Movable or removable closures – With means mounting closure for reciprocation – With latch or lock
Patent
1988-05-13
1989-10-10
Kannan, Philip C.
Movable or removable closures
With means mounting closure for reciprocation
With latch or lock
16 87R, 49409, E05D 1304
Patent
active
048722871
ABSTRACT:
A track has walls which enclose a hollow interior and among these walls are two laterally directed flanges which are separated by a slot that opens downwardly out of the track for the full length of the track. The track contains trolleys having wheels which roll along flanges of the track and the trolleys carry hangers which depend through the slot in the track and are attached to a door or some other suspended device. One of the trolleys also carries a latching mechanism which engages a keeper located within the track to secure the trolleys and suspended device in a predetermined position along the track. The latching mechanism includes a latch bar which pivots on the trolley between engage and release position and a spring which urges the bar to its engage position--the position in which it will engage the keeper upon encountering the keeper. The latching mechanism also includes a release cord which depends from its latch bar through the slot in the track and, when pulled, causes the latch bar to pivot against the bias of the spring.
REFERENCES:
patent: 556572 (1896-03-01), Bataille
patent: 1085065 (1914-01-01), Speicher
patent: 1397206 (1921-11-01), Geiger
patent: 1851296 (1932-03-01), Schwartz et al.
patent: 1940971 (1933-12-01), Schwartz et al.
patent: 2990566 (1961-07-01), Lee
patent: 4206850 (1980-06-01), Grube
patent: 4502246 (1985-03-01), Minami
patent: 4513554 (1985-04-01), Johnson et al.
C. Hager & Sons Hinge Manufacturing Company
Kannan Philip C.
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