Loading spout hoist mechanism

Details Loading spout hoist mechanism Loading spout hoist mechanism

1997-10-16

1998-09-01

Krizek, Janice L.

Material or article handling

Marine loading or unloading system

Marine vessel to/from shore

193 25C, 193 30, 4141431, 414299, B65G 1110

Patent

active

058001123

ABSTRACT:
A loading spout hoist mechanism comprises a multiple monospiral winch drum. The drum is located under the top of the loading spout, and the loading spout passes through it. The multiple monospiral winch drum is supported on two rings, the first of which is located inside the second. The first ring is fixed to the loading spout support frame, and the second ring is journalled to first one. The second ring also carries a ring gear, which may comprise gear teeth machined into the ring, or a separate ring gear attached to the second ring. The loading spout support frame carries a pinion drive mechanism which engages the ring gear, and can rotate the second ring in either direction, to raise and to lower the loading spout by winding in or out the loading spout support cables carried in each monospiral of the winch drum. In a modification, the loading spout is attached to the support frame by motorised pin mechanisms. The loading spout hoist is compact, permits precise movement of the bottom end of the loading spout, and does not interfere with the feed belts used to deliver solids to the loading spout.

REFERENCES:
patent: 4277214 (1981-07-01), Mahle et al.
patent: 5372229 (1994-12-01), Leibling

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