US3124012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary drive multiple position latch
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:08
CPC Classifications
F; F16; F16D; F16D71/00; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18952; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
APPARATUS FOR LATCHING A ROTARY MEMBER IN A PLURALITY OF ROTATED POSITIONS COMPRISING A WHEEL, MEANS COUPLING THE WHEEL FOR ROTATION WITH SAID ROTARY MEMBER AND PROVIDED PERIPHERALLY WITH A PLURALITY OF DETENTS, A SUPPORT BRACKET FORMED WITH A PAIR OF FLANGE MEMBERS PROJECTING OUTWARDLY IN OPPOSITE DIRECTIONS, A RECIPROCABLY FLUID PRESSURE DRIVEN MEMBER CARRIED BY SAID SUPPORT BRACKET, A PAIR OF TOGGLE LINKS PIVOTALLY COUPLED ON A COMMON AXIS TO SAID DRIVEN MEMBER AND EXTENDING OUTWARDLY FROM SAID COMMON AXIS GENERALLY PARALLEL TO SAID FLANGES, A ROCKER ARM PIVOTALLY COUPLED AT ONE END TO THE OUTER END OF EACH OF SAID TOGGLE LINKS, LATCH MEANS CARRIED BY THE OTHER END OF ROCKER ARMS, AND MEANS PIVOTALLY COUPLING THE OUTER END OF EACH OF SAID FLANGES MEDIALLY TO EACH OF SAID ROCKER ARMS, SAID LINKS, ARMS AND FLANGES FORMING A TOGGLE ARRANGEMENT SUPPORTING SAID LATCH MEANS IN DIAMETRICALLY-OPPOSED POSITIONS ON EITHER SIDE OF SAID WHEEL, SAID TOGGLE SWINGABLY MOVING SAID LATCH MEANS INTO AND OUT OF DETENT-ENGAGING POSITIONS.
Claim 2
Dependent Claim
168 words
APPARATUS FOR LATCHING A ROTARY MEMBER IN A PLURALITY OF ROTATED POSITIONS COMPRISING A WHEEL, MEANS COUPLING THE WHEEL FOR ROTATION WITH SAID ROTARY MEMBER AND PROVIDED PERIPHERALLY WITH A PLURALITY OF DETENTS, A SUPPORT BRACKET FORMED WITH A PAIR OF FLANGE MEMBERS PROJECTING OUTWARDLY IN OPPOSITE DIRECTIONS, A RECIPROCABLY FLUID PRESSURE DRIVEN MEMBER CARRIED BY SAID SUPPORT BRACKET, A PAIR OF TOGGLE LINKS PIVOTALLY COUPLED ON A COMMON AXIS TO SAID DRIVEN MEMBER AND EXTENDING OUTWARDLY FROM SAID COMMON AXIS GENERALLY PARALLEL TO SAID FLANGES, A ROCKER ARM PIVOTALLY COUPLED AT ONE END TO THE OUTER END OF EACH OF SAID TOGGLE LINKS, LATCH MEANS CARRIED BY THE OTHER END OF ROCKER ARMS, AND MEANS PIVOTALLY COUPLING THE OUTER END OF EACH OF SAID FLANGES MEDIALLY TO EACH OF SAID ROCKER ARMS, SAID LINKS, ARMS AND FLANGES FORMING A TOGGLE ARRANGEMENT SUPPORTING SAID LATCH MEANS IN DIAMETRICALLY-OPPOSED POSITIONS ON EITHER SIDE OF SAID WHEEL, SAID TOGGLE SWINGABLY MOVING SAID LATCH MEANS INTO AND OUT OF DETENT-ENGAGING POSITIONS.
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |