Handling: hand and hoist-line implements – Hoistline attached load supporting frame – L-frame
Patent
1984-10-16
1989-03-07
Cherry, Johnny D.
Handling: hand and hoist-line implements
Hoistline attached load supporting frame
L-frame
B66C 124
Patent
active
048100161
ABSTRACT:
A lifting device includes lower arm and upper arms and an intermediate portion bridging between the arms. A suspension link is pivoted at its bottom to the upper arm, and has a hook latch at its upper end for engagement with a crane hook. A telescopically guided spring exerts a separative force between a location on the link and a further location on the upper arm, which force tends to pivot the link toward the closed end of the hook. The latch has a strike panel which can be contacted by the crane hook in order to bring the latch into engagement position. The intermediate portion of the lifting hook is provided with a horizontally slidable shock absorber casing.
REFERENCES:
patent: 1815290 (1931-07-01), Dedman
patent: 1862081 (1932-06-01), Grant
patent: 3291519 (1966-12-01), Burke
Cherry Johnny D.
Stelco Inc.
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