMBLY TOWARDS AND AWAY FROM SAID PIVOT TO VARY THE STROKE OF SAID RECIPROCATING MEMBER FROM ZERO WHEN SAID FULCRUM IS CONCENTRIC WITH SAID PIVOT THROUGH AN INFINITE NUMBER OF STROKE LENGTHS TO MAXIMUM LENGTH WHEN SAID FULCRUM IS ADJACENT SAID OTHER END OF SAID LEVER ASSEMBLY.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |