Dual standard lifting cradle

Details Dual standard lifting cradle Dual standard lifting cradle

1992-04-15

1993-11-02

Cherry, Johnny D.

Handling: hand and hoist-line implements

Hoistline attached load supporting frame

294 683, 414498, B60P 164, B66C 122

Patent

active

052578445

ABSTRACT:
A movable lifting cradle having two longitudinal beams at one end of each of which a vertical extension is fixed which carries at its top a holding bar. The bar is carried by a bar-carrying assembly having a fixed base on which is mounted, to pivot with a predetermined angular displacement about a transverse axis, a pivotable assembly of which the bar forms a part, the base being provided with members adapted to block the pivoting of the pivotable assembly in a first configuration in which the bar is at a first distance in front of a crossbeam of the lifting cradle and at a first height relative to the longitudinal beams, and in a second configuration in which the bar is at a second distance in front and at a second height, the first distance and height conforming to a first standard and the second distance and height conforming to a second standard.

REFERENCES:
patent: 3107802 (1963-10-01), Blonsky
patent: 3244446 (1966-04-01), Bopp
patent: 3275367 (1966-09-01), Bopp
patent: 3404792 (1968-10-01), Frieberg
patent: 3984013 (1976-10-01), Wirz
patent: 4341500 (1982-07-01), Laitinen
patent: 4848619 (1989-07-01), Corompt
patent: 4911318 (1990-03-01), Bishop
patent: 5163800 (1992-11-01), Raisio

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