Casement window operating mechanism

Movable or removable closures – With operator for movably mounted closure – Operating lever or link and closure swing about parallel axes

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Details

49249, 49260, 49345, E05F 1124

Patent

active

043016227

ABSTRACT:
Right and left hand casement windows employ a simple and compact operating linkage which can be installed either to the right or to the left of a center mounted gear drive, thus accomplishing universal operation of left or right hand windows through a structurally identical linkage. Locking tabs provided on an operator link of the mechanism coact in right or left hand mode of operation with locking projections on a stabilizer link to assure positive and secure closing of the window even in cases where the primary jamb-mounted window sash latch is unfastened.

REFERENCES:
patent: 3438151 (1969-04-01), Evers et al.
patent: 4241541 (1980-12-01), Van Klompenburg et al.

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