Driving and guiding apparatus for a horizontally pivoted wing

Details Driving and guiding apparatus for a horizontally pivoted wing Driving and guiding apparatus for a horizontally pivoted wing

1987-10-19

1989-04-11

Kannan, Philip C.

Movable or removable closures

Up-and-over type; e.g., moves from vertical to withdrawn...

With operator

49204, 49280, E05F 1500

Patent

active

048193763

ABSTRACT:
A driving and guiding apparatus for a counter-weighed horizontally pivoted wing, particularly for a garage door. The apparatus comprises a structure embedded in an opening that the wing is designed to close, two lateral vertical guides for the wing formed in the embedded structure, an articulation rod on each side and two lateral weight-carrying cables turning around a respective pulley. The apparatus also comprises a drive means for opening and closing the wing which includes a motor-driven transmission shaft which extends along the lintel of the opening in which the wing is mounted, a pinion mounted on each end of the transmission shaft and a toothed wheel mounted coaxially and rigid in rotation with each pulley. Each toothed wheel meshes with a respective pinion so that the rotation of the transmission shaft in one direction causes controlled unwinding of the cables, and thus the opening or lifting of the wing, and its rotation in the opposite direction causes its shutting or lowering.

REFERENCES:
patent: 3224493 (1965-12-01), Houk
patent: 3704548 (1972-12-01), Wiegleb
patent: 3839827 (1974-10-01), Dickinson
patent: 4442631 (1984-04-01), Weber
patent: 4472910 (1984-09-01), Iha

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