Grab

Handling: hand and hoist-line implements – Hoist-line slings – Latch release

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Details

37185, 294112, B66C 312

Patent

active

043950663

ABSTRACT:
A grab comprising a pair of buckets interconnected by way of arms capable of pivoting movement relative to each other, and the free ends of which are provided with sheaves for guiding operating or closing ropes by which the buckets can be opened and closed. The rear edges of the buckets are secured by way of ropes or the like to a cross-beam, to which the hoist ropes are connected. According to the invention, the arms are provided at some distance from their free ends with arcuate bridge members or elevations, directed to one another, which roll one over the other as the grab buckets are opened and closed.

REFERENCES:
patent: 559384 (1896-05-01), Hunt
patent: 707484 (1902-08-01), Wirsing
patent: 1153950 (1915-09-01), Peterson
patent: 2205325 (1940-06-01), Venable
patent: 3807783 (1974-04-01), Huuksloot

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