US3196703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change speed gearboxes
Assignee: SSS Patents Ltd
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Filing: 1963-03-11
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Granted: 1965-07-27
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Expires: 1983-03-11
Abstract
No abstract record available.
Inventors
- 👤 Sinclair Harold
- 👤 Clements Herbert Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:39
CPC Classifications
F; F16; F16D; F16D23/00; F16D23/02; F16D23/10; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19284
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A MULTI-RATIO CHANGE SPEED GEARBOX COMPRISING AN INPUT MEMBER, AN OUTPUT MEMBER, MEANS OPERABLE TO ESTABLISH SELECTIVELY A LOW SPEED GEAR PATH, AND AT LEAST ONE HIGHER SPEED GEAR PATH BETWEEN SAID INPUT AND OUTPUT MEMBERS, THE MEANS FOR ESTABLISHING SAID LOWER SPEED GEAR PATH COMPRISING A FIRST ROTARY CLUTCH MEMBER DRIVABLY CONNECTED TO ONE OF SAID INPUT AND OUTPUT MEMBERS, CLUTCH TEETH ON SAID FIRST CLUTCH MEMBER, A SECOND ROTARY CLUTCH MEMBER DRIVABLY CONNECTED TO THE OTHER OF SAID INPUT AND OUTPUT MEMBERS, AN INTERMEDIATE MEMBER, CLUTCH TEETH ON SAID INTERMEDIATE MEMBER, HELICAL SPLINES INTERCONNECTING SAID INTERMEDIATE MEMBER AND SAID SECOND CLUTCH MEMBER WHEREBY SAID INTERMEDIATE MEMBER IS CONSTRAINED FOR HELICAL MOVEMENT RELATIVE TO SAID SECOND CLUTCH MEMBER INTO TOOTHED ENGAGEMENT WITH SAID FIRST CLUTCH MEMBER UPON ROTATION OF SAID INPUT MEMBER
Claim 2
Dependent Claim
133 words
A MULTI-RATIO CHANGE SPEED GEARBOX COMPRISING AN INPUT MEMBER, AN OUTPUT MEMBER, MEANS OPERABLE TO ESTABLISH SELECTIVELY A LOW SPEED GEAR PATH, AND AT LEAST ONE HIGHER SPEED GEAR PATH BETWEEN SAID INPUT AND OUTPUT MEMBERS, THE MEANS FOR ESTABLISHING SAID LOWER SPEED GEAR PATH COMPRISING A FIRST ROTARY CLUTCH MEMBER DRIVABLY CONNECTED TO ONE OF SAID INPUT AND OUTPUT MEMBERS, CLUTCH TEETH ON SAID FIRST CLUTCH MEMBER, A SECOND ROTARY CLUTCH MEMBER DRIVABLY CONNECTED TO THE OTHER OF SAID INPUT AND OUTPUT MEMBERS, AN INTERMEDIATE MEMBER, CLUTCH TEETH ON SAID INTERMEDIATE MEMBER, HELICAL SPLINES INTERCONNECTING SAID INTERMEDIATE MEMBER AND SAID SECOND CLUTCH MEMBER WHEREBY SAID INTERMEDIATE MEMBER IS CONSTRAINED FOR HELICAL MOVEMENT RELATIVE TO SAID SECOND CLUTCH MEMBER INTO TOOTHED ENGAGEMENT WITH SAID FIRST CLUTCH MEMBER UPON ROTATION OF SAID INPUT MEMBER
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |