Movable or removable closures – With means mounting closure for reciprocation – Pendant from horizontal guide
Patent
1980-07-23
1982-10-26
Downey, Kenneth
Movable or removable closures
With means mounting closure for reciprocation
Pendant from horizontal guide
E05D 1302
Patent
active
043554865
ABSTRACT:
A slidable door assembly for opening and closing an opening or entranceway including a hanger plate having hanger and up-thrust rollers thereon, a door panel fixed to the hanger plate, and a support structure disposed above the door opening. The support structure includes a hanger track upon which the hanger rollers travel, and a horizontally oriented guide or bearing surface which co-acts with the up-thrust rollers. A door stabilizer is fixed to the door panel, adjacent to its trailing edge, with reference to its closing movement, which includes a roller whose rotational axis is disposed outside the vertical projection of the door panel. The roller of the door stabilizer co-acts with a guide surface, which may be the same guide surface used by the up-thrust rollers, to protect the up-thrust rollers from excessive force, and prevent untracking of the hanger rollers, when a force is applied to the leading edge of the door panel.
REFERENCES:
patent: 246286 (1881-08-01), Brinton
patent: 1177018 (1916-03-01), Clemmons
patent: 2905463 (1959-09-01), Borden
patent: 3426480 (1969-02-01), Dzamba
Downey Kenneth
Lackey D. R.
Westinghouse Electric Corp.
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