Patent US3270360A successfully refreshed from Google Patents.
US3270360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary oscillatory motion from continuous rotary motion
Assignee: General Time Corp
•
Filing: 1964-05-07
•
Granted: 1966-09-06
•
Expires: 1984-05-07
Abstract
No abstract record available.
Inventors
- 👤 Willis A Kropp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:03
CPC Classifications
F; F28; F28G; F28G3/00; F28G3/04; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304; Y10T74/18312
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A MECHANICAL TRANSDUCER FOR CONVERTING CONTINUOUS ROTARY MOTION TO OSCILLATORY ROTARY MOTION, IN AN ELECTRIC TOOTHBRUSH, SAID TRANSDUCER COMPRISING THE COMBINATION OF A CONTINUOUS ROTARY DRIVING MECHANISM, A CAM MEMBER CONNECTED TO SAID DRIVING MECHANISM FOR CONTINUOUS ROTATION OF SAID CAM MEMBER ABOUT AN AXIS, A CAM FOLLOWER RESTRAINED AGAINST ROTATIONAL MOVEMENT AND ADAPTED TO BE DISPLACED ALONG SAID AXIS AND ENGAGING SAID CAM MEMBER, SAID CAM MEMBER DISPLACING SAID CAM FOLLOWER LINEARLY ALONG SAID AXIS UPON CONTINUOUS ROTATION OF SAID CAM MEMBER, AND A CHUCK MEMBER RESTRAINED AGAINST LINEAR MOVEMENT AND HAVING MEANS FOR ENGAGING SAID CAM FOLLOWER, THE ENGAGING MEANS AND SAID CAM FOLLOWER BEING ADAPTED TO OSCILLATE SAID CHUCK MEMBER ROTATIONALLY UPON LINEAR OSCILLATION OF SAID CAM FOLLOWER.
Claim 2
Dependent Claim
121 words
A MECHANICAL TRANSDUCER FOR CONVERTING CONTINUOUS ROTARY MOTION TO OSCILLATORY ROTARY MOTION, IN AN ELECTRIC TOOTHBRUSH, SAID TRANSDUCER COMPRISING THE COMBINATION OF A CONTINUOUS ROTARY DRIVING MECHANISM, A CAM MEMBER CONNECTED TO SAID DRIVING MECHANISM FOR CONTINUOUS ROTATION OF SAID CAM MEMBER ABOUT AN AXIS, A CAM FOLLOWER RESTRAINED AGAINST ROTATIONAL MOVEMENT AND ADAPTED TO BE DISPLACED ALONG SAID AXIS AND ENGAGING SAID CAM MEMBER, SAID CAM MEMBER DISPLACING SAID CAM FOLLOWER LINEARLY ALONG SAID AXIS UPON CONTINUOUS ROTATION OF SAID CAM MEMBER, AND A CHUCK MEMBER RESTRAINED AGAINST LINEAR MOVEMENT AND HAVING MEANS FOR ENGAGING SAID CAM FOLLOWER, THE ENGAGING MEANS AND SAID CAM FOLLOWER BEING ADAPTED TO OSCILLATE SAID CHUCK MEMBER ROTATIONALLY UPON LINEAR OSCILLATION OF SAID CAM FOLLOWER.
References Cited (Backward Citations)
US933718A
Cited
US1676483A
Cited
US1835837A
Cited
US1945616A
Cited
US2534943A
Cited
US3171287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |