Externally mounted latch for slidable sash window

Details Externally mounted latch for slidable sash window Externally mounted latch for slidable sash window

1988-01-25

1989-06-13

Brittain, James R.

Movable or removable closures

Mounted for optional movements

Edgewise retractable bearing acting between closure and...

49449, 292175, E05D 1522

Patent

active

048379751

ABSTRACT:
A pre-assembled latch for mounting externally on the header of a pivotal sash window of a double-hung sash window assembly. The latch includes a housing having a spring-biased latch bolt normally providing a protruding bevelled formation for engaging a guide rail of the window assembly. The housing has means integral therewith for retaining the latch bolt operably assembled in the housing and the latch bolt has means cooperating with the housing for retaining the spring means in biasing association with the latch bolt.

REFERENCES:
patent: 139430 (1873-05-01), Smith
patent: 3095225 (1963-06-01), Domsic et al.
patent: 3698883 (1972-10-01), Di Fazio
patent: 4475311 (1984-10-01), Gibson
patent: 4553353 (1985-11-01), Simpson
patent: 4669765 (1987-06-01), Ullman

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