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US3246531A
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Infinitely variable speed change gear
Assignee: Individual
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Filing: 1961-10-19
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Granted: 1966-04-19
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Expires: 1981-10-19
Abstract
No abstract record available.
Inventors
- 👤 Kashihara Manabu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:10
CPC Classifications
F; F16; F16H; F16H15/00; F16H15/02; F16H15/04; F16H15/06; F16H15/26; F16H15/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
AN INFINITELY VARIABLE SPEED CHANGE GEAR COMPRISING A PAIR OF CONE WHEELS, AT LEAST ONE LARGE BALL CONTACTING AT A POINT TO EACH OF SAID CONE WHEELS RESPECTIVELY, AT LEAST ONE GROUP OF SMALL BALLS ARRANGED TO ROLL ALONG A SMALL CIRCLE ON THE SPHERICAL SURFACE OF EACH LARGE BALL, MEANS TO SUPPORT AND ARRANGE THE GROUP OF THE SMALL BALLS ALONG THE SMALL CIRCLE, AND AN OPERATING DEVICE TO CHANGE THE POSITION OF THE MEANS RELATIVELY TO THE CONE WHEELS, EACH LARGE BALL BEING SPUN, DURING THE TRANSMISSION OF POWER, ABOUT AN AXIS PASSING THROUGH THE CENTER OF THE SMALL CIRCLE AND ITS OWN CENTER, THE ATTITUDE OF THE AXIS OF THE LARGE BALL WITH RESPECT TO THE CONE WHEELS AND HENCE THE EFFECTIVE RADII OF THE LARGE BALL RELATIVE TO THE CONE WHEELS BEING VARIED BY THE OPERATING DEVICE.
Claim 2
Dependent Claim
141 words
AN INFINITELY VARIABLE SPEED CHANGE GEAR COMPRISING A PAIR OF CONE WHEELS, AT LEAST ONE LARGE BALL CONTACTING AT A POINT TO EACH OF SAID CONE WHEELS RESPECTIVELY, AT LEAST ONE GROUP OF SMALL BALLS ARRANGED TO ROLL ALONG A SMALL CIRCLE ON THE SPHERICAL SURFACE OF EACH LARGE BALL, MEANS TO SUPPORT AND ARRANGE THE GROUP OF THE SMALL BALLS ALONG THE SMALL CIRCLE, AND AN OPERATING DEVICE TO CHANGE THE POSITION OF THE MEANS RELATIVELY TO THE CONE WHEELS, EACH LARGE BALL BEING SPUN, DURING THE TRANSMISSION OF POWER, ABOUT AN AXIS PASSING THROUGH THE CENTER OF THE SMALL CIRCLE AND ITS OWN CENTER, THE ATTITUDE OF THE AXIS OF THE LARGE BALL WITH RESPECT TO THE CONE WHEELS AND HENCE THE EFFECTIVE RADII OF THE LARGE BALL RELATIVE TO THE CONE WHEELS BEING VARIED BY THE OPERATING DEVICE.
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |