Robotic end effector

Details Robotic end effector Robotic end effector

1991-09-05

1993-10-05

Raevis, Robert

Measuring and testing

Surface and cutting edge testing

Roughness

G01B 528

Patent

active

052494578

ABSTRACT:
An end effector for use in probing a surface with a robotic arm. The end effector has a first portion that carries a gimbal with a probe, the gimbal holding the probe normal to the surface, and a second portion with a set of three shafts within a housing for urging the gimbal and probe against the surface. The second portion contains a potentiometer connected by another shaft to the first portion to measure the position of the first portion with respect to the second so that the second portion can be moved to place and maintain the shafts at the midpoint of their travel. Then, as irregularities in the surface are encountered, the first portion can respond by moving closer to or farther from the second portion.

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patent: 4056972 (1977-11-01), Bromwich
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patent: 4196048 (1980-04-01), Qurnell et al.
patent: 4505874 (1985-03-01), Warren et al.
patent: 4625165 (1986-11-01), Rothstein
patent: 4819491 (1989-04-01), McMurtry
patent: 4856354 (1989-08-01), Overbay
patent: 5025658 (1991-06-01), Elings et al.

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