Operating mechanism for doors and windows

Details Operating mechanism for doors and windows Operating mechanism for doors and windows

Filed on

1976-07-07

Date issued

1977-11-29

Examiner

Kannan, Philip C.

Patent Class

Movable or removable closures

SubClass

Mounted for optional movements

SubSubClass

On alternative axes

Other Related Categories

49390, E05D 1548

Type

Patent

Status

active

Patent number

040599248

Description

ABSTRACT:
A window assembly comprises a window sash having a pair of secondary stiles which are hinged to a surrounding frame and at one of their ends to opposite sides respectively of the sash, and operating and locking mechanism including an operating member having three operating conditions whereby in a first of said conditions with the sash in a closed position the operating member locks the sash to the frame, in a second of said conditions the operating member frees the sash from the frame and locks the stiles to the sash to permit tilting of the sash with said stiles from the closed position into a ventilating position and in a third of said conditions the operating member unlocks said stiles from the sash to permit the sash to be rotated horizontally about said one end of said stiles and into a reversed position.

REFERENCES:
patent: 3434238 (1969-03-01), Muller
patent: 3728818 (1973-04-01), Lovatt

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