E - Fixed Constructions – 05 – F
Patent
E - Fixed Constructions
05
F
E05F 11/02 (2006.01) E05C 9/00 (2006.01) E05F 11/16 (2006.01)
Patent
CA 2135247
Title: OPERATOR FOR AN OPENING WING Abstract: An operator for a casement supported in an outer frame by a pair of stays at the top and bottom of the casement has an operating arm for controlling pivotal movement of the casement about a vertical axis and a locking arm for controlling actuation of a fastening mechanism to secure the casement in the closed position. The operating arm and locking arm are operable in sequence by rotation of a handle through a drive mechanism to operate the fastening mechanism when the casement is closed
Harrison Peter James
Tippin Arthur David
Hardware & Systems Patents Limited
Macrae & Co.
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