Adjustable shear blade for a straight line shears

Details Adjustable shear blade for a straight line shears Adjustable shear blade for a straight line shears

1979-02-21

1981-01-27

Yost, Frank T.

Cutting

Means to drive or to guide tool

Constantly urged tool or tool support

83623, 83640, 83699, C03B 538

Patent

active

042468191

ABSTRACT:
A straight line shearing mechanism which includes at least one set of oppositely disposed shear blades movable in a straight line toward and away from each other. Mounting means are provided for at least one of the blades which has relative vertical movement with respect to the other of the blades. A mechanism is provided for moving and mounting means vertically with respect to the other blade. The mechanism is operable to move the mounting means during all positions of the shear blades. In addition, the vertically movable shear blade is capable of tilting in the event of excess tension between the blades.

REFERENCES:
patent: 1953030 (1934-03-01), Sterrett
patent: 2053039 (1936-09-01), McSwain
patent: 2090082 (1937-08-01), Wadsworth
patent: 3435719 (1969-04-01), Wythe
patent: 3490326 (1970-01-01), McNamara
patent: 3579319 (1971-05-01), Wythe et al.
patent: 4036094 (1977-07-01), Schaar

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