Patent US3372606A successfully refreshed from Google Patents.
US3372606A
Expired / Lapsed
US
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Hydraulic valve control lever
Assignee: Allis Chalmers Corp
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Filing: 1966-09-13
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Granted: 1968-03-12
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Expires: 1986-09-13
Abstract
No abstract record available.
Inventors
- 👤 Laurence R Mcgrath
- 👤 Robert A Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:53
CPC Classifications
G; G05; G05G; G05G5/00; G05G5/06; G05G2700/00; G05G2700/04; G05G2700/08; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20558; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A CONTROL DEVICE COMPRISING A SUPPORT, A PIVOT ON SAID SUPPORT, A ROCKABLE LEVER ASSEMBLY JOURNALED ON SAID PIVOT, A DETENT LINK PIVOTALLY CONNECTED TO SAID LEVER ASSEMBLY AT A POINT SPACED FROM SAID PIVOT AND EXTENDING TRANSVERSELY THEREOF, A DETENT CAM ELEMENT AND A DETENT CAM FOLLOWER ELEMENT, ONE OF SAID ELEMENTS BEING FIXED ON SAID SUPPORT AND THE OTHER OF SAID ELEMENTS BEING CARRIED BY SAID DETENT LINK, RESILIENT MEANS CONNECTED WITH SAID LINK, EXTENDING TRANSVERSELY THEREOF, AND ANCHORED TO SAID SUPPOPRT IN POSITION TO CONTINUOUSLY URGE SAID CAM ELEMENT AND SAID CAM FOLLOWER ELEMENT INTO YIELDING CONTACT WITH EACH OTHER, AND MEANS CONNECTED TO SAID LEVER ASSEMBLY AND TO A CONTROLLED ELEMENT FOR ACTUATING SAID ELEMENT BY REASON OF ROCKING OF SAID LEVER ASSEMBLY.
Claim 2
Dependent Claim
127 words
A CONTROL DEVICE COMPRISING A SUPPORT, A PIVOT ON SAID SUPPORT, A ROCKABLE LEVER ASSEMBLY JOURNALED ON SAID PIVOT, A DETENT LINK PIVOTALLY CONNECTED TO SAID LEVER ASSEMBLY AT A POINT SPACED FROM SAID PIVOT AND EXTENDING TRANSVERSELY THEREOF, A DETENT CAM ELEMENT AND A DETENT CAM FOLLOWER ELEMENT, ONE OF SAID ELEMENTS BEING FIXED ON SAID SUPPORT AND THE OTHER OF SAID ELEMENTS BEING CARRIED BY SAID DETENT LINK, RESILIENT MEANS CONNECTED WITH SAID LINK, EXTENDING TRANSVERSELY THEREOF, AND ANCHORED TO SAID SUPPOPRT IN POSITION TO CONTINUOUSLY URGE SAID CAM ELEMENT AND SAID CAM FOLLOWER ELEMENT INTO YIELDING CONTACT WITH EACH OTHER, AND MEANS CONNECTED TO SAID LEVER ASSEMBLY AND TO A CONTROLLED ELEMENT FOR ACTUATING SAID ELEMENT BY REASON OF ROCKING OF SAID LEVER ASSEMBLY.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |