Robotic end effector

Details Robotic end effector Robotic end effector

1986-05-06

1987-04-14

Werner, Frank E.

Material or article handling

Elevator or hoist and loading or unloading means therefor

Grab

414737, 414225, 414626, 414752, 901 40, 403 2, 29429, 29729, 29743, 294 641, B65H 1102

Patent

active

046574700

ABSTRACT:
The invention comprises an improved end effector for a robot which is particularly advantageous in applications such as placing flat pack integrated circuits on circuit boards. The end effector includes a vacuum-operated quill for picking up the integrated circuit from a predetermined location. A pressure spring mechanism is included in the end effector permits the flat pack to be held in the desired position with a predetermined force by utilizing the robot arm to compress the pressure spring a predetermined amount. Once the integrated circuit is positioned on the circuit board, the circuit is released and the quill moved away from the board a predetermined distance by a linear actuator included in the end effector without any motion of the robotic arm.

REFERENCES:
patent: 2681757 (1954-06-01), Kellersman
patent: 3581911 (1971-06-01), Folk
patent: 3721352 (1973-03-01), Messmer
patent: 3906325 (1975-09-01), Salmon
patent: 4261681 (1981-04-01), Gates
patent: 4305130 (1981-12-01), Kelley et al.
patent: 4397188 (1983-08-01), Bansevichus
patent: 4473247 (1984-09-01), Itemdani et al.
patent: 4484854 (1984-11-01), Chitayat

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