Handling: hand and hoist-line implements – Grapple – Pivoted jaws
Patent
1980-08-29
1983-01-18
Marbert, James B.
Handling: hand and hoist-line implements
Grapple
Pivoted jaws
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
Brockmann Karl-Heinz
Molder Karl P.
Wauer Gerd
Marbert James B.
Pfaff Industriemaschinenfabrik GmbH
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