US3135369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake for window shades or blinds
Assignee: Individual
•
Filing: 1960-03-15
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Granted: 1964-06-02
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Expires: 1980-03-15
Abstract
No abstract record available.
Inventors
- 👤 Nisenson Jules
- 👤 Stanley D Barnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:52
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/56; E06B9/80; E06B9/82; E06B9/90; E06B2009/905; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/2066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
IMPROVED BRAKE MEANS FOR CONTROLLING ROTATIONAL MOTION OF A WINDOW SHADE ROLLER, COMPRISING; A FIRST SHAFT, MEANS FOR MAINTAINING SAID SHAFT AGAINST ROTATION, A COIL SPRING SURROUNDING SAID SHAFT, SAID SPRING HAVING A NORMAL CONSTRICTIVE FORCE SUFFICIENT TO PREVENT RELATIVE MOTION BETWEEN SAID SHAFT AND SAID SPRING, SAID SPRING HAVING FIRST AND SECOND END PORTIONS EXTENDING AXIALLY AWAY FROM THE COIL PORTION OF SAID SPRING; A FIRST HOUSING MEMBER RELATIVELY MOVABLY MOUNTED ON ONE END OF SAID SHAFT AND AT LEAST PARTIALLY SURROUNDING SAID SPRING; SAID FIRST HOUSING MEMBER HAVING AN OPENING THEREIN ENGAGING A FIRST END PORTION OF SAID SPRING, SAID FIRST HOUSING MEMBER HAVING A SUBSTANTIALLY PERIPHERALLY DISPOSED AXIALLY EXTENDING PROJECTION THEREON POSITIONED SUBSTANTIALLY PARALLEL TO AND COEXTENSIVE WITH SAID SECOND END OF SAID SPRING; A SECOND HOUSING MEMBER AT LEAST PARTIALLY SURROUNDING SAID FIRST HOUSING MEMBER, AND HAVING LOST MOTION MEANS ENGAGING SAID SECOND END OF SAID SPRING AND SAID PROJECTION ON SAID HOUSING; SAID SECOND HOUSING MEMBER HAVING A HOLLOW SHAFT AT LEAST PARTIALLY SURROUNDING SAID FIRST SHAFT IN CONCENTRIC DISPOSITION, AND MOTION-IMPARTING MEANS SUPPORTED BY SAID HOLLOW SHAFT AND HAVING LOST MOTION MEANS ENGAGING SAID SECOND END PORTION OF SAID SPRING AND SAID PROJECTION ON SAID FIRST HOUSING MEMBER.
Claim 2
Dependent Claim
204 words
IMPROVED BRAKE MEANS FOR CONTROLLING ROTATIONAL MOTION OF A WINDOW SHADE ROLLER, COMPRISING; A FIRST SHAFT, MEANS FOR MAINTAINING SAID SHAFT AGAINST ROTATION, A COIL SPRING SURROUNDING SAID SHAFT, SAID SPRING HAVING A NORMAL CONSTRICTIVE FORCE SUFFICIENT TO PREVENT RELATIVE MOTION BETWEEN SAID SHAFT AND SAID SPRING, SAID SPRING HAVING FIRST AND SECOND END PORTIONS EXTENDING AXIALLY AWAY FROM THE COIL PORTION OF SAID SPRING; A FIRST HOUSING MEMBER RELATIVELY MOVABLY MOUNTED ON ONE END OF SAID SHAFT AND AT LEAST PARTIALLY SURROUNDING SAID SPRING; SAID FIRST HOUSING MEMBER HAVING AN OPENING THEREIN ENGAGING A FIRST END PORTION OF SAID SPRING, SAID FIRST HOUSING MEMBER HAVING A SUBSTANTIALLY PERIPHERALLY DISPOSED AXIALLY EXTENDING PROJECTION THEREON POSITIONED SUBSTANTIALLY PARALLEL TO AND COEXTENSIVE WITH SAID SECOND END OF SAID SPRING; A SECOND HOUSING MEMBER AT LEAST PARTIALLY SURROUNDING SAID FIRST HOUSING MEMBER, AND HAVING LOST MOTION MEANS ENGAGING SAID SECOND END OF SAID SPRING AND SAID PROJECTION ON SAID HOUSING; SAID SECOND HOUSING MEMBER HAVING A HOLLOW SHAFT AT LEAST PARTIALLY SURROUNDING SAID FIRST SHAFT IN CONCENTRIC DISPOSITION, AND MOTION-IMPARTING MEANS SUPPORTED BY SAID HOLLOW SHAFT AND HAVING LOST MOTION MEANS ENGAGING SAID SECOND END PORTION OF SAID SPRING AND SAID PROJECTION ON SAID FIRST HOUSING MEMBER.
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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |