Fire escape – ladder – or scaffold – Self-sustaining – Scaffold horse
Patent
1999-06-03
2000-05-09
Chin-Shue, Alvin
Fire escape, ladder, or scaffold
Self-sustaining
Scaffold horse
1821865, B27B 2100
Patent
active
060590718
ABSTRACT:
A sawhorse for supporting items thereon. The sawhorse includes an elongate cross bar and a plurality of legs. The cross bar has a pair of opposite ends, top and bottom faces, and a pair of side faces. Each end of the cross bar has a pair of downwardly sockets thereadjacent. Each of the legs is associated with a corresponding socket. The legs each have a deployed position where an end of the respective leg is inserted into the associated corresponding socket such that the legs downwardly extend from the cross bar. Each side face of the cross bar has an elongate channel therein. The legs also have a stored position where a first pair of legs of the plurality of legs are inserted into one of the elongate channels and a second pair of legs of the plurality of legs are inserted into the other of the elongate channels.
REFERENCES:
patent: 467081 (1892-01-01), Church
patent: 1147668 (1915-07-01), Anderson
patent: 2698771 (1955-01-01), O'Rourk
patent: 3414080 (1968-12-01), Doucette
patent: 4747469 (1988-05-01), Phillips
patent: 5362020 (1994-11-01), Brown
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