Spiral lead platen robotic end effector

Details Spiral lead platen robotic end effector Spiral lead platen robotic end effector

1988-09-28

1990-09-11

Cherry, Johnny D.

Handling: hand and hoist-line implements

Grapple

Slideable jaws

901 38, 901 39, B25J 1508

Patent

active

049556533

ABSTRACT:
A robotic end effector is disclosed which makes use of a rotating platen (1) with spiral leads (2,3) used to impact lateral motion to gripping fingers (46,48). Actuation is provided by the contact of rolling pins (54,56) with the walls of the leads. The use of the disclosed method of actuation avoids jamming and provides excellent mechanical advantage while remaining light in weight and durable. The entire end effector is compact and easily adapted for attachment to robotic arms currently in use.

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patent: 4693148 (1987-09-01), Lobley
patent: 4707013 (1987-11-01), Vranish
patent: 4723806 (1988-02-01), Yuda
patent: 4762357 (1988-08-01), Bergamo
patent: 4765669 (1988-08-01), Meier

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