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US3708917A Expired / Lapsed US ⏱️ 0.0 years remaining

Locking device for overhead garage door

Assignee: Individual
•
Filing: 1971-02-02
•
Granted: 1973-01-09
•
Expires: 1991-02-02
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Abstract

Abstract In a motor operated overhead garage door the operator is connected to a bell-crank lever pivotally mounted on the garage door so that the first movement of the operator swings the bellcrank lever to retract a spring pressed locking device for locking the door in closed position. Further movement of the operator lifts the door in a conventional manner.

Inventors

  • 👤 P Streeter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 15:35
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05F15/668; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/218; E05Y2201/22; E05Y2201/23; E05Y2201/232; E05Y2201/24; E05Y2201/40; E05Y2201/43; E05Y2201/434; E05Y2600/00; E05Y2600/10; E05Y2600/30; E05Y2600/31; E05Y2600/60; E05Y2600/62; E05Y2900/00; E05Y2900/10; E05Y2900/106

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 210 words
A locking device for one piece overhead garage doors of the type which move from a closed position to an open position by swinging about a horizontal pivot and is actuated by a motor driven garage door opener which includes a horizontally movable operator comprising, a bracket secured to the upper inner surface of the garage door, a latch mechanism secured to the lower edge of the inner surface of said garage door and adapted to lock said garage door against outward swinging movement of its lower edge in an opening direction, means supported by said bracket extending from said operator to said latch for disengaging said latch upon initial horizontal movement of said operator said last named means including a bell-crank pivotally mounted on said bracket and having one arm thereof pivotally secured to said operator, a flexible cable extending from the other of said bellcrank arms to said latch, a stop integrally formed on said bracket for engagement with the other of said bell-crank arms for limiting the pivotal movement of said bell-crank in a latch disengaging direction, said latch being secured to the lower edge of said door and mounted for vertical reciprocation, and a keeper socket mounted in the garage floor for cooperation with said latch.
Claim 2
Dependent Claim 210 words
A locking device for one piece overhead garage doors of the type which move from a closed position to an open position by swinging about a horizontal pivot and is actuated by a motor driven garage door opener which includes a horizontally movable operator comprising, a bracket secured to the upper inner surface of the garage door, a latch mechanism secured to the lower edge of the inner surface of said garage door and adapted to lock said garage door against outward swinging movement of its lower edge in an opening direction, means supported by said bracket extending from said operator to said latch for disengaging said latch upon initial horizontal movement of said operator said last named means including a bell-crank pivotally mounted on said bracket and having one arm thereof pivotally secured to said operator, a flexible cable extending from the other of said bellcrank arms to said latch, a stop integrally formed on said bracket for engagement with the other of said bell-crank arms for limiting the pivotal movement of said bell-crank in a latch disengaging direction, said latch being secured to the lower edge of said door and mounted for vertical reciprocation, and a keeper socket mounted in the garage floor for cooperation with said latch.

References Cited (Backward Citations)

US2259705A Cited
US2589479A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-01-09 1976-07-10 1977-01-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-01-09 1980-07-10 1981-01-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-01-09 1984-07-10 1985-01-09 $7700.00 Window Closed / Lapsed

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