Industrial robot having a gripping device

Handling: hand and hoist-line implements – Grapple – Pivoted jaws

Patent

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Details

294 86R, B66C 100

Patent

active

043689132

ABSTRACT:
An industrial robot gripping device for gripping workpieces which have opposite contoured faces comprise gripping jaws which are contained by a parallel linkage which have faces which engage on the respective faces of the workpiece from opposite sides and are of a mere image configuration so that the engagement is complete. The parallel linkages include a coupler link at one end of the linkage which carries the respective clamping jaw and a flap interconnecting two parallel crank arms at their opposite end parts and also connecting two guide rod members which are pivoted at spaced locations to the housing so that they may move parallel to each other. The outer crank arms of each linkage include an extending portion which terminates in a bearing pin which is engaged in a curved slot which is defined symmetrically on each side of the housing. The bearing pins are driven by the driving mechanism such as an air cylinder to cause them to move in the curve slot and transmit the motion to the parallel linkage and also two connecting rods to a central pin which moves along a slot which is defined in a symmetrical line of the housing.

REFERENCES:
patent: 2857193 (1958-10-01), Heppenstall
patent: 3698757 (1972-10-01), Smith

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