Browse Prior Art Database

Variable-Height Ring for the Ibm 7535 Robot

IP.com Disclosure Number: IPCOM000047876D
Original Publication Date: 1983-Dec-01
Included in the Prior Art Database: 2005-Feb-08
Document File: 2 page(s) / 55K

Publishing Venue

IBM

Related People

Eskew, DH: AUTHOR [+3]

Abstract

In controlling robotic movement of a robotic apparatus, it is desirable to have a device which will act as a limit stop for the movement of the moveable portion of the gripper shaft, thus positioning the gripper shaft along the axis of the shaft at a precise location. Referring to Fig. 2, air cylinder shaft 10 is raised and lowered as the air cylinder is activated and deactivated. This causes gripper shaft 12 to be raised and lowered through a connection to shaft 10 by bracket 14. Without the variable-height ring, threaded rod 16 stops motion in the downward direction by contacting stop pin 18. Stop height is varied by adjusting the position of rod 16, and locking rod 16 into place using nut 20. This adjustment must be made while the robot is not operating.

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Variable-Height Ring for the Ibm 7535 Robot

In controlling robotic movement of a robotic apparatus, it is desirable to have a device which will act as a limit stop for the movement of the moveable portion of the gripper shaft, thus positioning the gripper shaft along the axis of the shaft at a precise location. Referring to Fig. 2, air cylinder shaft 10 is raised and lowered as the air cylinder is activated and deactivated. This causes gripper shaft 12 to be raised and lowered through a connection to shaft 10 by bracket 14. Without the variable-height ring, threaded rod 16 stops motion in the downward direction by contacting stop pin 18. Stop height is varied by adjusting the position of rod 16, and locking rod 16 into place using nut 20. This adjustment must be made while the robot is not operating. Shaft 12, which rotates the gripper, may be programmed to roll (rotate) from 0 to 360 degrees. With the variable-height ring 22 in position on bushing 24, a variety of stop heights for the robot gripper may be obtained. The gripper and therefore shaft 12 may be programmed to roll as to align any of the threaded rods 26 to act as an extension of stop pin 18. Thus, when the air cylinder is activated, causing the gripper to be lowered, threaded rod 16 will be stopped by rods 26 which is an extension of pin 18. The gripper remains in the down position until the air cylinder is deactivated, at which time the gripper returns to the up position. The gripper may then roll to...