US3180635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swinging door and gate operator
Assignee: —
•
Filing: —
•
Granted: 1965-04-27
•
Expires: 1982-04-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:47
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/611; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A POWER DRIVE MECHANISM FOR A HINGED BARRIER SUCH AS A GATE OR A GARAGE DOOR WHICH COMPRISES: (A) A ROTARY PRIME MOVER ADAPTED TO BE MOUNTED ADJACENT SAID HINGE, (B) A SCREW SHAFT JOURNALLED ADJACENT SAID PRIME MOVER AND DRIVEN BY SAID PRIME MOVER, (C) A CHAIN MOUNTED ADJACENT SAID SCREW SHAFT HAVING A RUN PARALLEL TO SAID SHAFT, (D) PULLEYS MOUNTING SAID CHAIN, (E) A DRIVE SHUTTLE THREADABLY MOUNTED ON SAID SCREW AND AFFIXED TO SAID CHAIN IN A MANNER TO DRIVE SAID PULLEYS UPON ROTATION OF SAID SCREW, (F) A POWER SHAFT MOUNTING ONE OF SAID PULLEYS, AND (G) LINKAGE TO CONNECT SAID POWER SHAFT TO A HINGED BARRIER INCLUDING A FIRST ARM RIDIDLY AFFIXED TO SAID SHAFT, AND A SECOND ARM PIVOTALLY CONNECTED TO SAID FIRST ARM AND ADAPTED TO BE PIVOTALLY CONNECTED TO SAID BARRIER IN SUCH A MANNER THAT SAID FIRST ARM IS OPERATED IN THE SAME DIRECTION AS IT IS DESIRED TO MOVE THE BARRIER.
Claim 2
Dependent Claim
162 words
A POWER DRIVE MECHANISM FOR A HINGED BARRIER SUCH AS A GATE OR A GARAGE DOOR WHICH COMPRISES: (A) A ROTARY PRIME MOVER ADAPTED TO BE MOUNTED ADJACENT SAID HINGE, (B) A SCREW SHAFT JOURNALLED ADJACENT SAID PRIME MOVER AND DRIVEN BY SAID PRIME MOVER, (C) A CHAIN MOUNTED ADJACENT SAID SCREW SHAFT HAVING A RUN PARALLEL TO SAID SHAFT, (D) PULLEYS MOUNTING SAID CHAIN, (E) A DRIVE SHUTTLE THREADABLY MOUNTED ON SAID SCREW AND AFFIXED TO SAID CHAIN IN A MANNER TO DRIVE SAID PULLEYS UPON ROTATION OF SAID SCREW, (F) A POWER SHAFT MOUNTING ONE OF SAID PULLEYS, AND (G) LINKAGE TO CONNECT SAID POWER SHAFT TO A HINGED BARRIER INCLUDING A FIRST ARM RIDIDLY AFFIXED TO SAID SHAFT, AND A SECOND ARM PIVOTALLY CONNECTED TO SAID FIRST ARM AND ADAPTED TO BE PIVOTALLY CONNECTED TO SAID BARRIER IN SUCH A MANNER THAT SAID FIRST ARM IS OPERATED IN THE SAME DIRECTION AS IT IS DESIRED TO MOVE THE BARRIER.
References Cited (Backward Citations)
US2822166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |