Sawhorse

Details Sawhorse Sawhorse

1992-07-06

1994-05-24

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Self-sustaining

Scaffold horse

182151, 182224, F16M 1100

Patent

active

053140419

ABSTRACT:
A sawhorse apparatus which is sturdy and easily assembled or disassembled facilitating efficient storage and mobility. The invention is more sturdy than prior devices because it incorporates "cross beam support channel(s)" that extend down most or all of its length, providing rigidity in all directions. The invention employs two alternative embodiments. "Type A" features a single three sided channel that cradles the bottom of the cross beam and interfaces with a plurality support leg device using tapered dovetail or "T" rail groove joints. "Type B" features separate channel members, one attached to each end of the cross beam member and the combination extending along all or most of the cross beam length. The channel members are integrally molded to end pieces that provide sockets into which lumber support legs are inserted.

REFERENCES:
patent: 302945 (1884-08-01), Sargent
patent: 1147668 (1915-07-01), Anderson
patent: 1377425 (1921-05-01), Milnes
patent: 2812219 (1957-11-01), Lange
patent: 3788581 (1974-01-01), Rutzick
patent: 4565263 (1986-01-01), Southworth

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