US3237464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stepping mechanisms
Assignee: Controls Company of America
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Filing: 1964-02-04
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Granted: 1966-03-01
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Expires: 1984-02-04
Abstract
No abstract record available.
Inventors
- 👤 Cartier Roger John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:25
CPC Classifications
F; F16; F16H; F16H29/00; F16H29/02; H; H01; H01H; H01H43/00; H01H43/10; H01H43/101; H01H43/102; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/1518; Y10T74/1523; Y10T74/1526; Y10T74/1553; Y10T74/1555
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
216 words
A STEPPING MECHANISM COMPRISING, A CAM, HAVING A SLOW RISE-FAST DROP PROFILE, DRIVE MEANS FOR ROTATING SAID CAM IN A CONTINUOUS MANNER, A CAM FOLLOWER MOVABLE OVER THE PROFILE OF THE CAM, A STEPPING LEVER RECIPROCATED IN RESPONSE TO THE MOVEMENT OF SAID CAM FOLLOWER A TOOTHED RATCHET WHEEL, AN ACTUATING PAWL IN ENGAGEMENT WITH SAID RATCHET WHEEL AND MOVABLE IN A REARWARD DIRECTION OVER A TOOTH OF THE RATCHET WHEEL AND IN A FORWARD DIRECTION TO DRIVE THE RATCHET WHEEL FORWARD, MEANS BIASING THE ACTUATING PAWL INTO ENGAGEMENT WITH SAID RATCHET WHEEL, MEANS CONNECTNG THE ACTUATING PAWL TO THE LEVER TO BE RECIPROCATED THEREBY A LOCKING PAWL IN ENGAGEMENT WITH THE RATCHET WHEEL DETERMINING THE POSITION OF THE RATCHET WHEEL TWEEN ADVANCING STEPS, SAID LOCKING PAWL HOLDING THE RATCHET WHEEL STATIONARY DURING THE REARWARD MOVEMENT OF THE ACTUATING PAWL AND PREVENTING OVERTRAVEL OF THE RATCHET WHEEL AT THE END OF ITS FORWARD STEP, MEANS CONSTANTLY BIASING THE LOCKING PAWL INTO ENGAGEMENT WITH THE RATCHET WHEEL, AND PIVOTED MEANS SUPPORTING THE LOCKING PAWL AND POSITIONED TO BE IMPACTED BY SAID LEVER AT THE TERMINAL PORTION OF THE MOVEMENT OF THE FOLLOWER DOWN THE FAST DROP PORTION OF THE CAM PROFILE TO DRIVE THE LOCKING PAWL INTO THE RATCHET WHEEL AT THE END OF A FORWARD STEP.
Claim 2
Dependent Claim
216 words
A STEPPING MECHANISM COMPRISING, A CAM, HAVING A SLOW RISE-FAST DROP PROFILE, DRIVE MEANS FOR ROTATING SAID CAM IN A CONTINUOUS MANNER, A CAM FOLLOWER MOVABLE OVER THE PROFILE OF THE CAM, A STEPPING LEVER RECIPROCATED IN RESPONSE TO THE MOVEMENT OF SAID CAM FOLLOWER A TOOTHED RATCHET WHEEL, AN ACTUATING PAWL IN ENGAGEMENT WITH SAID RATCHET WHEEL AND MOVABLE IN A REARWARD DIRECTION OVER A TOOTH OF THE RATCHET WHEEL AND IN A FORWARD DIRECTION TO DRIVE THE RATCHET WHEEL FORWARD, MEANS BIASING THE ACTUATING PAWL INTO ENGAGEMENT WITH SAID RATCHET WHEEL, MEANS CONNECTNG THE ACTUATING PAWL TO THE LEVER TO BE RECIPROCATED THEREBY A LOCKING PAWL IN ENGAGEMENT WITH THE RATCHET WHEEL DETERMINING THE POSITION OF THE RATCHET WHEEL TWEEN ADVANCING STEPS, SAID LOCKING PAWL HOLDING THE RATCHET WHEEL STATIONARY DURING THE REARWARD MOVEMENT OF THE ACTUATING PAWL AND PREVENTING OVERTRAVEL OF THE RATCHET WHEEL AT THE END OF ITS FORWARD STEP, MEANS CONSTANTLY BIASING THE LOCKING PAWL INTO ENGAGEMENT WITH THE RATCHET WHEEL, AND PIVOTED MEANS SUPPORTING THE LOCKING PAWL AND POSITIONED TO BE IMPACTED BY SAID LEVER AT THE TERMINAL PORTION OF THE MOVEMENT OF THE FOLLOWER DOWN THE FAST DROP PORTION OF THE CAM PROFILE TO DRIVE THE LOCKING PAWL INTO THE RATCHET WHEEL AT THE END OF A FORWARD STEP.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |