US3127818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake operating mechanism
Assignee: Studebaker Worthington Inc
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Filing: 1961-07-31
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Granted: 1964-04-07
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Expires: 1981-07-31
Abstract
No abstract record available.
Inventors
- 👤 Oliver B Cruse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:49
CPC Classifications
B; B60; B60T; B60T17/00; B60T17/08; B60T17/083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN A BRAKE OPERATING MECHANISM OF THE TYPE DESCRIBED, INCLUDING POWER MEANS FOR NORMALLY EFFECTING BRAKE ACTUATION IN RESPONSE TO OPERATOR METERED FLUID PRESSURE FROM A SOURCE, AND RESILIENTLY URGED MEANS NORMALLY RENDERED INOPERATIVE BY FLUID PRESSURE FROM SAID SOURCE AND ADAPTED TO MOVE TOWARD SAID POWER MEANS TO EFFECT EMERGENCY BRAKE ACTUATION UPON A PREDETERMINED LOSS OF FLUID PRESSURE ACTING THEREON, THE COMBINATION OF MOVABLE PISTON MEANS INTERMEDIATE TO SAID POWER MEANS AND RESILIENTLY URGED MEANS, MEANS FOR NORMALLY MAINTAINING SAID PISTON MEANS IN FIXED POSITION ADJACENT TO SAID POWER MEANS, SAID PISTON MEANS BEING URGED TO MOVE IN RESPONSE TO OPERATOR METERED FLUID PRESSURE TO OPPOSE THE MOVEMENT OF SAID RESILIENTLY URGED MEANS UPON SAID PREDETERMINED LOSS OF FLUID PRESSURE.
Claim 2
Dependent Claim
122 words
IN A BRAKE OPERATING MECHANISM OF THE TYPE DESCRIBED, INCLUDING POWER MEANS FOR NORMALLY EFFECTING BRAKE ACTUATION IN RESPONSE TO OPERATOR METERED FLUID PRESSURE FROM A SOURCE, AND RESILIENTLY URGED MEANS NORMALLY RENDERED INOPERATIVE BY FLUID PRESSURE FROM SAID SOURCE AND ADAPTED TO MOVE TOWARD SAID POWER MEANS TO EFFECT EMERGENCY BRAKE ACTUATION UPON A PREDETERMINED LOSS OF FLUID PRESSURE ACTING THEREON, THE COMBINATION OF MOVABLE PISTON MEANS INTERMEDIATE TO SAID POWER MEANS AND RESILIENTLY URGED MEANS, MEANS FOR NORMALLY MAINTAINING SAID PISTON MEANS IN FIXED POSITION ADJACENT TO SAID POWER MEANS, SAID PISTON MEANS BEING URGED TO MOVE IN RESPONSE TO OPERATOR METERED FLUID PRESSURE TO OPPOSE THE MOVEMENT OF SAID RESILIENTLY URGED MEANS UPON SAID PREDETERMINED LOSS OF FLUID PRESSURE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |