Window sash support and movement lock assembly

Details Window sash support and movement lock assembly Window sash support and movement lock assembly

1986-10-10

1988-01-12

Kannan, Philip C.

Movable or removable closures

Mounted for optional movements

Pivot mounted on sliding member; e.g., slide-stile

49453, E05D 1522

Patent

active

047181940

ABSTRACT:
A window sash support and movement lock assembly reciprocably disposed within an associated track element. The sash support and movement lock assembly includes a body with a center opening and guide surfaces on each end. A cam unit is received in the center opening and, upon cam rotation caused by tilting of an associated window sash, the guide surfaces are biased apart and into snug engagement with parts of the track element; one part of one of the guide surfaces also carries one or more pins which then engage an end wall of the track unit to provide a secure locking action.

REFERENCES:
patent: 3482354 (1969-12-01), Trout
patent: 4068406 (1978-01-01), Wood
patent: 4079549 (1978-03-01), Wood
patent: 4364199 (1982-12-01), Johnson et al.
patent: 4590708 (1986-05-01), Campodonico

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