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Patent US3180164A successfully refreshed from Google Patents.
US3180164A
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Variable speed sheave
Assignee: Dodge Manufacturing Corp
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Filing: 1963-05-10
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Granted: 1965-04-27
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Expires: 1983-05-10
Abstract
No abstract record available.
Inventors
- 👤 Chung Jackson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:21
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/52; F16H55/56; Y; Y10; Y10S; Y10S474/00; Y10S474/903; Y10T; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7058
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A VARIABLE PITCH SHEAVE FOR A BELT, COMPRISING A HUB, AN INNER FLANGE HAVING A SLEEVE ON SAID HUB, AN OUTER FLANGE HAVING A SLEEVE ON SAID FIRST MENTIONED SLEEVE, OPPOSED SPRING MEANS AROUND SAID HUB ON THE SAME SIDE OF SAID FLANGES FOR CONTROLLING THE MOVEMENT OF SAID FLANGES IN RESPONSE TO VARIATIONS IN TENSION ON THE BELT, AND AN ABUTMENT MEANS DISPOSED BETWEEN AND ENGAGED ON OPPOSITE SIDES BY SAID SPRINGS AND CONNECTED TO THE HUB.
Claim 2
Dependent Claim
78 words
A VARIABLE PITCH SHEAVE FOR A BELT, COMPRISING A HUB, AN INNER FLANGE HAVING A SLEEVE ON SAID HUB, AN OUTER FLANGE HAVING A SLEEVE ON SAID FIRST MENTIONED SLEEVE, OPPOSED SPRING MEANS AROUND SAID HUB ON THE SAME SIDE OF SAID FLANGES FOR CONTROLLING THE MOVEMENT OF SAID FLANGES IN RESPONSE TO VARIATIONS IN TENSION ON THE BELT, AND AN ABUTMENT MEANS DISPOSED BETWEEN AND ENGAGED ON OPPOSITE SIDES BY SAID SPRINGS AND CONNECTED TO THE HUB.
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) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |