Patent US3214557A successfully refreshed from Google Patents.
US3214557A
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Motion translating means
Assignee: Allis Chalmers Corp
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Filing: 1963-02-11
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Granted: 1965-10-26
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Expires: 1983-02-11
Abstract
No abstract record available.
Inventors
- 👤 Herbert M Pflanz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:10
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/32; H01H3/42; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18992
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
MOTION TRANSLATING MEANS FOR MOVING A PAIR OF MOVABLE CONTACTS TO A CONTACT OPEN AND A CONTACT CLOSED POSITION, SAID MEANS COMPRISING: A CAM MOVABLE ALONG AN AXIS AND HAVING TWO SLOTS EACH HAVING A MIDDLE PORTION ELONGATED IN A DIRECTION ALONG A FIRST AND SECOND LINE, RESPECTIVELY, SAID LINES POSITIONED TO EACH FORM AN ACUTE ANGLE TO SAID AXIS AND SAID SLOTS HAVING END PORTIONS AT EACH END ELONGATED ALONG A LINE PARALLEL TO THE AXIS; MEANS FOR RECIPROCALLY MOVING THE CAM ALONG SAID AXIS; TWO CAM FOLLOWERS EACH SUPPORTED TO RIDE IN COOPERATIVE RELATIONSHIP WITH A DIFFERENT SLOT; MEANS FOR CONNECTING ONE OF THE CAM FOLLOWERS TO ONE OF THE MOVABLE CONTACTS AND THE OTHER CAM FOLLOWER TO THE OTHER OF THE MOVABLE CONTACTS; AND SAID SLOTS HAVING A CONFIGURATION ADAPTED TO MOVE THE CONTACTS THROUGH THE CAM FOLLOWERS TO THE CONTACT OPEN POSITION AND TO THE CONTACT CLOSED POSITION IN RESPONSE TO MOVEMENT OF THE CAM, AND MEANS FOR MOVING THE CAM.
Claim 2
Dependent Claim
165 words
MOTION TRANSLATING MEANS FOR MOVING A PAIR OF MOVABLE CONTACTS TO A CONTACT OPEN AND A CONTACT CLOSED POSITION, SAID MEANS COMPRISING: A CAM MOVABLE ALONG AN AXIS AND HAVING TWO SLOTS EACH HAVING A MIDDLE PORTION ELONGATED IN A DIRECTION ALONG A FIRST AND SECOND LINE, RESPECTIVELY, SAID LINES POSITIONED TO EACH FORM AN ACUTE ANGLE TO SAID AXIS AND SAID SLOTS HAVING END PORTIONS AT EACH END ELONGATED ALONG A LINE PARALLEL TO THE AXIS; MEANS FOR RECIPROCALLY MOVING THE CAM ALONG SAID AXIS; TWO CAM FOLLOWERS EACH SUPPORTED TO RIDE IN COOPERATIVE RELATIONSHIP WITH A DIFFERENT SLOT; MEANS FOR CONNECTING ONE OF THE CAM FOLLOWERS TO ONE OF THE MOVABLE CONTACTS AND THE OTHER CAM FOLLOWER TO THE OTHER OF THE MOVABLE CONTACTS; AND SAID SLOTS HAVING A CONFIGURATION ADAPTED TO MOVE THE CONTACTS THROUGH THE CAM FOLLOWERS TO THE CONTACT OPEN POSITION AND TO THE CONTACT CLOSED POSITION IN RESPONSE TO MOVEMENT OF THE CAM, AND MEANS FOR MOVING THE CAM.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |