Patent US1882541A successfully refreshed from Google Patents.
Patent US3313178A successfully refreshed from Google Patents.
US3313178A
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Means for moving a member linearly
Assignee: Siemens Mobility Ltd
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Filing: 1965-08-09
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Granted: 1967-04-11
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Expires: 1985-08-09
Abstract
No abstract record available.
Inventors
- 👤 Saunders Charles Willia Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:45
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/53; F16H; F16H37/00; F16H37/02; F16H37/06; F16H37/065; F16K31/02; F16K31/04; F16K31/05; F16H2700/00; F16H2700/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18624; Y10T74/1864
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
MEANS FOR MOVING A MEMBER CONSTRAINED FOR LINEAR MOVEMENT BETWEEN TWO POSITIONS, COMPRISING AN ELEMENT WHICH IS CO-AXIALLY ROTATABLE ABOUT THE MEMBER IN BOTH DIRECTIONS AND WHICH HAS ROTATABLY MOUNTED THEREON PLANET GEARS WHICH MESH WITH TWO SUN GEARS AND WHICH PROVIDE WITH ONE OF THE SUN GEARS A FIRST GEAR RATIO AND WITH THE SECOND OF THE SUN GEARS A SECOND GEAR RATIO DIFFERENT FROM THE FIRST GEAR RATIO, SAID ONE SUN GEAR HAVING AN AXIALLY EXTENDING SCREW THREAD OF ONE HAND THREADEDLY ENGAGED WITH A THREADED PORTION ON THE MEMBER WHEREBY RELATIVE ROTATION OF SAID ONE SUN GEAR AND THE MEMBER CAUSES LINEAR MOVEMENT OF THE MEMBER, AND SAID SECOND SUN GEAR HAVING AN AXIALLY EXTENDING SCREW THREAD OF THE OPPOSITE BAND WHICH THREADEDLY ENGES A SCREW-THREADED PORTION OF AN ELEMENT WHEREBY RELATIVE ROTATION OF SAID SECOND SUN GEAR AND THE ELEMENT CAUSES RELATIVE AXIAL MOTION BETWEEN SAID SECOND SUN GEAR AND THE ELEMENT, AND MEANS FOR LIMITING MOTION TO AN EXTENT WHICH IS LESS THAN THE EXTENT OF THE LINEAR MOVEMENT OF THE MEMBER BETWEEN ITS TWO POSITIONS.
Claim 2
Dependent Claim
181 words
MEANS FOR MOVING A MEMBER CONSTRAINED FOR LINEAR MOVEMENT BETWEEN TWO POSITIONS, COMPRISING AN ELEMENT WHICH IS CO-AXIALLY ROTATABLE ABOUT THE MEMBER IN BOTH DIRECTIONS AND WHICH HAS ROTATABLY MOUNTED THEREON PLANET GEARS WHICH MESH WITH TWO SUN GEARS AND WHICH PROVIDE WITH ONE OF THE SUN GEARS A FIRST GEAR RATIO AND WITH THE SECOND OF THE SUN GEARS A SECOND GEAR RATIO DIFFERENT FROM THE FIRST GEAR RATIO, SAID ONE SUN GEAR HAVING AN AXIALLY EXTENDING SCREW THREAD OF ONE HAND THREADEDLY ENGAGED WITH A THREADED PORTION ON THE MEMBER WHEREBY RELATIVE ROTATION OF SAID ONE SUN GEAR AND THE MEMBER CAUSES LINEAR MOVEMENT OF THE MEMBER, AND SAID SECOND SUN GEAR HAVING AN AXIALLY EXTENDING SCREW THREAD OF THE OPPOSITE BAND WHICH THREADEDLY ENGES A SCREW-THREADED PORTION OF AN ELEMENT WHEREBY RELATIVE ROTATION OF SAID SECOND SUN GEAR AND THE ELEMENT CAUSES RELATIVE AXIAL MOTION BETWEEN SAID SECOND SUN GEAR AND THE ELEMENT, AND MEANS FOR LIMITING MOTION TO AN EXTENT WHICH IS LESS THAN THE EXTENT OF THE LINEAR MOVEMENT OF THE MEMBER BETWEEN ITS TWO POSITIONS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |