US3137176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ratchet relay with articulated driving mechanism
Assignee: Guardian Electric Manufacturing Co
•
Filing: 1962-02-12
•
Granted: 1964-06-16
•
Expires: 1982-02-12
Abstract
No abstract record available.
Inventors
- 👤 Wright William Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:57
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/02; H01H51/04; H01H51/06; H01H51/08; H01H51/082; H01H51/086; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555; Y10T74/1558; Y10T74/1577; Y10T74/21; Y10T74/2133; Y10T74/2136
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
AN IMPROVEMENT FOR BIASING A UNITARY PAWL AND DETENT MEMBER WHICH IS PIVOTALLY CARRIED BY AN ARMATURE, SAID IMPROVEMENT COMPRISING A FLAT SPRING HAVING AN LSHAPED DEPENDING LEG AT ONE END AND A PAIR OF LEGS PROJECTING FROM THE OTHER END, SAID PAIR OF LEGS BEING POSITIONED BETWEEN SAID UNITARY PAWL AND DETENT MEMBER AND SAID ARMATURE, AND SAID FLAT SPRING BEING ADAPTED TO BIAS SAID PAWL AND DETENT MEMBER IN ONE DIRECTION ABOUT ITS PIVOTAL MOUNTING ON SAID ARMATURE, SAID ARMATURE HAVING AN OPENING FOR RECEIVING SAID L-SHAPED LEG WITH ONE ARM OF SAID L-SHAPED DEPENDING LEG BEING ADAPTED TO ENGAGE THE LOWER SURFACE OF SAID ARMATURE, SAID ARMATURE HAVING A STOP ELEMENT PROJECTING INTO SAID OPENING, AND A SPLIT PORTION ON SAID SPRING ADAPTED TO ENGAGE SAID STOP ELEMENT UPON DEPRESSION OF SAID SPLIT PORTION, WHEREBY SAID SPRING IS HELD IN PLACE ON SAID ARMATURE BY SAID LSHAPED DEPENDING LEG ENGAGING SAID ARMATURE AND BY SAID SPLIT PORTION ENGAGING SAID STOP ELEMENT.
Claim 2
Dependent Claim
164 words
AN IMPROVEMENT FOR BIASING A UNITARY PAWL AND DETENT MEMBER WHICH IS PIVOTALLY CARRIED BY AN ARMATURE, SAID IMPROVEMENT COMPRISING A FLAT SPRING HAVING AN LSHAPED DEPENDING LEG AT ONE END AND A PAIR OF LEGS PROJECTING FROM THE OTHER END, SAID PAIR OF LEGS BEING POSITIONED BETWEEN SAID UNITARY PAWL AND DETENT MEMBER AND SAID ARMATURE, AND SAID FLAT SPRING BEING ADAPTED TO BIAS SAID PAWL AND DETENT MEMBER IN ONE DIRECTION ABOUT ITS PIVOTAL MOUNTING ON SAID ARMATURE, SAID ARMATURE HAVING AN OPENING FOR RECEIVING SAID L-SHAPED LEG WITH ONE ARM OF SAID L-SHAPED DEPENDING LEG BEING ADAPTED TO ENGAGE THE LOWER SURFACE OF SAID ARMATURE, SAID ARMATURE HAVING A STOP ELEMENT PROJECTING INTO SAID OPENING, AND A SPLIT PORTION ON SAID SPRING ADAPTED TO ENGAGE SAID STOP ELEMENT UPON DEPRESSION OF SAID SPLIT PORTION, WHEREBY SAID SPRING IS HELD IN PLACE ON SAID ARMATURE BY SAID LSHAPED DEPENDING LEG ENGAGING SAID ARMATURE AND BY SAID SPLIT PORTION ENGAGING SAID STOP ELEMENT.
References Cited (Backward Citations)
US2558953A
Cited
US2990723A
Cited
US3022399A
Cited
US3106849A
Cited
US3095751A
Cited
US3076073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |