Derrick sky hook

Details Derrick sky hook Derrick sky hook

1983-04-21

1984-09-04

Marbert, James B.

Handling: hand and hoist-line implements

Hand bars and hand barrows

Ball retriever

A47F 1306

Patent

active

044693613

ABSTRACT:
This device is a derrick sky hook, including a long handle, a swivel at its one end carrying a U-shaped hook support, around which a knotted rope extends; the rope being tethered to an outer end of the hook support.

REFERENCES:
patent: 3765119 (1973-10-01), Hare et al.
patent: 3918385 (1975-11-01), Wallace

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