Locking tilt window sash and lock therefor

Details Locking tilt window sash and lock therefor Locking tilt window sash and lock therefor

1985-11-15

1986-11-25

Kannan, Philip C.

Movable or removable closures

Mounted for optional movements

Pivoted closure within framework of double hung sash

49175, 49185, 292164, E05D 1522

Patent

active

046240730

ABSTRACT:
A tilting window sash having a lock pin intermediate the ends of the vertical stiles which supports perpendicular loads to prevent inward bowing of the sash and which automatically releases upon normal lifting and/or tilting of the sash.

REFERENCES:
patent: 655382 (1900-08-01), Talbot
patent: 4144674 (1979-03-01), Dovman
patent: 4525952 (1985-07-01), Cunningham et al.

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