Fire escape – ladder – or scaffold – Unitary foldable – rigid scaffold or ladder – Trestle
Patent
1979-06-01
1981-10-27
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Unitary foldable, rigid scaffold or ladder
Trestle
182181, 182225, F16M 1100
Patent
active
042968348
ABSTRACT:
A folding sawhorse having an improved leg brace and storage hasp means. The sawhorse is of a type having two sets of leg pairs hingedly connected to a sawhorse top and having a brace extendable between each leg pair and the sawhorse top. The leg pairs are moveable between a folded orientation parallel with, and a set up attitude substantially normal to, the sawhorse top for, respectively, the sawhorse folded storage state and set up position. In the set up position, the tops of the leg pairs abut the underside of the sawhorse top to limit movement of the leg pairs in one direction. The leg pair braces when locked in position prevent movement of the leg pairs in the other direction. According to a preferred embodiment, a resilient brace is provided for each sawhorse leg pair. Brace locking means holds each brace in a state of compression between its associated leg pair and the sawhorse top whereby the brace continuously exerts pressure on the leg pair and the sawhorse top to urge the leg pair top into abutment against the underside of the sawhorse top and thereby provide a highly stable folding sawhorse. The preferred embodiment storage hasp includes a screw eye staple extending from the underside of the sawhorse top. The leg pair braces in essence form double, overlapped hasp tongues. A slot in each of the leg pair braces provides passage therethrough of said staple and a hook on one of the braces engages the staple to secure both of the leg pairs and their associated braces in an orientation parallel to the sawhorse top and provide a compact sawhorse which is easy to handle and store in a folded storage state.
REFERENCES:
patent: 2544989 (1951-03-01), Garibaldi
patent: 2725269 (1955-11-01), Oakes
patent: 3225865 (1965-12-01), Downey
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