Latch for pivotal sash window

Details Latch for pivotal sash window Latch for pivotal sash window

1984-04-20

1985-11-19

Kannan, Philip C.

Movable or removable closures

Mounted for optional movements

Pivoted closure within framework of double hung sash

49175, 49449, E05D 1522

Patent

active

045533539

ABSTRACT:
A latch for a pivotal window sash used in a double-hung window assembly. The latch is mounted internally in a sash frame member with its latch bolt protruding from the sash to engage in the guide rail of the master frame jamb of the window assembly. There is a finger manipulative control button external of the sash frame for releasing the bolt from said guide rail so that the window sash can be pivoted. The latch bolt is mounted under spring tension to maintain the bolt normally in a locked position.

REFERENCES:
patent: 3099050 (1963-07-01), Hetman
patent: 3153264 (1964-10-01), Lemme
patent: 3959926 (1976-06-01), Noecker et al.
patent: 4144674 (1979-03-01), Dovman
patent: 4222201 (1980-09-01), Yanessa
patent: 4263760 (1981-04-01), Gell
patent: 4475311 (1984-10-01), Gibson

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