US3134267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ratchet mechanism
Assignee: Allis Chalmers Corp
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Filing: 1962-02-05
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Granted: 1964-05-26
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Expires: 1982-02-05
Abstract
No abstract record available.
Inventors
- 👤 William H Shannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:19
CPC Classifications
F; F16; F16H; F16H31/00; F16H31/003; F16H31/005; A; A01; A01C; A01C3/00; A01C3/06; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555; Y10T74/1558; Y10T74/1565; Y10T74/1566; Y10T74/1568; Y10T74/1576; Y10T74/21; Y10T74/2133; Y10T74/2136
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A RATCHET MECHANISM COMPRISING: A SUPPORT; A ROTARY MEMBER JOURNALED ON SAID SUPPORT AND PRESENTING A SERIES OF RATCHET TEETH AND A CAM PORTION; AN ACTUATING LEVER ROCKABLY MOUNTED ON SAID SUPPORT AND HAVING A DRIVE PAWL IN COOPERATIVE RELATION TO SAID RATCHET TEETH; A BACKUP PAWL MOVABLY MOUNTED ON SAID SUPPORT FOR COOPERATIVE ENGAGEMENT WITH AND ACTUATION BY SAID RATCHET TEETH AND CAM PORTION; AND LOST MOTION CONNECTING MEANS BETWEEN SAID DRIVE AND BACKUP PAWLS, WHEREBY SAID DRIVE PAWL WILL BE DISENGAGED FROM SAID RATCHET TEETH UPON ACTUATION OF SAID BACKUP PAWL BY SAID CAM PORTION.
Claim 2
Dependent Claim
97 words
A RATCHET MECHANISM COMPRISING: A SUPPORT; A ROTARY MEMBER JOURNALED ON SAID SUPPORT AND PRESENTING A SERIES OF RATCHET TEETH AND A CAM PORTION; AN ACTUATING LEVER ROCKABLY MOUNTED ON SAID SUPPORT AND HAVING A DRIVE PAWL IN COOPERATIVE RELATION TO SAID RATCHET TEETH; A BACKUP PAWL MOVABLY MOUNTED ON SAID SUPPORT FOR COOPERATIVE ENGAGEMENT WITH AND ACTUATION BY SAID RATCHET TEETH AND CAM PORTION; AND LOST MOTION CONNECTING MEANS BETWEEN SAID DRIVE AND BACKUP PAWLS, WHEREBY SAID DRIVE PAWL WILL BE DISENGAGED FROM SAID RATCHET TEETH UPON ACTUATION OF SAID BACKUP PAWL BY SAID CAM PORTION.
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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |