Robotic end effector

Details Robotic end effector Robotic end effector

1992-08-28

1994-11-22

Underwood, Donald W.

Material or article handling

Vertically swinging load support

Grab

414783, 294 94, B66C 154

Patent

active

053663403

ABSTRACT:
An end effector for a robotic assembly for acquiring and manipulating articles having a substantially cylindrical aperture therein. The end effector has a cylindrical gripping portion having radially expandable fingers and a collar portion adapted to bear on the article. When the fingers are inserted into the aperture in the article and expanded the object is gripped over a large portion of the circumference of the aperture. The article is then translated from a vertical to horizontal position. The gripping portion is provided with a flat portion to allow the article to be contacted against a stop for easy withdrawal of the fingers. The entire cylindrical gripping portion is flexibly mounted to the robotic assembly to allow acquisition of an article presented to the gripping portion of the end effector in an off vertical alignment.

REFERENCES:
patent: 1358807 (1920-11-01), Wilkinson
patent: 2191000 (1940-02-01), Thomas
patent: 2487456 (1949-11-01), Lowrey
patent: 3734328 (1973-05-01), Dalglish
patent: 4266905 (1981-05-01), Birk et al.
patent: 4291910 (1981-09-01), Maupate
patent: 4340249 (1982-07-01), Bucklew
patent: 4576407 (1986-03-01), Lambert
patent: 4580826 (1986-04-01), Carrer et al.
patent: 4747997 (1988-05-01), Boatwright
patent: 4777792 (1988-10-01), Marzoli
patent: 4799853 (1989-01-01), Wrobbel et al.

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