US3118660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torsion spring
Assignee: Individual
•
Filing: 1963-09-27
•
Granted: 1964-01-21
•
Expires: 1983-09-27
Abstract
No abstract record available.
Inventors
- 👤 Stanley A Saniewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:21
CPC Classifications
B; B60; B60G; B60G21/00; B60G21/02; B60G21/04; B60G21/05; B60G21/055; B60G21/0551; B60G21/0553; B60G17/00; B60G17/02; B60G17/025; B60G21/0556; F; F16; F16F; F16F1/00; F16F1/02; F16F1/14; F16F1/16; B60G2204/00; B60G2204/10; B60G2204/12; B60G2204/122; B60G2204/1224; B60G2204/40; B60G2204/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A SPRING DEVICE ADAPTED TO CONVERT LINEARLY RECIPROCATING MOTION TO TORSIONAL ROTATION, COMPRISING A PAIR OF CYLINDRICAL MEMBERS HAVING MATING, CIRCULARLY-DISPOSED CAM TRACKS ON END FACES, AN ELASTIC TORSION SHAFT ARRANGED GENERALLY AXIALLY OF SAID MEMBERS, AND WITH AT LEAST ONE END SLIDABLY MOUNTED IN ONE OF SAID MEMBERS, FOR RELATIVE MOVEMENT AXIALLY THEREOF, AND MEANS RESTRAINING ROTATION OF SAID SHAFT WITH RESPECT TO SAID MEMBERS, SAID CAM TRACKS BEING OFFSET FROM FULL MATING POSITION IN THE CONDITION OF ZERO TORSIONAL STRESS IN THE SHAFT.
Claim 2
Dependent Claim
85 words
A SPRING DEVICE ADAPTED TO CONVERT LINEARLY RECIPROCATING MOTION TO TORSIONAL ROTATION, COMPRISING A PAIR OF CYLINDRICAL MEMBERS HAVING MATING, CIRCULARLY-DISPOSED CAM TRACKS ON END FACES, AN ELASTIC TORSION SHAFT ARRANGED GENERALLY AXIALLY OF SAID MEMBERS, AND WITH AT LEAST ONE END SLIDABLY MOUNTED IN ONE OF SAID MEMBERS, FOR RELATIVE MOVEMENT AXIALLY THEREOF, AND MEANS RESTRAINING ROTATION OF SAID SHAFT WITH RESPECT TO SAID MEMBERS, SAID CAM TRACKS BEING OFFSET FROM FULL MATING POSITION IN THE CONDITION OF ZERO TORSIONAL STRESS IN THE SHAFT.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |