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Automated Robotic Systems, Inc.

Jimmy L Dunn

Frank C Romeo

George L Mayo

Ronny L Land

Lonnie D Gilstrap

A robot gripper for grasping objects. The gripper has a pair of fingers slidably mounted on a hand so the fingers may be moved in opposite directions along parallel axes. Each finger has a rack attached, and each rack is, in turn, drivingly engaged by a pinion. The pinions are rotatably mounted in the hand, and each has a link pivotally connected to the outer perimeter of the pinion. The other ends of the links are attached together and to the piston rod of a fluid cylinder. As the piston rod is moved, the links rotate the pinions in opposite directions, driving the racks and fingers together or apart, to selectively grasp or release objects.

Robot grippers

An apparatus and method for installing and removing a tool on a chuck connected to a robot arm. The chuck has a mandrel with two parallel flat sides and two protruding flanges. The tool has a tool coupling member which is supported and held against rotation by a support plate. The tool coupling member is cylindrical and has two lugs spaced apart to allow the flat sides of the mandrel to pass, but to lock over the flanges of the mandrel when the mandrel is rotated relative to the tool coupling member. A cam follower on the chuck follows a guide slot in the support plate to cause the mandrel to rotate relative to the tool coupling member. The cam follower also causes a key on the chuck to mate or disengage a key slot on the tool coupling member.

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Hurst, TX, United States of America

Jimmy L Dunn