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US3336745A
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Assignee: Dole Valve Co
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Filing: 1966-07-25
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Granted: 1967-08-22
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Expires: 1986-07-25
Abstract
No abstract record available.
Inventors
- 👤 Samuel H Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:06
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
A TEMPERATURE RESPONSIVE FORCE TRANSMITTING DEVICE COMPRISING: A HOUSING HAVING A BASE CUP PORTION AND A POWER MEMBER GUIDE, SAID BASE CUP PORTION CONTAINING A TEMPERATURE SENSITIVE EXPANSIBLE MATERIAL AND SAID POWER MEMBER GUIDE HAVING A GUIDE OPENING FORMED THEREIN; A RESILIENT BOOT DEPLOYED WITHIN SAID HOUSING AND FORMING A COMMON SEALING WALL BETWEEN SAID BASE CUP AND SAID POWER MEMBER GUIDE; SAID BOOT HAVING A NECK PORTION EXTENDING WITHIN SAID POWER MEMBER GUIDE; A POWER MEMBER SLIDABLY RECEIVED WITHIN SAID GUIDE OPENING AND DISPOSED WITHIN SAID NECK PORTION OF SAID BOOT FOR BEING ACTUATED BY THE EXPANSION OF SAID TEMPERATURE SENSITIVE EXPANSIBLE MATERIAL; A SUBSTANTIALLY NON-RESILIENT ANTI-CHAFE RING DISPOSED WITHIN SAID HOUSING ABOUT SAID POWER MEMBER AND BETWEEN SAID NECK PORTION OF SAID BOOT AND THE INWARDLY FACING END WALL OF SAID POWER MEMBER GUIDE FORMING SAID GUIDE OPENING, AND SAID ANTI-CHAFE RING HAVING A GREATER THICKNESS IN THE VICINITY OF THE POWER MEMBER AND HAVING LESS THICKNESS AT POINTS SPACED RADIALLY OUTWARDLY THEREFROM, WHEREBY PRESSURE OF SAID BOOT ON SAID ANTI-CHAFE RING URGES SAID RING TOWARD SAID POWER PISTON.
Claim 2
Dependent Claim
181 words
A TEMPERATURE RESPONSIVE FORCE TRANSMITTING DEVICE COMPRISING: A HOUSING HAVING A BASE CUP PORTION AND A POWER MEMBER GUIDE, SAID BASE CUP PORTION CONTAINING A TEMPERATURE SENSITIVE EXPANSIBLE MATERIAL AND SAID POWER MEMBER GUIDE HAVING A GUIDE OPENING FORMED THEREIN; A RESILIENT BOOT DEPLOYED WITHIN SAID HOUSING AND FORMING A COMMON SEALING WALL BETWEEN SAID BASE CUP AND SAID POWER MEMBER GUIDE; SAID BOOT HAVING A NECK PORTION EXTENDING WITHIN SAID POWER MEMBER GUIDE; A POWER MEMBER SLIDABLY RECEIVED WITHIN SAID GUIDE OPENING AND DISPOSED WITHIN SAID NECK PORTION OF SAID BOOT FOR BEING ACTUATED BY THE EXPANSION OF SAID TEMPERATURE SENSITIVE EXPANSIBLE MATERIAL; A SUBSTANTIALLY NON-RESILIENT ANTI-CHAFE RING DISPOSED WITHIN SAID HOUSING ABOUT SAID POWER MEMBER AND BETWEEN SAID NECK PORTION OF SAID BOOT AND THE INWARDLY FACING END WALL OF SAID POWER MEMBER GUIDE FORMING SAID GUIDE OPENING, AND SAID ANTI-CHAFE RING HAVING A GREATER THICKNESS IN THE VICINITY OF THE POWER MEMBER AND HAVING LESS THICKNESS AT POINTS SPACED RADIALLY OUTWARDLY THEREFROM, WHEREBY PRESSURE OF SAID BOOT ON SAID ANTI-CHAFE RING URGES SAID RING TOWARD SAID POWER PISTON.
References Cited (Backward Citations)
US2208149A
Cited
US3016748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |