Handling: hand and hoist-line implements – Hook – hoistline – or grab type – Locking device
Patent
1986-10-27
1987-09-29
Cherry, Johnny D.
Handling: hand and hoist-line implements
Hook, hoistline, or grab type
Locking device
2941191, 901 37, 901 39, B25J 1508
Patent
active
046965033
ABSTRACT:
A pneumatic actuated cam driven parallel gripper includes a supporting bracket adapted for attachment to the end of an arm of a robot or a pick and place system. A cam comprising a cylindrical member is supported for rotation in the bracket and has at its outer periphery diametrically opposed pins, with a lever attached to the cam. A pneumatic actuator is coupled to the lever and adapted to rotate the lever and cam between a first and second position. First and second slides with attachable fingers are supported for sliding movement on shafts extending from the two sides of the brackets. First and second compliant arms have one end attached to one of the pins on the cam cylinder and another end attached to one of the slides for converting rotation of the cylindrical member into linear movement of the slides.
REFERENCES:
patent: 2341602 (1944-02-01), Dewey
patent: 4279438 (1981-07-01), Singh
patent: 4479673 (1984-10-01), Inaba et al.
patent: 4579380 (1986-04-01), Zaremsky et al.
patent: 4629237 (1986-12-01), Ito
Cherry Johnny D.
Davis David L.
The Singer Company
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