Apparatus for mounting and stabilizing a tiltable window sash

Details Apparatus for mounting and stabilizing a tiltable window sash Apparatus for mounting and stabilizing a tiltable window sash

1985-06-11

1987-02-24

Dorner, Kenneth J.

Movable or removable closures

Mounted for optional movements

Pivoted closure within framework of double hung sash

49181, 403 61, E05D 1522

Patent

active

046446915

ABSTRACT:
A window sash is mounted for downward and inward tilting by a pair of grooved spools which project laterally into channels formed in the side jambs of the window. The grooves in the spools track along vertical ribs formed in the channels and normally move freely along the ribs to permit free up and down movement of the sash. When the sash is tilted downwardly and inwardly, the side walls of the spool grooves frictionally pinch the ribs to restrict up and down movement of the sash and to help stabilize the tilted sash.

REFERENCES:
patent: 781971 (1905-02-01), Thomas
patent: 2699346 (1955-01-01), Roethel
patent: 3399490 (1968-09-01), Hettinger
patent: 3441978 (1969-05-01), Perry
patent: 4144674 (1979-03-01), Dovman
patent: 4364199 (1982-12-01), Johnson et al.

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