Cutting – Means to drive or to guide tool – With simple rectilinear reciprocating motion only
Patent
1979-02-21
1980-07-29
Yost, Frank T.
Cutting
Means to drive or to guide tool
With simple rectilinear reciprocating motion only
65334, 83623, 83699, C03B 538
Patent
active
042144973
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: 3467514 (1969-09-01), McNamara
patent: 4036094 (1977-07-01), Schaar
Emhart Industries Inc.
Kieser H. Samuel
Yost Frank T.
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