Fire escape – ladder – or scaffold – Self-sustaining – Scaffold horse
Patent
1992-06-02
1994-04-05
Chin-Shue, Alvin C.
Fire escape, ladder, or scaffold
Self-sustaining
Scaffold horse
182224, 269289MR, F16M 1100
Patent
active
052996565
ABSTRACT:
A jaw horse apparatus and method for using the same to support materials. The apparatus includes an adjustable bi-leg assembly which has a set of jaws which engage with a main elongated portion of a uni-leg assembly to form a three leg support. The main portion has an aperture which receives a rod holding an elongated head piece that has an adjustable hinge. An extension arm attaches to the leg of either the uni-leg or bi-leg assembly. The head piece and extension arm may be combined with head pieces on other jaw horse apparatuses or may be used separately to support various materials. The head piece may be a roller type, ball head type or a flat drilled head type, depending on the use of the apparatus. The apparatus when not in use may be folded up into a flat package.
REFERENCES:
patent: Re23097 (1949-04-01), Imes
patent: 140858 (1873-07-01), Tilley
patent: 841931 (1907-01-01), Chesebro
patent: 2158939 (1939-05-01), Hussey
patent: 2611570 (1952-09-01), Kroll
patent: 4375245 (1983-03-01), Schill
patent: 4492354 (1985-01-01), Rice
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