Patent US271785A successfully refreshed from Google Patents.
US3232140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary indexing drive
Assignee: Individual
•
Filing: 1963-02-04
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Granted: 1966-02-01
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Expires: 1983-02-04
Abstract
No abstract record available.
Inventors
- 👤 Edward J Henkel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:42
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q16/02; B23Q16/04; B23Q16/06; Y; Y10; Y10T; Y10T74/00; Y10T74/14; Y10T74/1418; Y10T74/1424; Y10T74/1453
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A DRIVE COMPRISING A SHAFT, A PAIR OF GEARS INDIVIDUALLY ROTATABLE ABOUT SAID SHAFT, PINION GEARS GEARED TO SAID PAIR OF GEARS AND EACH OTHER SO AS TO BE SHIFTABLE ABOUT THE PERIPHERY THEREOF, MEANS OPERABLE TO LOCK ONE GEAR OF SAID PAIR AGAINST ROTATION, A ROTARY CAM MEANS TO CYCLICALLY INACTIVATE SAID LOCKING MEANS, MEANS OPERABLE TO LOCK SAID OTHER GEAR AGAINST ROTATION IN ONE DIRECTION, AND DRIVE MEANS FOR SAID CAM AND FOR SHIFTING SAID PINION GEARS IN ONE DIRECTION SO AS TO ADVANCE SAID ONE GEAR OF SAID PAIR WHEN IT IS UNLOCKED AND FOR SHIFTING SAID PINION GEARS IN THE OPPOSITE DIRECTION WHEN SAID ONE GEAR IS LOCKED AGAINST ROTATION.
Claim 2
Dependent Claim
114 words
A DRIVE COMPRISING A SHAFT, A PAIR OF GEARS INDIVIDUALLY ROTATABLE ABOUT SAID SHAFT, PINION GEARS GEARED TO SAID PAIR OF GEARS AND EACH OTHER SO AS TO BE SHIFTABLE ABOUT THE PERIPHERY THEREOF, MEANS OPERABLE TO LOCK ONE GEAR OF SAID PAIR AGAINST ROTATION, A ROTARY CAM MEANS TO CYCLICALLY INACTIVATE SAID LOCKING MEANS, MEANS OPERABLE TO LOCK SAID OTHER GEAR AGAINST ROTATION IN ONE DIRECTION, AND DRIVE MEANS FOR SAID CAM AND FOR SHIFTING SAID PINION GEARS IN ONE DIRECTION SO AS TO ADVANCE SAID ONE GEAR OF SAID PAIR WHEN IT IS UNLOCKED AND FOR SHIFTING SAID PINION GEARS IN THE OPPOSITE DIRECTION WHEN SAID ONE GEAR IS LOCKED AGAINST ROTATION.
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |