Level detector and its application to a grabbing apparatus for c

Details Level detector and its application to a grabbing apparatus for c Level detector and its application to a grabbing apparatus for c

1981-06-08

1983-12-27

Marbert, James B.

Handling: hand and hoist-line implements

Grapple

Well type

B66C 1304

Patent

active

044226837

ABSTRACT:
This level detector comprises a tubular body closed at each of its ends and displaying a planar or slightly concave roller track, a ball suited to roll on the said roller track toward one or the other of the said closed ends of the body as a function of the inclination of the detector to the horizontal, and two receptors to detect the presence of the ball respectively at one and the other of the said ends and to emit a signal in response to this detection. This level detector can be installed on a grabbing apparatus in order to remember and preserve during hoisting the initial attitude of a load seized by the grabbing apparatus.

REFERENCES:
patent: 4245941 (1981-01-01), Charonnat

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