Patent US3435391A successfully refreshed from Google Patents.
US3435391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic linear-to-rotary motion stepping mechanism
Assignee: Solenoid Devices Inc
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Filing: 1966-09-28
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Granted: 1969-03-25
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Expires: 1986-09-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Straub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:04
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/06; H02K7/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN A STEPPING MECHANISM, THE COMBINATION OF: A MOVABLE MEMBER; COIL MEANS FOR MOVING SAID MOVABLE MEMBER ALONG A PATH; AN OUTPUT SHAFT; AND DRIVE MEANS FOR DRIVINGLY INTERCONNECTING SAID MOVABLE MEMBER AND SAID OUTPUT SHAFT, SAID DRIVE MEANS INCLUDING CONVERTER MEANS FOR DRIVING SAID OUTPUT SHAFT IN ROTATION IN RESPONSE TO MOVEMENT OF SAID MOVABLE MEMBER ALONG THE PATH, DRIVING AND DRIVEN RATCHETS ENGAGEABLE WITH EACH OTHER TO ALLOW SAID MOVABLE MEMBER TO DRIVE SAID OUTPUT SHAFT AND DISENGAGEABLE TO PREVENT SAID MOVABLE MEMBER FROM DRIVING SAID OUTPUT SHAFT, AND MEANS FOR SUBSTANTIALLY PREVENTING OPERATION OF SAID CONVERTER MEANS WHEN SAID RATCHETS ARE DISENGAGED.
Claim 2
Dependent Claim
105 words
IN A STEPPING MECHANISM, THE COMBINATION OF: A MOVABLE MEMBER; COIL MEANS FOR MOVING SAID MOVABLE MEMBER ALONG A PATH; AN OUTPUT SHAFT; AND DRIVE MEANS FOR DRIVINGLY INTERCONNECTING SAID MOVABLE MEMBER AND SAID OUTPUT SHAFT, SAID DRIVE MEANS INCLUDING CONVERTER MEANS FOR DRIVING SAID OUTPUT SHAFT IN ROTATION IN RESPONSE TO MOVEMENT OF SAID MOVABLE MEMBER ALONG THE PATH, DRIVING AND DRIVEN RATCHETS ENGAGEABLE WITH EACH OTHER TO ALLOW SAID MOVABLE MEMBER TO DRIVE SAID OUTPUT SHAFT AND DISENGAGEABLE TO PREVENT SAID MOVABLE MEMBER FROM DRIVING SAID OUTPUT SHAFT, AND MEANS FOR SUBSTANTIALLY PREVENTING OPERATION OF SAID CONVERTER MEANS WHEN SAID RATCHETS ARE DISENGAGED.
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) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |