Confined space entry apparatus

Details Confined space entry apparatus Confined space entry apparatus

1990-10-29

1992-09-15

Huppert, Michael S.

Fire escape, ladder, or scaffold

Torso harness

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

182236, 182142, 254267, 254286, A62B 108, B66D 502

Patent

active

051470136

ABSTRACT:
Apparatus for moving personnel or materials through an opening in a sidewall of a vessel and down into the vessel wherein a lower support and an upper support are mounted on the portion of the sidewall defining the opening and have a tripod supported thereon and located within the vessel. A hoist and a fall arresting device are mounted on the upper support and the cables thereof are passed over pulleys mounted on the tripod so that personnel or materials may be attached to the snaphook on the end of the cable and moved through the opening and lowered into the vessel.

REFERENCES:
patent: 193259 (1877-07-01), Lewis et al.
patent: 1123776 (1915-01-01), Meyer
patent: 4202427 (1980-05-01), Sada et al.
patent: 4660679 (1987-04-01), Ostrobrod
patent: 4781269 (1988-11-01), Clay
patent: 4846313 (1989-07-01), Sharp

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