Window structure

Details Window structure Window structure

1983-08-16

1985-04-02

Kannan, Philip C.

Movable or removable closures

With means mounting closure for reciprocation

With latch or lock

49DIG1, 292DIG47, 292DIG49, E05D 1304

Patent

active

045078947

ABSTRACT:
A universal single hung window including a frame and at least one prime window sash therein movable in the plane of the frame and tiltable about the lower edge thereof out of the plane of the frame, whereby the window may be used as a single hung or a hopper window in one position thereof and in another position thereof may be used as a glider window. The window structure includes a thermal barrier between a prime window and a storm window. A pivot lock having an over center spring therein extends in one position thereof into the path of the one prime window sash to lock it in closed position. In another position thereof the pivot lock permits movement of the one prime window sash in the plane of the frame.

REFERENCES:
patent: 1596935 (1926-08-01), Marshall
patent: 3335523 (1967-08-01), Isler et al.
patent: 3403490 (1968-10-01), Luedtke
patent: 4054308 (1977-10-01), Prohaska

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