Patent US3309637A successfully refreshed from Google Patents.
US3309637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker with improved trip adjustment
Assignee: General Electric Co
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Filing: 1965-03-29
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Granted: 1967-03-14
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Expires: 1985-03-29
Abstract
No abstract record available.
Inventors
- 👤 Charles L Jencks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:47
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/74; H01H71/7418; H01H71/10; H01H71/12; H01H71/14; H01H71/16; H01H71/164
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A CONTROL APPARATUS COMPRISING: (A) A SUPPORT, (B) A CAM MEMBER HAVING FIRST AND SECOND CAM SURFACES FIXED RELATIVE TO EACH OTHER; (C) MEANS SUPPORTING SAID CAM MEMBER ON SAID SUPPORT FOR MOVEMENT ALONG A PREDETERMINED PATH BETWEEN PREDETERMINED LIMITS; (D) FIRST AND SECOND CAM FOLLOWER MEMBERS; (E) A MOVABLE OUTPUT MEMBER SUPPORTED ON SAID SUPPORT; (F) COMMON SUPPORT MEANS SUPPORTING SAID FIRST AND SECOND CAM FOLLOWER MEMBERS IN FIXED RELATION TO EACH OTHER FOR SIMULTANEOUS MOVEMENT; (G) MEANS CONNECTING SAID COMMON SUPPORT MEANS TO SAID OUTPUT MEMBER FOR MOVEMENT OF SAID OUTPUT MEMBER IN RESPONSE TO MOVEMENT OF SAID CAM MEMBER; (H) SAID FIRST CAM FOLLOWER MEMBER ENGAGING SAID FIRST CAM SURFACE DURING A FIRST PORTION OF SAID MOVEMENT OF SAID CAM MEMBER, AND SAID SECOND CAM FOLLOWER MEMBER ENGAGING SAID SECOND CAM SURFACE DURING A SECOND PORTION OF SAID MOVEMENT OF SAID CAM MEMBER; AND (I) MEANS FOR ADJUSTING AT LEAST ONE OF SAID CAM FOLLOWER MEMBERS INDEPENDENTLY OF THE OTHER OF SAID CAM FOLLOWER MEMBERS.
Claim 2
Dependent Claim
168 words
A CONTROL APPARATUS COMPRISING: (A) A SUPPORT, (B) A CAM MEMBER HAVING FIRST AND SECOND CAM SURFACES FIXED RELATIVE TO EACH OTHER; (C) MEANS SUPPORTING SAID CAM MEMBER ON SAID SUPPORT FOR MOVEMENT ALONG A PREDETERMINED PATH BETWEEN PREDETERMINED LIMITS; (D) FIRST AND SECOND CAM FOLLOWER MEMBERS; (E) A MOVABLE OUTPUT MEMBER SUPPORTED ON SAID SUPPORT; (F) COMMON SUPPORT MEANS SUPPORTING SAID FIRST AND SECOND CAM FOLLOWER MEMBERS IN FIXED RELATION TO EACH OTHER FOR SIMULTANEOUS MOVEMENT; (G) MEANS CONNECTING SAID COMMON SUPPORT MEANS TO SAID OUTPUT MEMBER FOR MOVEMENT OF SAID OUTPUT MEMBER IN RESPONSE TO MOVEMENT OF SAID CAM MEMBER; (H) SAID FIRST CAM FOLLOWER MEMBER ENGAGING SAID FIRST CAM SURFACE DURING A FIRST PORTION OF SAID MOVEMENT OF SAID CAM MEMBER, AND SAID SECOND CAM FOLLOWER MEMBER ENGAGING SAID SECOND CAM SURFACE DURING A SECOND PORTION OF SAID MOVEMENT OF SAID CAM MEMBER; AND (I) MEANS FOR ADJUSTING AT LEAST ONE OF SAID CAM FOLLOWER MEMBERS INDEPENDENTLY OF THE OTHER OF SAID CAM FOLLOWER MEMBERS.
References Cited (Backward Citations)
GB407205A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |