US3227005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gearless transmission
Assignee: Tapmatic Corp
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Filing: 1961-06-21
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Granted: 1966-01-04
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Expires: 1981-06-21
Abstract
No abstract record available.
Inventors
- 👤 Allan S Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:07
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/04; F16H57/048; F16H57/0487; F16H13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
IN A GEARLESS TRANSMISSION, IN COMBINATION, MEANS COMPRISING A FIRST MEMBER, A CONCENTRIC ROTARY DRIVEN MEMBER OF A DIFFERENT DIAMETER, SAID MEMBERS BEING OF FIXED DIAMETRICAL SIZE AND FORMING A BALL RACE THEREBETWEEN, TORQUE TRANSMITTING BALLS IN SAID BALL RACE HAVING METAL TO METAL CONTACT WITH THE FIRST AND DRIVEN MEMBERS, SAID BALLS HAVING A SIZE TO BE HELD SUFFICIENTLY TIGHTLY BETWEEN THE MEMBERS WHEREBY TORQUE MAY BE TRANSMITTED TO THE DRIVEN MEMBER THROUGH THE SAID BALLS WITHOUT APPLICATION OF LOADING FORCE TO SAID MEMBERS, A BALL RETAINER MEMBER, AND MEANS FOR HOLDING THE BALL RETAINER TO PREVENT IT FROM ROTATING.
Claim 2
Dependent Claim
101 words
IN A GEARLESS TRANSMISSION, IN COMBINATION, MEANS COMPRISING A FIRST MEMBER, A CONCENTRIC ROTARY DRIVEN MEMBER OF A DIFFERENT DIAMETER, SAID MEMBERS BEING OF FIXED DIAMETRICAL SIZE AND FORMING A BALL RACE THEREBETWEEN, TORQUE TRANSMITTING BALLS IN SAID BALL RACE HAVING METAL TO METAL CONTACT WITH THE FIRST AND DRIVEN MEMBERS, SAID BALLS HAVING A SIZE TO BE HELD SUFFICIENTLY TIGHTLY BETWEEN THE MEMBERS WHEREBY TORQUE MAY BE TRANSMITTED TO THE DRIVEN MEMBER THROUGH THE SAID BALLS WITHOUT APPLICATION OF LOADING FORCE TO SAID MEMBERS, A BALL RETAINER MEMBER, AND MEANS FOR HOLDING THE BALL RETAINER TO PREVENT IT FROM ROTATING.
References Cited (Backward Citations)
GB134541A
Cited
US1986177A
Cited
CH229261A
Cited
US2383107A
Cited
US2536803A
Cited
FR1210839A
Cited
GB847958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |