US3244259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric brake mechanism
Assignee: Motor Wheel Corp
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Filing: 1964-01-31
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Granted: 1966-04-05
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Expires: 1984-01-31
Abstract
No abstract record available.
Inventors
- 👤 Iii Alcxander Brede
- 👤 Lawrence J Maher
- 👤 Charles E Schalla
- 👤 Elvin E Tuttle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:49
CPC Classifications
F; F16; F16D; F16D51/00; F16D2121/00; F16D2121/18; F16D2121/20; F16D2127/00; F16D2127/08; F16D2127/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
IN AN ELECTRIC BRAKE MECHANISM THE COMBINATION COMPRISING AN ARMATURE ADAPTED TO BE ROTATED ABOUT AN AXIS, A LEVER HAVING AN ARM EXTENDING THEREFROM GENERALLY PARALLEL TO SAID AXIS TOWARD SAID ARMATURE, AN ELECTROMAGNET HAVING A FRICTION FACE AND AN INTERNAL WALL DEFINING AN OPENING IN SAID ELECTROMAGNET EXTENDING TRANSVERSE TO SAID FACE, SAID ARM EXTENDING INTO SAID OPENING AND SUPPORTING SAID ELECTROMAGNET THEREON, SAID ARM AND SAID WALL EACH HAVING A NON-CIRCULAR CONFIGURATION IN A PLANE TRANSVERSE TO SAID ARM PROVIDING A PREDETERMINED ANGULAR CLEARANCE IN SAID PLANE BETWEEN SAID WALL AND ARM TO PERMIT LIMITED ROTATION OF SAID ELECTROMAGNET ON SAID ARM BETWEEN END LIMITS AS DEFINED BY NON-ROTATABLE ENGAGEMENT OF SAID ARM AND WALL, AND MEANS ADAPTED TO MAINTAIN SAID ELECTROMAGNET WITH ITS FRICTION FACE IN RUBBING CONTACT WITH SAID ARMATURE.
Claim 2
Dependent Claim
134 words
IN AN ELECTRIC BRAKE MECHANISM THE COMBINATION COMPRISING AN ARMATURE ADAPTED TO BE ROTATED ABOUT AN AXIS, A LEVER HAVING AN ARM EXTENDING THEREFROM GENERALLY PARALLEL TO SAID AXIS TOWARD SAID ARMATURE, AN ELECTROMAGNET HAVING A FRICTION FACE AND AN INTERNAL WALL DEFINING AN OPENING IN SAID ELECTROMAGNET EXTENDING TRANSVERSE TO SAID FACE, SAID ARM EXTENDING INTO SAID OPENING AND SUPPORTING SAID ELECTROMAGNET THEREON, SAID ARM AND SAID WALL EACH HAVING A NON-CIRCULAR CONFIGURATION IN A PLANE TRANSVERSE TO SAID ARM PROVIDING A PREDETERMINED ANGULAR CLEARANCE IN SAID PLANE BETWEEN SAID WALL AND ARM TO PERMIT LIMITED ROTATION OF SAID ELECTROMAGNET ON SAID ARM BETWEEN END LIMITS AS DEFINED BY NON-ROTATABLE ENGAGEMENT OF SAID ARM AND WALL, AND MEANS ADAPTED TO MAINTAIN SAID ELECTROMAGNET WITH ITS FRICTION FACE IN RUBBING CONTACT WITH SAID ARMATURE.
References Cited (Backward Citations)
FR1026519A
Cited
US3134463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |