US3122945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jackson chung
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:13
CPC Classifications
F; F16; F16H; F16H55/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
IN COMBINATION WITH A PULLEY HAVING A RIM AND TWO END DISCS WITH CENTER OPENINGS THEREIN AND A NONROTATABLE SHAFT EXTENDING AXIALLY THROUGH SAID OPENINGS: A GEAR REDUCTION UNIT MOUNTED ON SAID SHAFT, COMPRISING A HOUSING ROTATABLY MOUNTED ON SAID SHAFT, A NON-ROTATABLE GEAR MOUNTED ON SAID SHAFT IN SAID HOUSING, A SLEEVE ON SAID SHAFT HAVING ONE END ADJACENT SAID GEAR AND EXTENDING FROM SAID HOUSING, A GEAR CONNECTED TO SAID SLEEVE IN AXIAL ALIGNMENT THEREWITH AND POSITIONED ADJACENT SAID FIRST MENTIONED GEAR, A PINION HAVING A SINGLE SET OF TEETH MESHING WITH SAID GEARS AND ADAPTED TO REVOLVE THEREAROUND AS SAID HOUSING IS ROTATED, SAID SLEEVE EXTENDING THROUGH THE OPENING IN ONE OF SAID END DISCS FOR ROTATABLY SUPPORTING ONE OF SAID DISCS AND THE RESPECTIVE END OF SAID PULLEY, AND MEANS MOVABLE WITH SAID SLEEVE AND SLIDABLE AXIALLY RELATIVE TO SAID LAST MENTIONED DISC FOR OPERATIVELY LOCKING SAID DISC AND SLEEVE TOGETHER.
Claim 2
Dependent Claim
155 words
IN COMBINATION WITH A PULLEY HAVING A RIM AND TWO END DISCS WITH CENTER OPENINGS THEREIN AND A NONROTATABLE SHAFT EXTENDING AXIALLY THROUGH SAID OPENINGS: A GEAR REDUCTION UNIT MOUNTED ON SAID SHAFT, COMPRISING A HOUSING ROTATABLY MOUNTED ON SAID SHAFT, A NON-ROTATABLE GEAR MOUNTED ON SAID SHAFT IN SAID HOUSING, A SLEEVE ON SAID SHAFT HAVING ONE END ADJACENT SAID GEAR AND EXTENDING FROM SAID HOUSING, A GEAR CONNECTED TO SAID SLEEVE IN AXIAL ALIGNMENT THEREWITH AND POSITIONED ADJACENT SAID FIRST MENTIONED GEAR, A PINION HAVING A SINGLE SET OF TEETH MESHING WITH SAID GEARS AND ADAPTED TO REVOLVE THEREAROUND AS SAID HOUSING IS ROTATED, SAID SLEEVE EXTENDING THROUGH THE OPENING IN ONE OF SAID END DISCS FOR ROTATABLY SUPPORTING ONE OF SAID DISCS AND THE RESPECTIVE END OF SAID PULLEY, AND MEANS MOVABLE WITH SAID SLEEVE AND SLIDABLE AXIALLY RELATIVE TO SAID LAST MENTIONED DISC FOR OPERATIVELY LOCKING SAID DISC AND SLEEVE TOGETHER.
References Cited (Backward Citations)
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Cited
US1289867A
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US1632571A
Cited
US2807485A
Cited
US2882757A
Cited
US2949048A
Cited
US2973979A
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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) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |