Apparatus for straight line shearing

Details Apparatus for straight line shearing Apparatus for straight line shearing

1978-02-08

1979-11-20

Yost, Frank T.

Cutting

With randomly actuated stopping means

65334, 83 74, 83522, 83617, 83623, 83639, C03B 538

Patent

active

041746473

ABSTRACT:
A straight line shearing mechanism which includes a unique pneumatic control system to cause the operation of the shears. One feature involves the cushioning of the piston member of the pneumatic cylinder assembly on the return stroke. Another feature is the provision of an automatic retract to open the shears in the event that the shear blades do not complete their cutting stroke. Also, one blade of a set of shear blades may tilt in the event of excess tension between the blades. Additionally, one shear blade is pivotally adjustable about a pin member having an axis extending in the direction of travel of the blades. Further, the drop guides are horizontally adjustable relative to its associated shear blade in the direction of travel of the shear blade and also adjustable about a vertical axis.

REFERENCES:
patent: 2090082 (1937-08-01), Wadsworth
patent: 3435719 (1969-04-01), Wythe

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