Grab or the like

Details Grab or the like Grab or the like

1978-01-23

1979-12-04

Marbert, James B.

Handling: hand and hoist-line implements

Hoist-line slings

Latch release

37187, E02F 344

Patent

active

041768728

ABSTRACT:
A grab or the like substantially comprising a frame or upper structure having for each grab bucket pivoting levers, at the end of which there is positioned the pivot point of a grab bucket, while each grab bucket can furthermore be pulled by means of a rope to the opened position and via a lever system connected to a pulley block movable in the frame, into the closing position, whereby each grab bucket is connected through a pair of levers to a pulley block such that, in the opened position of the grab buckets, this can form an angle of 180.degree., while the grab buckets, in an intermediate position of the movable pulley block, sealingly abut against the lower and side boundary edges.

REFERENCES:
patent: 3949498 (1976-04-01), Iwata et al.
patent: 4047313 (1977-09-01), Bricon

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