Elevating device

Details Elevating device Elevating device

1977-03-28

1978-12-19

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Platform with elevating or lowering means

182 63, 187 18, 52109, E04G 122

Patent

active

041301781

ABSTRACT:
An elevating device is described having one or more pairs of crossed scissors members, each member having at least two telescoping sections. The scissors members are mounted for pivotal movement with respect to each other, and means are included for interconnecting opposed scissors members for effecting extension of the telescoping sections in response to the pivoting of the scissors members.

REFERENCES:
patent: 3442351 (1969-05-01), Parrish
patent: 3596735 (1971-08-01), Denier
patent: 3820631 (1974-06-01), King

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