Collector for hoist chain

Details Collector for hoist chain Collector for hoist chain

1977-06-28

1978-09-19

Blix, Trygve M.

Implements or apparatus for applying pushing or pulling force

Step-by-step traveling bar

Pawl actuated

74 68, B66D 176

Patent

active

041148550

ABSTRACT:
A differential gear or motor driven shaft carries drive sprockets for a m chain having a load end and a tail end. The shaft also carries a pulley or gear for driving with a belt or chain a corresponding pulley or gear on an intermediate shaft. This intermediate shaft also carries a pulley or gear which drives a belt or chain, and this belt or chain in turn turns a pulley on an idler shaft. The idler shaft also has chain idler pulleys thereon and other pulleys or gears for driving with belts or chains corresponding pulleys or gears on chain storage shafts. These chain storage shaft carry chain storage sprockets. The main chain is reeved around the drive sprockets, with the load ends hanging down and the tail ends reeved around the idler pulleys and the chain storage sprockets. As the load ends of the main chain are hauled in or paid out, the tail ends are respectively fed into or out of chain storage bins beneath the chain storage sprockets.

REFERENCES:
patent: 68794 (1867-09-01), Rung
patent: 235645 (1880-12-01), Pyott
patent: 1164629 (1915-12-01), Bergman
patent: 1239110 (1917-09-01), Knutson
patent: 1327181 (1920-01-01), Taussig
patent: 2286388 (1942-06-01), Smith
patent: 2453581 (1948-11-01), Moore
patent: 2979829 (1961-04-01), Uhleen

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