Confined space lowering and retrieving apparatus

Details Confined space lowering and retrieving apparatus Confined space lowering and retrieving apparatus

1993-10-25

1995-07-11

Chin-Shue, Alvin C.

Fire escape, ladder, or scaffold

Wall- or floor-attached

182142, 182231, A62B 108

Patent

active

054312485

ABSTRACT:
Apparatus for use, in conjunction with a fall arrester or load winch means, when servicing a closed vessel having a top or side manway. The apparatus being adaptable for either exterior or interior mounting having universal, flexible supporting means. The apparatus further comprising a universal bracket means for operably receiving a fall arrester or load winch, mountable in a vertical position to the manway's cover flange.

REFERENCES:
patent: 4202427 (1980-05-01), Sada et al.
patent: 4589523 (1986-05-01), Olson et al.
patent: 4842236 (1989-06-01), Youts
patent: 5147013 (1992-09-01), Olson et al.

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