US3354735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traction-face arrangement for drum-type pulleys
Assignee: HOLZ RUBBER Co
•
Filing: 1966-02-07
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Granted: 1967-11-28
•
Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 William G Holz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:43
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02; B65G39/07; F; F16; F16H; F16H55/00; F16H55/32; F16H55/36; F16H55/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A TRACTION-FACE STRUCTURE, FOR A SMOOTH-FACE BELTDRIVING PULLEY, COMPRISING APLURALITY OF INITIALLY SEPARATE TRACTION SECTION EACH EXTENDING CIRCUMFERENTIALLY OF THE PULLEY SO THAT TOGETHER THEY SUBSTANTIALLY COMPLETELY SURROUND THE PULLEY, AND MEANS REMOVABLY HOLDING EACH SECTION IN POSITION ON THE PULLEY INDEPENDENTLY OF THE OTHER SECTION; EACH SECTION COMPRISING A PAD OF TRACTION MATERAIL AND A RIGID BACKING PLATE ON WHICH THE PAD IS SECURED, THE PLATE EXTENDING BEYOND THE EDGES OF THE PAD CIRCUMFERENTIALLY OF THE PULLEY TO PROVIDE PROJECTING FLANGES; SAID MEANS INCLUDING A STRIP MEMBER EXTENDING TRANSVERSELY
Claim 2
Dependent Claim
90 words
A TRACTION-FACE STRUCTURE, FOR A SMOOTH-FACE BELTDRIVING PULLEY, COMPRISING APLURALITY OF INITIALLY SEPARATE TRACTION SECTION EACH EXTENDING CIRCUMFERENTIALLY OF THE PULLEY SO THAT TOGETHER THEY SUBSTANTIALLY COMPLETELY SURROUND THE PULLEY, AND MEANS REMOVABLY HOLDING EACH SECTION IN POSITION ON THE PULLEY INDEPENDENTLY OF THE OTHER SECTION; EACH SECTION COMPRISING A PAD OF TRACTION MATERAIL AND A RIGID BACKING PLATE ON WHICH THE PAD IS SECURED, THE PLATE EXTENDING BEYOND THE EDGES OF THE PAD CIRCUMFERENTIALLY OF THE PULLEY TO PROVIDE PROJECTING FLANGES; SAID MEANS INCLUDING A STRIP MEMBER EXTENDING TRANSVERSELY
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |