Lifting devices

Details Lifting devices Lifting devices

1996-11-15

1998-04-07

Kramer, Dean

Handling: hand and hoist-line implements

Grapple

Lewises

294 11, 521254, B66C 166

Patent

active

057355630

ABSTRACT:
A lifting device for a steel structure includes a releasable or integrally formed pin to which a shackle or spreader bar assembly can be secured thereby removing the need for conventional bollards or inset sheaves. The lifting device includes stub members, extending from a column member of the device, which secure the device to the steel structure.

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patent: 3404503 (1968-10-01), Courtois et al.
patent: 3492033 (1970-01-01), Mueller
patent: 3831993 (1974-08-01), Drayton et al.
patent: 3995903 (1976-12-01), Ernst
patent: 4074519 (1978-02-01), Garrett
patent: 4626012 (1986-12-01), Weldele

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