Crane safety apparatus

Details Crane safety apparatus Crane safety apparatus

1994-11-02

1998-03-24

Merritt, Karen B.

Traversing hoists

Having random condition sensor combined with an indicator or...

212277, 212280, 212281, B66C 1316, B66C 1318

Patent

active

057303053

ABSTRACT:
A crane safety apparatus for displaying a schematic diagram of a part of a crane mechanism on a two-dimensional screen dynamically as the crane mechanism is operated, and displaying on the same screen a predetermined operation zone as a visually discriminative zone pattern. The operation zone pattern is displayed on the screen in response to the key command by an operator during a selected crane operation mode, while referring to the schematic crane mechanism diagram currently displayed on the screen.

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Liebherr Operating Instructions Manual, Jan. 1970.
Bergbau Journal (E1) Jun. 1990, p. 287 and Translation.
Krupp Brochure (E2) and Electronsicke Kran-Sicherlertseinaichtung fur Autokrane (E3) Apr. 1985 and Translation.
"Tele-Truk" company magazine (E4) May 1984 and Partial Translation.

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