Patent US3109315A successfully refreshed from Google Patents.
US3109315A
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Shift mechanism for variable diameter pulley structures
Assignee: Emerson Electric Co
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Filing: 1961-10-02
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Granted: 1963-11-05
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Expires: 1981-10-02
Abstract
No abstract record available.
Inventors
- 👤 Frederick O Luenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:07
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/66; F16H61/662; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18752
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN COMBINATION: A FIRST PULLEY SECTION; A SECOND PULLEY SECTION; A SHAFT UPON WHICH SAID SECTIONS ARE MOUNTED, AT LEAST ONE OF THE SECTIONS HAVING A HUB AND BEING AXIALLY ADJUSTABLE ALONG THE SHAFT; AND MEANS FOR ADJUSTING SAID ONE PULLEY SECTION, COMPRISING: A SHIFTER ARM FOR MOVING THE HUB AXIALLY; AN ADJUSTABLE ARM; A PIVOTAL CONNECTION BETWEEN THE ARMS; AND SPRING MEANS FOR URGING THE ARMS INTO CONTACT AT A PLACE SPACED FROM THE PIVOTAL CONNECTION, TO FORM A LIMIT TO THE MOVEMENT OF THE FIRST SECTION TOWARD THE SECOND SECTION.
Claim 2
Dependent Claim
92 words
IN COMBINATION: A FIRST PULLEY SECTION; A SECOND PULLEY SECTION; A SHAFT UPON WHICH SAID SECTIONS ARE MOUNTED, AT LEAST ONE OF THE SECTIONS HAVING A HUB AND BEING AXIALLY ADJUSTABLE ALONG THE SHAFT; AND MEANS FOR ADJUSTING SAID ONE PULLEY SECTION, COMPRISING: A SHIFTER ARM FOR MOVING THE HUB AXIALLY; AN ADJUSTABLE ARM; A PIVOTAL CONNECTION BETWEEN THE ARMS; AND SPRING MEANS FOR URGING THE ARMS INTO CONTACT AT A PLACE SPACED FROM THE PIVOTAL CONNECTION, TO FORM A LIMIT TO THE MOVEMENT OF THE FIRST SECTION TOWARD THE SECOND SECTION.
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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |