Device for operating a sliding door

Details Device for operating a sliding door Device for operating a sliding door

1982-11-30

1984-06-05

Kannan, Philip C.

Movable or removable closures

With operator for movably mounted closure

Operator drives closure along guide

49210, 49409, E05F 1100, E05F 1138

Patent

active

044520140

ABSTRACT:
Device for operating a sliding door comprising an endless chain guided over at least two wheels in a plane parallel to the plane of the door, said chain being provided with at least one catch which can co-operate with at least one abutment connected to the door for opening and/or closing said door. The guiding wheels of the chain being positioned such that the direction of movement of the catch has a relatively large vertical component at the beginning of the movement of the door.

REFERENCES:
patent: 1324587 (1919-12-01), Elliott
patent: 3276166 (1966-10-01), Markus
patent: 3344556 (1967-10-01), Edwards
patent: 3473266 (1969-10-01), Miller
patent: 3611637 (1971-10-01), Saino
patent: 3625328 (1971-12-01), Carli
patent: 4313281 (1982-02-01), Richmond
patent: 4404770 (1983-09-01), Markus

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