Browse Prior Art Database

Collision-Prevention Sensor

IP.com Disclosure Number: IPCOM000065410D
Original Publication Date: 1985-Dec-01
Included in the Prior Art Database: 2005-Feb-19

Publishing Venue

IBM

Related People

Authors:
Saunders, RH [+details]

Abstract

A tapeswitch sensor is mounted on the work-carrying fixture of a robot arm in such a fashion that it interrupts the robot's motion to prevent personal injury or damage to the mechanism in the event of unwanted contact during motion. The tapeswitch 1 (Fig. 1) is mounted on a plate 2 (Fig. 2) that is suspended on springs 3. The tapeswitch 1 extends beyond the part carrier 4 on all sides. If the tapeswitch 1 comes into contact with any object with a resultant force of approximately eight ounces, power is automatically cut to the robot drive. The tapeswitch 1 resets upon clearing the collision. The distance x (Fig.