Seine-hauling power blocks

Details Seine-hauling power blocks Seine-hauling power blocks

1974-09-30

1976-06-22

Spar, Robert J.

Implements or apparatus for applying pushing or pulling force

Method or apparatus for placement of conductive wire

Conduit snakes

43 8, A01K 7306

Patent

active

039647307

ABSTRACT:
A power block is mounted above the deck of a trawler for hauling in seine to be piled on the deck. Rollers mounted on the power block are engageable by a seine looped over the sheave of the power block to increase the arc of wrap of a seine draped over the block sheave for increasing the traction of the sheave on the seine.

REFERENCES:
patent: 981918 (1911-01-01), Davidson
patent: 1164629 (1915-12-01), Bergman
patent: 2810980 (1957-10-01), Puretic
patent: 3161980 (1964-12-01), James
patent: 3791625 (1974-02-01), Viljoen
patent: 3847378 (1974-11-01), Roemer, Jr.

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