Other

Robert S Moore

Darrell Lee Livezey

Lewis John Harthan, Iii

A system for producing realistic tactile feedback forces in a tool operation simulator. Sensors sense the location and direction of movement of a simulated tool in a simulated landscape environment to produce electrical signals representing three dimensional location and direction of movement. These electrical signals are processed by re-programmable processors to produce control signals that are fed to pneumatic bi-directional piston-type actuators to impart realistic forces similar to forces that would be encountered in corresponding real-life movement of the simulated tool.

Generation for virtual reality simulator systems

A method for joining tubular members at right angles for use in the construction of a rail and pole metal fence or grating, in which the poles are inserted through pre-punched multi-sided clearance holes in the rails and are secured in the clearance holes by a coupling bar that engages slots in the slides of the poles as it is inserted longitudinally inside the rail.

Modular metal fencing and gratings employing novel fastening means for

A method for joining tubular members at right angles for use in the construction of a rail and pole metal fence, grating and the like, in which the poles are inserted in prepunched multi-sided clearance holes in the rails and are secured therein by means of set screws, serrated pins or nails.

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Tucson, AZ, United States of America

Robert S Moore