Power shear yoke construction and ball-bearing assembly

Details Power shear yoke construction and ball-bearing assembly Power shear yoke construction and ball-bearing assembly

1978-09-08

1980-04-01

Peters, Jimmy C.

Cutlery

Cutting tools

Plural cooperating blades

B26B 1500

Patent

active

041954076

ABSTRACT:
A yoke construction for a power shear and a ball-bearing assembly are provided that allow easier cutting of sheet metal with the shear. The yoke includes an arm having upper and lower surfaces, with a ball bearing mounted in the lower surface for universal rotation with respect to the arm, the ball bearing engaging the top of a work table to allow easier pivoting of the shear during cutting. Also, a plurality of ball bearings may be provided on the arm upper surface for engaging the work piece. The ball bearings are mounted by a rigid support member having a generally conical end portion with a generally pointed tip, the tip providing a bearing surface for the ball bearing and urging it against a lip formed in the surface from which the ball bearing extends. The ball bearing mounting assembly may be provided as an insert.

REFERENCES:
patent: 1164669 (1915-12-01), Steinman
patent: 2728141 (1955-12-01), Green
patent: 3172203 (1965-03-01), Johnson
patent: 3631596 (1972-01-01), Glaus

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