US3118074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring take-up device
Assignee: Clevite Corp
•
Filing: 1960-05-03
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Granted: 1964-01-14
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Expires: 1980-05-03
Abstract
No abstract record available.
Inventors
- 👤 Robert H Josephson
- 👤 Charles B Small
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:52
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/28; F23Q2/285; F23Q2/287; F02; F02P; F02P3/00; F02P3/12; F23Q3/00; F23Q3/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A TAKE-UP DEVICE COMPRISING, IN COMBINATION, A BASE MEMBER, A SEPARATE MEMBER IN ASSEMBLED RELATION WITH SAID BASE MEMBER, SCREW THREAD MEANS COMPRISING A NUT AND A SCREW IN FORCE TRANSMITTING RELATION WITH BOTH OF SAID MEMBERS AND ADAPTED UPON RELATIVE TURNING BETWEEN SAID NUT AND SAID SCREW TO ESTABLISH A GIVEN TENSIONCOMPRESSION RELATION BETWEEN SAID TWO MEMBERS, AND STRESSED SPRING MEANS IN ENGAGEMENT WITH ONE OF SAID MEMBERS AND IN ENGAGEMENT WITH SAID SCREW FOR TURNING SAID SCREW IN RESPECT TO SAID NUT TO ESTABLISH AND MAINTAIN SUBSTANTIALLY SAID GIVEN TENSION-COMPRESSION RELATION BETWEEN SAID TWO MEMBERS, EVEN THOUGH ONE MEMBER MIGHT EXPAND AND THE OTHER MIGHT CONTRACT, AND IN SPITE OF VARIATIONS IN MANUFACTURING TOLERANCES.
Claim 2
Dependent Claim
116 words
A TAKE-UP DEVICE COMPRISING, IN COMBINATION, A BASE MEMBER, A SEPARATE MEMBER IN ASSEMBLED RELATION WITH SAID BASE MEMBER, SCREW THREAD MEANS COMPRISING A NUT AND A SCREW IN FORCE TRANSMITTING RELATION WITH BOTH OF SAID MEMBERS AND ADAPTED UPON RELATIVE TURNING BETWEEN SAID NUT AND SAID SCREW TO ESTABLISH A GIVEN TENSIONCOMPRESSION RELATION BETWEEN SAID TWO MEMBERS, AND STRESSED SPRING MEANS IN ENGAGEMENT WITH ONE OF SAID MEMBERS AND IN ENGAGEMENT WITH SAID SCREW FOR TURNING SAID SCREW IN RESPECT TO SAID NUT TO ESTABLISH AND MAINTAIN SUBSTANTIALLY SAID GIVEN TENSION-COMPRESSION RELATION BETWEEN SAID TWO MEMBERS, EVEN THOUGH ONE MEMBER MIGHT EXPAND AND THE OTHER MIGHT CONTRACT, AND IN SPITE OF VARIATIONS IN MANUFACTURING TOLERANCES.
References Cited (Backward Citations)
US1631878A
Cited
US1962057A
Cited
US2216966A
Cited
US2649488A
Cited
US2959159A
Cited
US2954506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |