US3332518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disc brake caliper having an outwardly actuated wheel cylinder
Assignee: Motors Liquidation Co
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Filing: 1965-02-04
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Granted: 1967-07-25
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Expires: 1985-02-04
Abstract
No abstract record available.
Inventors
- 👤 Reginald H North
- 👤 John W Stafford
- 👤 Walter H Zimmerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:07
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/225; F16D55/2255
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A DISC BRAKE MECHANISM COMPRISING: DISC MEANS CARRIED BY A VEHICLE WHEEL AND ARRANGED TO ROTATE THEREWITH; SUPPORT MEANS CARRIED BY A NON-ROTATABLE PORTION OF THE VEHICLE WHEEL AND INCLUDING A PIVOT PORTION; SCISSOR MEANS PIVOTALLY SUPPORTED ON SAID PIVOT PORTION OF THE SUPPORT MEANS AND ARRANGED IN CALIPER FASHION AROUND A PORTION OF THE PERIPHERY OF THE DISC MEANS; FLUID PRESSURE MEANS HAVING A HOUSING FORMED INTEGRALLY WITH SAID SCISSOR MEANS AND HAVING AN OUTPUT PORTION DRIVABLY ENGAGING SAID SCISSOR MEANS DIRECTLY; AND FRICTION MEANS CARRIED BY SAID SCISSOR MEANS AND SAID FLUID PRESSURE MEANS ON OPPOSITE SIDES OF SAID DISC MEANS AND SAID HOUSING LATERALLY MOVABLE TO DRIVE SAID SCISSOR MEANS IN RESPONSE TO A PRESSURE BUILD-UP IN SAID FLUID PRESSURE MEANS TO PROVIDE A BRAKING ACTION FOR THE VEHICLE WHEEL.
Claim 2
Dependent Claim
133 words
A DISC BRAKE MECHANISM COMPRISING: DISC MEANS CARRIED BY A VEHICLE WHEEL AND ARRANGED TO ROTATE THEREWITH; SUPPORT MEANS CARRIED BY A NON-ROTATABLE PORTION OF THE VEHICLE WHEEL AND INCLUDING A PIVOT PORTION; SCISSOR MEANS PIVOTALLY SUPPORTED ON SAID PIVOT PORTION OF THE SUPPORT MEANS AND ARRANGED IN CALIPER FASHION AROUND A PORTION OF THE PERIPHERY OF THE DISC MEANS; FLUID PRESSURE MEANS HAVING A HOUSING FORMED INTEGRALLY WITH SAID SCISSOR MEANS AND HAVING AN OUTPUT PORTION DRIVABLY ENGAGING SAID SCISSOR MEANS DIRECTLY; AND FRICTION MEANS CARRIED BY SAID SCISSOR MEANS AND SAID FLUID PRESSURE MEANS ON OPPOSITE SIDES OF SAID DISC MEANS AND SAID HOUSING LATERALLY MOVABLE TO DRIVE SAID SCISSOR MEANS IN RESPONSE TO A PRESSURE BUILD-UP IN SAID FLUID PRESSURE MEANS TO PROVIDE A BRAKING ACTION FOR THE VEHICLE WHEEL.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |