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US3357265A
Expired / Lapsed
US
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Actuating device
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1966-01-18
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Granted: 1967-12-12
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Expires: 1986-01-18
Abstract
No abstract record available.
Inventors
- 👤 Alvin E Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:22
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/02; H03J5/04; H03J5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A RESETTABLE ACTUATING DEVICE FOR INITIALLY SENSING A PARTICULAR POSITION OF A MOVABLE ELEMENT AND THEREAFTER MOVING THE ELEMENT BACK TO THE PARTICULAR POSITION WHEN DISPLACED THEREFROM BY ACTUATION OF SAID ACTUATING DEVICE, INCLUDING: A MAIN SLIDE MEMBER; AN EXTENSION SLIDE MEMBER MOUNTED ON SAID MAIN SLIDE MEMBER FOR SLIDABLE MOVEMENT RELATIVE THERETO; A CAM PIVOTALLY CONNECTED TO SAID MAIN SLIDE MEMBER FOR ENGAGEMENT WITH THE ELEMENT TO BE MOVED; A SUBSTANTIALLY STIFF SPRING HAVING AN EXTENDING PORTION FORMED AT ONE END THEREOF AND FURTHER HAVING A GRIPPING PORTION, SUCH SPRING BEING MOUNTED ON SAID MAIN SLIDE MEMBER, SAID SPRING INCLUDING A C-SHAPED APERTURE DEFINING SAID GRIPPING PORTION; AND A PROTUBERANCE CARRIED BY SAID EXTENSION SLIDE FOR SELECTIVELY ENGAGING THE EXTENDED PORTION OF SAID SPRING, WHEREBY WHEN SAID PROTUBERANCE IS IN ENGAGEMENT WITH THE EXTENDED PORTION OF SAID SPRING, THE GRIPPING PORTION OF SAID SPRING IS URGED AGAINST SAID CAM FOR HOLDING THE CAM IN A FIXED POSITION.
Claim 2
Dependent Claim
158 words
A RESETTABLE ACTUATING DEVICE FOR INITIALLY SENSING A PARTICULAR POSITION OF A MOVABLE ELEMENT AND THEREAFTER MOVING THE ELEMENT BACK TO THE PARTICULAR POSITION WHEN DISPLACED THEREFROM BY ACTUATION OF SAID ACTUATING DEVICE, INCLUDING: A MAIN SLIDE MEMBER; AN EXTENSION SLIDE MEMBER MOUNTED ON SAID MAIN SLIDE MEMBER FOR SLIDABLE MOVEMENT RELATIVE THERETO; A CAM PIVOTALLY CONNECTED TO SAID MAIN SLIDE MEMBER FOR ENGAGEMENT WITH THE ELEMENT TO BE MOVED; A SUBSTANTIALLY STIFF SPRING HAVING AN EXTENDING PORTION FORMED AT ONE END THEREOF AND FURTHER HAVING A GRIPPING PORTION, SUCH SPRING BEING MOUNTED ON SAID MAIN SLIDE MEMBER, SAID SPRING INCLUDING A C-SHAPED APERTURE DEFINING SAID GRIPPING PORTION; AND A PROTUBERANCE CARRIED BY SAID EXTENSION SLIDE FOR SELECTIVELY ENGAGING THE EXTENDED PORTION OF SAID SPRING, WHEREBY WHEN SAID PROTUBERANCE IS IN ENGAGEMENT WITH THE EXTENDED PORTION OF SAID SPRING, THE GRIPPING PORTION OF SAID SPRING IS URGED AGAINST SAID CAM FOR HOLDING THE CAM IN A FIXED POSITION.
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |