Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Patent
1979-08-03
1980-09-09
McCarthy, Edward J.
Implements or apparatus for applying pushing or pulling force
Apparatus for hauling or hoisting load, including driven...
Device includes rotatably driven, cable contacting drum
254358, 24116R, 403157, 403 73, B66D 100
Patent
active
042213649
ABSTRACT:
A chain block having an attaching member connected to the load-free end link of a load chain entrained around a load sprocket wheel rotatably supported by and between a pair of lateral plates. The attaching member is pivotally mounted at one end portion thereof between the pair of lateral plates by a pin which extends through the attaching member and the pair of lateral plates. The other end portion of the attaching member at which the latter is connected to the load-free end link of the load chain is formed on both sides thereof with boss-like projections adapted to abut against the peripheries of the pair of lateral plates to thereby increase the strength with which the load-free end link of the load chain is attached to the pair of lateral plates, thereby improving the safety of the chain block.
REFERENCES:
patent: 916111 (1909-03-01), Cross
patent: 1458354 (1923-06-01), Neller
patent: 2261963 (1941-11-01), Coffing
patent: 2656150 (1953-10-01), Lock
Kabushiki Kaisha Toa Kiaki Seisakusho
McCarthy Edward J.
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