Movable or removable closures – With means mounting closure for reciprocation – Revolving guide component; e.g. – roller or gear
Patent
1982-01-26
1983-12-06
Kannan, Philip C.
Movable or removable closures
With means mounting closure for reciprocation
Revolving guide component; e.g., roller or gear
49348, 49375, 308 6R, E05D 1302
Patent
active
044184980
ABSTRACT:
A carrier member mounted on a door window is positioned between the first and second opposed facing spaced apart legs of a door mounted track. The carrier member has an axially extending cylindrical bore communicating between the track legs. First and second bearing balls are mounted within the cylindrical bore and roll against one another and respectively against the first and second track legs to provide low friction precision guided movement of the window between the open and closed positions. Tracks are preferably provided at both the front and rear of the window. One of the tracks extends vertically through the window opening. First and second carrier members and associated rolling balls are mounted on the window in vertically spaced relation and roll along semi-cylindrical grooves extending vertically along the track legs to define the path of rolling movement and support the window against pitching movement and against fore and aft movement relative the door.
REFERENCES:
patent: 2024772 (1935-12-01), Levan
patent: 2061279 (1936-11-01), Kurtzon
patent: 2236448 (1941-03-01), Roethel
patent: 2822215 (1958-02-01), Blanton et al.
patent: 3157441 (1964-11-01), Pickles
patent: 3385000 (1968-05-01), Sturtevant et al.
patent: 3703053 (1972-11-01), De Rees et al.
patent: 4240227 (1980-12-01), Hasler et al.
patent: 4297913 (1981-11-01), Garbo
Drouillard James R.
Wanlass Bert R.
General Motors Corporation
Kannan Philip C.
Leahy Charles E.
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