Patent US3237434A successfully refreshed from Google Patents.
US3237434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permutation lock with changeable combination
Assignee: JACKES EVANS Manufacturing Co
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Filing: 1963-04-29
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Granted: 1966-03-01
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Expires: 1983-04-29
Abstract
No abstract record available.
Inventors
- 👤 Stanley F Jackes
- 👤 Jack R Clemeans
- 👤 Clifford E Evanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:19
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/0031; E05B37/0034; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7147; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7237; Y10T70/726; Y10T70/7266; Y10T70/7271; Y10T70/7288; Y10T70/7299; Y10T70/7322; Y10T70/7328; Y10T70/7333
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A PERMUTATION LOCK COMPRISING A LOCK CASING, A LOCK ELEMENT RECIPROCALLY MOUNTED IN THE CASING, A MAIN SHAFT RECIPROCALLY AND ROTATABLY MOUNTED IN THE CASING, A PLURALITY OF TUMBLER ASSEMBLIES ROTATABLY MOUNTED ON THE SHAFT, EACH TUBULAR ASSEMBLY COMPRISING , AN INDEX SPACER HAVING A NOTCH IN ITS EDGE FOR RECEIVING A FLANGE ON THE LOCK ELEMENT WHEN IN UNLOCKING POSITION, AN INDEX LEVER HAVING A COMBINATION SET LEVER AND A REST LEVER ON ITS PERIPHERAL EDGE, AND MEANS FOR ADJUSTABLY COUPLING THE INDEX SPACER AND THE INDEX LEVER SO THAT THE ANGULAR RELATION BETWEEN THE SPACER NOTCH AND THE COMBINATION SET LEVER IS VARIED, MEANS FOR UNCOUPLING THE INDEX SPACER AND THE INDES LEVER WHEN THE MAIN SHAFT IS MOVED INWARDLY AWAY FROM ITS NORMAL POSITION TOWARD THE TUMBLUR ASSEMBLIES, MEANS FOR FIXING AGAINST ROTATION ONE OF THE INDEX SPACER AND THE INDEX LEVER IN UNCOUPLED POSITION, MEANS FOR ROTATING THE OUTER OF THE INDEX SPACER AND THE INDEX LEVER TO ADJUST THE ANGULAR RELATION BETWEEN THE COMBINATION SET LEVER AND THE NOTCH, AN D MEANS FOR RECIPROCATING THE MAIN SHAFT.
Claim 2
Dependent Claim
182 words
A PERMUTATION LOCK COMPRISING A LOCK CASING, A LOCK ELEMENT RECIPROCALLY MOUNTED IN THE CASING, A MAIN SHAFT RECIPROCALLY AND ROTATABLY MOUNTED IN THE CASING, A PLURALITY OF TUMBLER ASSEMBLIES ROTATABLY MOUNTED ON THE SHAFT, EACH TUBULAR ASSEMBLY COMPRISING , AN INDEX SPACER HAVING A NOTCH IN ITS EDGE FOR RECEIVING A FLANGE ON THE LOCK ELEMENT WHEN IN UNLOCKING POSITION, AN INDEX LEVER HAVING A COMBINATION SET LEVER AND A REST LEVER ON ITS PERIPHERAL EDGE, AND MEANS FOR ADJUSTABLY COUPLING THE INDEX SPACER AND THE INDEX LEVER SO THAT THE ANGULAR RELATION BETWEEN THE SPACER NOTCH AND THE COMBINATION SET LEVER IS VARIED, MEANS FOR UNCOUPLING THE INDEX SPACER AND THE INDES LEVER WHEN THE MAIN SHAFT IS MOVED INWARDLY AWAY FROM ITS NORMAL POSITION TOWARD THE TUMBLUR ASSEMBLIES, MEANS FOR FIXING AGAINST ROTATION ONE OF THE INDEX SPACER AND THE INDEX LEVER IN UNCOUPLED POSITION, MEANS FOR ROTATING THE OUTER OF THE INDEX SPACER AND THE INDEX LEVER TO ADJUST THE ANGULAR RELATION BETWEEN THE COMBINATION SET LEVER AND THE NOTCH, AN D MEANS FOR RECIPROCATING THE MAIN 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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |