Motor-operated sliding door assembly

Details Motor-operated sliding door assembly Motor-operated sliding door assembly

1986-08-13

1987-06-16

Kannan, Philip C.

Movable or removable closures

With operator for movably mounted closure

Closure-mounted drive

49139, E05F 1100

Patent

active

046727736

ABSTRACT:
A horizontally sliding door section with a floor-engaging wheel driven from a motor. The wheel and its drive are located within the front-to-back extent of the door section in a housing hinged at one end on the bottom of the frame of the door section. A lead screw operated by a manual crank can be used to pivot the housing up about its hinge to raise the wheel from engagement with the floor of the building. The housing for the wheel has a removable front wall which carries the front bearing for the axle of the wheel, so that removal of this front wall disengages this bearing from the wheel axle.

REFERENCES:
patent: 1631416 (1927-06-01), Howard
patent: 1694431 (1928-12-01), Russel et al.
patent: 3257756 (1966-06-01), Mealer
patent: 3462883 (1969-08-01), Reeks et al.
patent: 3606699 (1971-09-01), Robinson, Jr.
patent: 3775906 (1973-10-01), Dougherty
patent: 4162592 (1979-07-01), Taniwaki
patent: 4520592 (1985-06-01), Holloway
Bulletin/Norco Manufacturing Corporation, "Norco Electric Door Wheelers".
Bulletin/M. Bilt Enterprise, "Well Bilt Hangar Door Systems".

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