Patent US3267760A successfully refreshed from Google Patents.
US3267760A
Expired / Lapsed
US
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Transmissions
Assignee: Case LLC
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Filing: 1964-04-30
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Granted: 1966-08-23
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Expires: 1984-04-30
Abstract
No abstract record available.
Inventors
- 👤 Maurice H Wenning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:47
CPC Classifications
F; F16; F16H; F16H9/00; F16H9/02; F16H9/04; F16H9/12; F16H9/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A VARIABLE SPEED DRIVE OF THE TYPE INCLUDING A PAIR OF SPACED ROTATABLE SHAFTS, A COMPRESSIBLE V-BELT SHEAVE ON EACH SHAFT, AND A V-BELT ENGAGED ABOUT SAID SHEAVES; MEANS FOR COMPRESSING SAID V-BELT SHEAVES INCLUDING AN EXPANSIBLE THRUST BLOCK STRUCTURE CARRIED ON EACH SHAFT AND ENGAGED WITH ONE OF SAID V-BELT SHEAVES OPPOSED WEDGING MEANS CARRIED ON AND IN EXPANDING ENGAGEMENT WITH EACH OF SAID THRUST BLOCK STRUCTURES, AND MEANS CONNECTED TO SAID OPPOSED WEDGING MEANS AND CONSTITUTED TO EXPAND ONE OF SAID THRUST BLOCK STRUCTURES WHILE ALLOWING THE OTHER TO CONTRACT AND ROTARY MEANS FOR ACTUATING SAID WEDGING MEANS.
Claim 2
Dependent Claim
101 words
IN A VARIABLE SPEED DRIVE OF THE TYPE INCLUDING A PAIR OF SPACED ROTATABLE SHAFTS, A COMPRESSIBLE V-BELT SHEAVE ON EACH SHAFT, AND A V-BELT ENGAGED ABOUT SAID SHEAVES; MEANS FOR COMPRESSING SAID V-BELT SHEAVES INCLUDING AN EXPANSIBLE THRUST BLOCK STRUCTURE CARRIED ON EACH SHAFT AND ENGAGED WITH ONE OF SAID V-BELT SHEAVES OPPOSED WEDGING MEANS CARRIED ON AND IN EXPANDING ENGAGEMENT WITH EACH OF SAID THRUST BLOCK STRUCTURES, AND MEANS CONNECTED TO SAID OPPOSED WEDGING MEANS AND CONSTITUTED TO EXPAND ONE OF SAID THRUST BLOCK STRUCTURES WHILE ALLOWING THE OTHER TO CONTRACT AND ROTARY MEANS FOR ACTUATING SAID WEDGING MEANS.
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |