Applied Power Inc.

Emco Wheaton Gmbh

Michael J Mondloch

George R Steber

Nick Skover, Jr

John Robert Keary

Renaldo F Schritt

A system is disclosed for determining the positions of a set of points on a body and comparing those points to a set of reference points. The system includes a data acquisition apparatus comprised of emitters, receivers, and microprocessor controls. The emitters are mounted at various predetermined positions on the body, for example a vehicle body or frame, and are triggered in an optimal fashion by the microprocessors. Triggering generates a single acoustic burst signal from an emitter. An array of microphones acts as the receiver. After generation of the signal, the microprocessor initializes an external clock which measures the travel time of the signal from the emitter to the receivers. By repeating this process a number of times, data is acquired which yields the three-dimensional coordinates of a given point when processed by a microprocessor. Microprocessors further convert this data into a form that can be used by the overall system to determine the positions of all points measured on the vehicle body or frame. The data is transmitted to an operator display unit where it is plotted graphically. Reference data is inputted into the operator display unit via an optical decoder. This data and a comparision of the two sets of data is displayed. Based on the data comparison, the operator can then determine whether and to what extent repair work or further maintenance work on the automobile body, frame or wheels is necessary.

Deviation measurement system

An apparatus for monitoring the spatial position of a reference point relative to a predetermined origin, the reference point being located on an articulated marine loading arm having a plurality of pivotally interconnected fluid conduits forming pivot angles at the interconnections of the conduits, includes segments subtended by the pivot angles and means are provided for sensing lengths of the segments as the loading arm articulates. The sensing means generate electrical signals proportional to the segment lengths and a computer receives the electrical signals and calculates the position of the reference point therefrom based on the known geometry of the loading arm.

Marine loading arm monitoring system

An exercise apparatus includes a bench support, and an input bar pivotally mounted on the bench and movable through a work cycle in response to forces exerted by a user. A hydraulic actuator is connected to the input bar for developing a resistive force against the movement of the bar. An adjusting mechanism enables a user to vary the resistive force. A pressure transducer senses the pressure in the hydraulic actuator which is representative of the input force exerted by a user, and a potentiometer located at the pivotal connection of the input bar on the bench measures the angle of rotation of the bar which is representative of the displacement of the bar. The force and displacement input signals are employed by a microprocessor to generate output signals to a display showing the cycle count, the input force or the work accomplished by a user during each cycle.

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Milwaukee, WI, United States of America

Michael J Mondloch