Fire escape – ladder – or scaffold – Torso harness – Ladder-associated
Patent
1978-09-25
1981-05-26
Machado, Reinaldo P.
Fire escape, ladder, or scaffold
Torso harness
Ladder-associated
E06C 718, A62B 116
Patent
active
042692849
ABSTRACT:
A sliding clamp is provided for slideable mounting upon variously sized rails and has an adaptor disposed between the clamp housing and rail surface for accommodating the clamp to variously smaller sized rails for support and easy sliding fit upon such rails. The adaptor may be of plastic and particularly at least its inner surface in contact with the rail may be formed of a lubricating plastic substance for substantially friction free sliding movement thereon.
REFERENCES:
patent: 1941768 (1934-01-01), Vigne
patent: 3348632 (1967-10-01), Swager
patent: 4072372 (1978-02-01), Korrenn
patent: 4085818 (1978-04-01), Swager
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