US3305064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Braking devices
Assignee: Westinghouse Electric Corp
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Filing: 1962-12-12
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Granted: 1967-02-21
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Expires: 1982-12-12
Abstract
No abstract record available.
Inventors
- 👤 Clyde M Mullis
- 👤 Larry P Tosato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:51
CPC Classifications
B; B62; B62B; B62B5/00; B62B5/04; B62B5/0404; B62B5/0428; B60; B60B; B60B33/00; B60B33/02; B60B33/021; B60T; B60T1/00; B60T1/12; B60T1/14; B62B5/02; B60B2200/00; B60B2200/40; B60B2200/43; B60B2200/432; B62B5/049
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN A STRUCTURE ADAPTED TO BE CARRIED BY A PLURALITY OF SPACED FIRST CLEATS, A WHEEL FOR SUPPORTING SAID STRUCTURE, MEANS MOUNTING SAID WHEEL ON SAID STRUCTURE FOR ROTATION ABOUT ITS AXIS, SAID WHEEL HAVING A PLURALITY OF SIMILAR CIRCUMFERENTIAL RIBS CONCENTRIC ABOUT SAID AXIS ADJACENT RIBS BEING SEPARATED BY A CONTINUOUS GROOVE, SAID RIBS BEING ADAPTED TO INTERMESH WITH ADJACENT FIRST CLEATS, AND BRAKING MEANS AUTOMATICALLY ENGAGING A PART OF SAID FIRST CLEATS UPON OCCURRENCE OF SUCH INTERMESH FOR RESTRAINING MOVEMENT OF SAID STRUCTURE RELATIVE TO SAID FIRST CLEATS, SAID BRAKING MEANS HAVING A BRAKING SURFACE SPACED ABOVE THE LOWEST POINT ON SAID WHEEL BY A DISTANCE LESS THAN THE DEPTH OF SAID GROOVE.
Claim 2
Dependent Claim
115 words
IN A STRUCTURE ADAPTED TO BE CARRIED BY A PLURALITY OF SPACED FIRST CLEATS, A WHEEL FOR SUPPORTING SAID STRUCTURE, MEANS MOUNTING SAID WHEEL ON SAID STRUCTURE FOR ROTATION ABOUT ITS AXIS, SAID WHEEL HAVING A PLURALITY OF SIMILAR CIRCUMFERENTIAL RIBS CONCENTRIC ABOUT SAID AXIS ADJACENT RIBS BEING SEPARATED BY A CONTINUOUS GROOVE, SAID RIBS BEING ADAPTED TO INTERMESH WITH ADJACENT FIRST CLEATS, AND BRAKING MEANS AUTOMATICALLY ENGAGING A PART OF SAID FIRST CLEATS UPON OCCURRENCE OF SUCH INTERMESH FOR RESTRAINING MOVEMENT OF SAID STRUCTURE RELATIVE TO SAID FIRST CLEATS, SAID BRAKING MEANS HAVING A BRAKING SURFACE SPACED ABOVE THE LOWEST POINT ON SAID WHEEL BY A DISTANCE LESS THAN THE DEPTH OF SAID GROOVE.
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) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |