US3171334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus
Assignee: Honeywell Inc
•
Filing: 1963-07-05
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Granted: 1965-03-02
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Expires: 1983-07-05
Abstract
No abstract record available.
Inventors
- 👤 Robert F Rasmussen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:08
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/08; F15B15/14; F15B15/149; F15B15/1423; F15B15/1447; F15B15/1452; Y; Y10; Y10S; Y10S277/00; Y10S277/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN A PISTON TYPE FLUID OPERATED SERVOMOTOR HAVING AN OPENING THERETHROUGH SYMMETRICAL WITH RESPECT TO AN AXIS: AN ACTUATOR ROD ASSEMBLY OPERABLE WITHIN SAID OPENING FOR AXIAL MOVEMENT, SAID ACTUATOR ROD ASSEMBLY COMPRISING A LARGE DIAMETER PISTON MEMBER, TWO SMALLER DIAMETER PISTON RODS EACH HAVING A YET SMALLER DIAMETER AT ONE END, EACH YET SMALLER DIAMETER SLIDABLY RECEIVING A DYNAMIC SEAL THEREON COACTING WITH THE OPENING, AND MEANS FOR SECURING IN CONCENTRIC RELATION THE LARGE DIAMETER MEMBER TO THE SMALLER DIAMETER PISTON RODS WITH THE TWO DYNAMIC SEALS ADJACENT OPPOSITE SIDES OF SAID MEMBER AND IN ABUTTING RELATION THERETO.
Claim 2
Dependent Claim
99 words
IN A PISTON TYPE FLUID OPERATED SERVOMOTOR HAVING AN OPENING THERETHROUGH SYMMETRICAL WITH RESPECT TO AN AXIS: AN ACTUATOR ROD ASSEMBLY OPERABLE WITHIN SAID OPENING FOR AXIAL MOVEMENT, SAID ACTUATOR ROD ASSEMBLY COMPRISING A LARGE DIAMETER PISTON MEMBER, TWO SMALLER DIAMETER PISTON RODS EACH HAVING A YET SMALLER DIAMETER AT ONE END, EACH YET SMALLER DIAMETER SLIDABLY RECEIVING A DYNAMIC SEAL THEREON COACTING WITH THE OPENING, AND MEANS FOR SECURING IN CONCENTRIC RELATION THE LARGE DIAMETER MEMBER TO THE SMALLER DIAMETER PISTON RODS WITH THE TWO DYNAMIC SEALS ADJACENT OPPOSITE SIDES OF SAID MEMBER AND IN ABUTTING RELATION THERETO.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |