Patent US3177978A successfully refreshed from Google Patents.
US3177978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake vibration eliminator
Assignee: Old Carco LLC
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Filing: 1962-04-02
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Granted: 1965-04-13
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Expires: 1982-04-02
Abstract
No abstract record available.
Inventors
- 👤 Weltyk Stephan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:00
CPC Classifications
F; F16; F16D; F16D51/00; F16D51/16; F16D51/18; F16D65/00; F16D65/02; F16D65/04; F16D65/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A BRAKE MECHANISM COMPRISING A SUPPORT, A BRAKE SHOE MOVABLY MOUNTED ON SAID SUPPORT HAVING A FIRST PORTION ARRANGED TO REACT AGAINST SAID SUPPORT AND A SECONE SPACED PORTION CONNECTED TO A BRAKE SHOE ACTUATING MEANS, AND A LINKAGE INTERCONNECTING SAID BRAKE SHOE SECOND PORTION WITH SAID SHOE ACTUATING MEANS, SAID LINKAGE COMPRISING A RIGID THRUST LINK HAVING A RESILIENT SLEEVE SURROUNDING THE END PORTION THEREOF THAT IS ENGAGEABLE WITH THE EDGE ACTUATING MEANS, SAID RESILIENT SLEEVE NORMALLY PROJECTING BEYOND THE SAID LINK END PORTION AND BEING ARRANGED FOR A PREDETERMINED DEFORMATION DURING INITIAL BRAKE APPLICATION AFTER WHICH SAID SHOE THRUST LINK BY-PASSES SAID RESILIENT SLEEVE AND BECOMES RIGIDLY CONNECTED TO SAID SHOE ACTUATING MEANS.
Claim 2
Dependent Claim
116 words
IN A BRAKE MECHANISM COMPRISING A SUPPORT, A BRAKE SHOE MOVABLY MOUNTED ON SAID SUPPORT HAVING A FIRST PORTION ARRANGED TO REACT AGAINST SAID SUPPORT AND A SECONE SPACED PORTION CONNECTED TO A BRAKE SHOE ACTUATING MEANS, AND A LINKAGE INTERCONNECTING SAID BRAKE SHOE SECOND PORTION WITH SAID SHOE ACTUATING MEANS, SAID LINKAGE COMPRISING A RIGID THRUST LINK HAVING A RESILIENT SLEEVE SURROUNDING THE END PORTION THEREOF THAT IS ENGAGEABLE WITH THE EDGE ACTUATING MEANS, SAID RESILIENT SLEEVE NORMALLY PROJECTING BEYOND THE SAID LINK END PORTION AND BEING ARRANGED FOR A PREDETERMINED DEFORMATION DURING INITIAL BRAKE APPLICATION AFTER WHICH SAID SHOE THRUST LINK BY-PASSES SAID RESILIENT SLEEVE AND BECOMES RIGIDLY CONNECTED TO SAID SHOE ACTUATING MEANS.
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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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |