Patent US3551656A successfully refreshed from Google Patents.
US3194358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slack adjuster
Assignee: AMERICAN SAB CO Inc
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Filing: 1964-01-09
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Granted: 1965-07-13
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Expires: 1984-01-09
Abstract
No abstract record available.
Inventors
- 👤 Ake J Brandt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:24
CPC Classifications
B; B61; B61H; B61H15/00; B61H15/0035; B61H15/0042; B61H15/0057
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
AN AUTOMATIC SLACK ADJUSTER FOR BRAKES, COMPRISING AN ELONGATED HOUSING, A FRONT ROD APART EXTENDING INTO SAID HOUSING FROM THE FRONT END THEREOF, A REAR ROD PART EXTENDING INTO SAID HOUSING FROM THE REAR END THEREOF AND BEING CONSTRUCTED WITH A STEEP SCREW THREAD, A LOCKING NUT AND A FEEDING NUT ON SAID SCREW THREAD, SAID LOCKING NUT BEING FORWARDLY ROTATIONALLY ENGAGEABLE AND REARWARDLY CLUTCHABLY ENGAGEABLE WITH SAID FRONT ROD PART, SAID FEEDING NUT BEING FORWARLDY CLUTCHABLY ENGAGEABLE WITH SAID LOCKING NUT AND REARWARDLY ROTATIONALLY ENGAGEABLE WITH SAID FRONT ROD PART, A COUPLING MEMBER SLIDABLY MOUNTED ON SAID FEEDING NUT, A BIASING SPRING URGING SAID COUPLING MEMBER REARWARDLY RELATIVE TO SAID FEEDING NUT, BALL MEANS ENGAGEABLE BETWEEN SAID COUPLING MEMBER AND SAID FRONT ROD PART, MEANS FOR RELEASING SAID BALL MEANS FROM SUCH ENGAGEMENT UPON FORWARD DISPLACEMTN OF SAID FRONT ROD PART RELATIVE TO SAID HOUSING, A FEEDING MEMBER REARWARDLY CLUTCHABLY ENGAGEABLE WITH SAID HOUSING AND WITH SAID FEEDING NUT AND FORWARDLY ROTATIONALLY ENGAGEABLE WITH SAID HOUSING, A BIASING SPRING URGING SAID HOUSING FORWARDS RELATIVE TO SAID FIRST ROD PART, AND AN EXTERNAL REFERENCE STOP FORWARDLY ENGAGEABLE BY SAID HOUSING.
Claim 2
Dependent Claim
190 words
AN AUTOMATIC SLACK ADJUSTER FOR BRAKES, COMPRISING AN ELONGATED HOUSING, A FRONT ROD APART EXTENDING INTO SAID HOUSING FROM THE FRONT END THEREOF, A REAR ROD PART EXTENDING INTO SAID HOUSING FROM THE REAR END THEREOF AND BEING CONSTRUCTED WITH A STEEP SCREW THREAD, A LOCKING NUT AND A FEEDING NUT ON SAID SCREW THREAD, SAID LOCKING NUT BEING FORWARDLY ROTATIONALLY ENGAGEABLE AND REARWARDLY CLUTCHABLY ENGAGEABLE WITH SAID FRONT ROD PART, SAID FEEDING NUT BEING FORWARLDY CLUTCHABLY ENGAGEABLE WITH SAID LOCKING NUT AND REARWARDLY ROTATIONALLY ENGAGEABLE WITH SAID FRONT ROD PART, A COUPLING MEMBER SLIDABLY MOUNTED ON SAID FEEDING NUT, A BIASING SPRING URGING SAID COUPLING MEMBER REARWARDLY RELATIVE TO SAID FEEDING NUT, BALL MEANS ENGAGEABLE BETWEEN SAID COUPLING MEMBER AND SAID FRONT ROD PART, MEANS FOR RELEASING SAID BALL MEANS FROM SUCH ENGAGEMENT UPON FORWARD DISPLACEMTN OF SAID FRONT ROD PART RELATIVE TO SAID HOUSING, A FEEDING MEMBER REARWARDLY CLUTCHABLY ENGAGEABLE WITH SAID HOUSING AND WITH SAID FEEDING NUT AND FORWARDLY ROTATIONALLY ENGAGEABLE WITH SAID HOUSING, A BIASING SPRING URGING SAID HOUSING FORWARDS RELATIVE TO SAID FIRST ROD PART, AND AN EXTERNAL REFERENCE STOP FORWARDLY ENGAGEABLE BY SAID HOUSING.
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |