Casement window operating mechanism

Details Casement window operating mechanism Casement window operating mechanism

1980-06-27

1981-11-24

Kannan, Philip C.

Movable or removable closures

With operator for movably mounted closure

Operating lever or link and closure swing about parallel axes

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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