Static structures (e.g. – buildings) – With lifting or handling means for primary component or... – Position adjusting means; e.g. – leveling
Patent
1988-12-23
1989-08-01
Friedman, Carl D.
Static structures (e.g., buildings)
With lifting or handling means for primary component or...
Position adjusting means; e.g., leveling
52204, 52209, 52397, 49DIG2, E04B 282
Patent
active
048523127
ABSTRACT:
A window frame assembly includes a frame member having a longitudinally extending channel with a bottom surface and front and rear walls. Each wall has a longitudinally extending recess adjacent to the bottom surface. The window frame assembly also has a plurality of support members for a window unit, the support members being longitudinally spaced along the channel. Each support member rests on the bottom surface of the channel and has front and rear longitudinally extending projections in snapping engagement in the recesses in the front and rear walls of the channel.
REFERENCES:
patent: 2300485 (1942-11-01), Bristow
patent: 2612663 (1952-10-01), Pearse
patent: 3703063 (1972-11-01), Budich et al.
patent: 4420919 (1983-12-01), Weber
Delbridge Robert F.
Fors Arne L.
Friedman Carl D.
Plastmo Ltd.
Smith Creighton
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