Stellar Industries, Inc.

Timothy J Davison

Matthew Wendell Schroeder

Jeramy Voortmann

A method of calculating crane capacity is disclosed. The method may include the steps of placing a handheld device near a load, prompting the handheld device to send a signal to a receiver, receiving a signal from the receiver, calculating a distance from the handheld device to the receiver based on at least the signal from the receiver, and using the distance to calculate the crane capacity, wherein the receiver is arranged near or on a crane mast.

Device and method of calculating crane capacity

Provided is a two-block sensing system (or device) that may be attached to an end of a lifting device, for example, a crane. The sensing device may include an A2B mount, a touch bar pivotally connected to the A2B mount, a link pivotally connected to the A2B mount, and a switch operatively connected to the touch bar so that if the touch bar is rotated with respect to the A2B mount, the switch becomes one of activated and deactivated.

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Mason City, IA, United States of America

Timothy J Davison