Patent ID: 8272645
Filing Date: 2012-09-25
Classification: B25J,Y10T

Abstract:
1. A tool replacing device wherein a mounting hole for a tool is provided on its distal end side from which the tool is inserted, and wherein its proximal end side is mounted to a tip portion of a robot arm, the tool replacing device comprising: a substantially cylindrical case member having a first extension portion, a second extension portion, and a third extension portion that extend toward an inner diameter side of the tool replacing device, and that are located on the distal end side, the proximal end side, and between the distal end side and the proximal end side, respectively; a substantially cylindrical holding member located inside the case member, and having a fourth extension portion that extends toward an inner peripheral surface of the case member between the second extension portion and the third extension portion; and a substantially cylindrical movable member located on the distal side of the holding member, and supported between the holding member and the case member, the movable member having a fifth extension portion extending toward the inner peripheral surface of the case member between the first extension portion and the third extension portion, wherein the case member supports the holding member between the second extension portion and the fourth extension portion via a first elastic member so as to be movable in a cylindrical axis direction of the case member, and supports the movable member so as to be movable in the cylindrical axis direction of the case member, between the third extension portion and the fifth extension portion via a second elastic member, the case member including: wherein the holding member includes a projection hole formed so that an engaging ball held between the movable member and the holding member is projectable toward an inner peripheral surface side of the holding member; and wherein the movable member includes: