Metal deforming – With means to handle work or product – By gripper and/or endless chain
Patent
1982-09-28
1984-05-15
Larson, Lowell A.
Metal deforming
With means to handle work or product
By gripper and/or endless chain
269234, 414740, 414753, B21D 4310
Patent
active
044480563
ABSTRACT:
A mechanism for successively feeding sheetlike workpieces into a press in timed relation to the up-and-down motion of a slide carrying an upper die. Linked to an infeed cam mechanism which is driven from the same shaft as is the press slide, a carriage reciprocates horizontally between a retracted position away from the dies and a loading position close thereto. The carriage carries a pair of gripping jaw assemblies for gripping each workpiece in the retracted position of the carriage and releasing the workpiece in the loading position. Each gripping jaw assembly comprises upper and lower jaws jointly movable along a pair of guide rods extending at an angle to the plane of the horizon, the lower jaw being further cam-operated for pivotal motion toward and away from the upper jaw. The infeed cam mechanism driving the carriage is provided with a lockpin for retaining the carriage in the retracted position during replacement of the press dies.
REFERENCES:
patent: 1972329 (1934-09-01), Byerlein
patent: 2828998 (1958-04-01), Seelye
patent: 2894616 (1959-07-01), Young
patent: 2901126 (1959-08-01), Halberstadt
patent: 2943750 (1960-07-01), Sehn et al.
Kabushiki Kaisha Komatsu Seisakusho
Larson Lowell A.
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