Snatch block with improved hook bolt assembly

Details Snatch block with improved hook bolt assembly Snatch block with improved hook bolt assembly

1985-01-22

1986-09-30

Watkins, Donald

Implements or apparatus for applying pushing or pulling force

Device or member for contacting and guiding moving cable

Including rotatable, cable contacting, pulley wheel element

254406, B66C 114, B66D 304

Patent

active

046143327

ABSTRACT:
This concerns a snatch block for free stringing rope to a sheave supported between two side plates, one of which is movable. One of the side plates, called a swing plate, is rotatable with respect to the sheave. A removable bolt holds the two side plates together. Means are provided to prevent the bolt from falling completely out of the non-movable side plate when the other side plate is moved. Further, special means are provided for the bolt to help support the spool and further novel means are provided to aid in preventing the trunnion and hook from falling off the spool when the side plate is swung free.

REFERENCES:
patent: 1070834 (1913-08-01), Nissen
patent: 1114814 (1914-10-01), Smith
patent: 2162080 (1939-06-01), Hacker
patent: 2288116 (1942-06-01), Stillwagon
patent: 2366636 (1945-01-01), McKissick et al.
patent: 2474433 (1949-06-01), McKissick
patent: 2649282 (1953-08-01), Fate
patent: 2741458 (1956-04-01), Le Bus

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