US3215873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor protective means
Assignee: Texas Instruments Inc
•
Filing: 1960-05-27
•
Granted: 1965-11-02
•
Expires: 1980-05-27
Abstract
No abstract record available.
Inventors
- 👤 Curtis F Kruger
- 👤 Jr Harry F Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:34
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H37/54; H01H37/5427; H01H37/5436; H02; H02K; H02K11/00; H02K11/20; H02K11/25
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
136 words
IN COMBINATION: A MOTOR HAVING A PLURALITY OF WINDINGS; A THERMALLY CONDUCTIVE METALLIC STRIP MOUNTED IN HEAT EXCHANGE RELATIONSHIP WITH AT LEAST ONE OF SAID WINDINGS; A PORTION OF SAID STRIP MEMBER BEING DEFORMED AND ABLY MOUNTED ELEMENT DRIVEN BY SAID ARMATURE WHEN OSCILLATED TO EITHER OF SAID OSCILLATED POSITIONS, SAID ARMATURE HAVING TWO RESILIENT ARMS OSCILLATABLE TOWARD SAID DRIVEN ELEMENT IN TIMED RELATIONSHIP WITH SAID OSCILLATIONS OF SAID ARMATURE TO SAID OSCILLATED POSITIONS, FOR FRICTIONALLY ENGAGING SAID DRIVEN ELEMENT AND MOVING IT IN A DIRECTION IN WHICH SAID ARMATURE IS OSCILLATED, MEANS TO SYNCHRONIZE THE OSCILLATIONS OF SAID ARMATURE TO EITHER OF SAID TWO OSCILLATED POSITIONS AND THE FRICTIONAL CONTACT OF SAID ARMS WITH SAID DRIVEN ELEMENT DURING OSCILLATION OF SAID ARMATURE TOWARD SAID POSITIONS THEREBY TO DRIVE SAID DRIVEN ELEMENT IN A GIVEN DIRECTION.
References Cited (Backward Citations)
US1947078A
Cited
US2369986A
Cited
US2893671A
Cited
US2885905A
Cited
US2907852A
Cited
US2921147A
Cited
GB835191A
Cited
US2909719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |