Handling machine to be suspended from a lifting unit

Details Handling machine to be suspended from a lifting unit Handling machine to be suspended from a lifting unit

1990-04-10

1992-02-18

Peters, Jr., Joseph F.

Traversing hoists

Having counterweight or counterbalancing means

Counterweight movable relative to load support

212205, 212209, 212211, 212221, B66C 2376

Patent

active

050886100

ABSTRACT:
So as to avoid installing a heavy remote handling machine in a containment comprising a lifting unit, such as a travelling crane, the present invention proposes an autonomous remote handling machine (20) suitable for being suspended from the hook (b 16) of this crane. This machine (20) includes a support (22), a gripping arm (24) and a counterweight (26) being joined to said support around a normally horizontal axis (26). A device (44) detects any possible slanting of the support (22) with respect to vertical in order to control any modification of the orientation of the counterweight (26), independently of the orientation of the arm, so as to annul any detected slanting.

REFERENCES:
patent: 2766850 (1956-10-01), Marnon et al.
patent: 3272347 (1966-09-01), Lemelson
patent: 3750804 (1973-08-01), Lemelson
patent: 3810551 (1974-05-01), Rust et al.
patent: 4067446 (1978-01-01), Ray
patent: 4259674 (1988-07-01), Schroder et al.
patent: 4449634 (1984-05-01), Buzzichelli et al.
patent: 4668154 (1987-05-01), Ueno et al.

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