Fast-lowering hydraulic equipment

Details Fast-lowering hydraulic equipment Fast-lowering hydraulic equipment

1988-07-26

1989-09-19

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Torso harness

Attached to strand wound on reel, and means for retarding...

182 42, 182238, A62B 112

Patent

active

048672769

ABSTRACT:
A fast-lowering hydraulic equipment is described, fully automatic (10) which includes a box (11) with two chambers (12, 13) separated by a partition wall (14) where a central supporting shaft (19) is arranged. A chain (42), rope (71) or steel cable (66) with safety belt (80, 85) working on a pulley (30 or 72) or spool (65), drives a gear device (34, 35, 39, 40), amplifying the rotation at the central shaft (19) which, in its opposite end presents a propeller with blades (24) submerged in the oil chamber (12), retarding thus the lowering speed.
The hydraulic equipment in reference is adequate to be used in rescuing, maintenance or other jobs at any height, at the facade of buildings or similar situations, and may be stored in a sealed deposit box (140) for equipment protection, attached to the wall at strategic sites, propitiating higher safety in tall buildings and constructions.

REFERENCES:
patent: 4437546 (1984-03-01), Marinoff
patent: 4452430 (1984-06-01), Kankkunen
patent: 4480716 (1984-11-01), Soubry
patent: 4554997 (1985-11-01), Sheu
patent: 4655327 (1987-04-01), Tomioka
patent: 4688659 (1987-08-01), Sheu
patent: 4722422 (1988-02-01), Hiraoka
patent: 4781269 (1988-11-01), Clay

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