US3623376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuously engaged infinitely variable ratio transmission
Assignee: Individual
•
Filing: 1969-11-12
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Granted: 1971-11-30
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Expires: 1989-11-12
Abstract
Abstract AN INFINITELY VARIABLE RATIO TRANSMISSION IN WHICH AN INPUT SHAFT DRIVED A PAIR OF CONTINUOUSLY ENGAGED GEAR SYSTEMS WHICH RESPECTIVELY PRODUCE PARTIAL ROTARY MOTION OF AN OUTPUT SHAFT, THE CUMULATIVE ANGULAR MOTION OF THE OUTPUT SHAFT BEING AT CONSTANT VELOCITY. IN EACH SYSTEM, A ROTARY CAM RECIPROCATED A FOLLOWER AND A RACK CARRIED THEREBY WHICH OSCILLATED A RACK PINION, THE LATTER INTERMITTENTLY ROTATION GEARING THROUGH ONE-WAY CLUTCHES TO UNIDIRECTIONALLY ROTATE THE OUTPUT SHAFT. THE CAMS ARE OUT OF PHASE SO THAT THE OUTPUT SHAFT IS DRIVEN CONTINUOUSLY AND AT CONSTANT VELOCITY. THE EXTENT OF RECIPROCATION OF THE FOLLOWERS IS ADJUSTABLE TO VARY THE TRANSMISSION RATIO.
Inventors
- 👤 Bernard J Call
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:40
CPC Classifications
F; F16; F16H; F16H29/00; F16H29/02; F16H29/04; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/1515; Y10T74/1516; Y10T74/1524; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/1812; Y10T74/18992
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |