Sliding door

Details Sliding door Sliding door

1993-03-01

1994-10-04

Kannan, Philip C.

Movable or removable closures

With operator for movably mounted closure

Operator drives closure along guide

74 8917, 74422, E05F 1154

Patent

active

053514416

ABSTRACT:
A sliding door which is moveable back and forth by a stationary drive motor nit, which has a drive pinion meshing with a gear rack attached to the door or the door's bottom rail, the gear rack being made of a series of adjacent rack segments extending in the sliding direction of the door and inserted in a retaining channel affixed to the door, the segments being manufactured as finished molded pieces and attached to each other with uniform tooth pitch along the rack, whereby the rack is low in cost, adaptable to various door displacement distances, and parts which are subject to heavy wear are readily replaceable.

REFERENCES:
patent: 2563702 (1951-08-01), Benford
patent: 2651541 (1953-09-01), Surles
patent: 3241283 (1966-03-01), Ahlgren
patent: 3257756 (1966-06-01), Mealer
patent: 3636791 (1972-01-01), Barr
patent: 4366649 (1983-01-01), Weigant
patent: 4722238 (1988-02-01), Navarro
patent: 5058446 (1991-10-01), Guey

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