Handling: hand and hoist-line implements – Hoistable receptacle – With discharge or loading means
Patent
1983-11-14
1985-09-03
Cherry, Johnny D.
Handling: hand and hoist-line implements
Hoistable receptacle
With discharge or loading means
37185, 294111, B66C 312
Patent
active
045388482
ABSTRACT:
A grab comprising two grab buckets (2,3) pivoted together by means of plate-like carrier arms (15,16,22,23) mounted on a pivotal shaft (8). The carrier arms (15,16,22,23) extend from the bottom of a bucket to beyond the pivotal shaft (8) and are substantially parallel to each other. The carrier arms (15,16) of one bucket (2) are located on opposite sides of a median plane perpendicular to the pivotal shaft. The two carrier arms (15,16) are interconnected at least at their ends (19) and provided with guide pulleys and "close" pulleys (11,12) for guiding the closing ropes (6). The ends (27,28) of the carrier arms (22,23) of the other bucket (3) are made of double-walled construction by means of stiffening plates (25,26) connected to them in spaced relationship thereto. The carrier arms are arranged to pass by each other, so that the grab can be fully opened (FIG. 2b). Closing ropes (6) are secured to the ends of the carrier arms (22,23) of the other bucket (3).
REFERENCES:
patent: 1571838 (1926-02-01), Hutson
patent: 1909867 (1933-05-01), Olson
patent: 2617211 (1952-11-01), Olson
patent: 3544150 (1970-12-01), Huuksloot
patent: 3716265 (1973-02-01), Huuksloot
patent: 4395066 (1983-07-01), Huuksloot
Cherry Johnny D.
Nemag B.V.
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