Non-skid ball bearings with adjustable stroke for punch presses

Details Non-skid ball bearings with adjustable stroke for punch presses Non-skid ball bearings with adjustable stroke for punch presses

1992-04-23

1993-09-21

Jones, Eugenia

Cutting

Means to drive or to guide tool

Means to change datum plane of tool or tool presser stroke

83530, 83575, 83637, 72430, 100257, 384 30, 384 49, B26D 508

Patent

active

052459047

ABSTRACT:
An electromagnetically-driven punch press having adjustable anti-skid supports for the ball bearings and ball cages of the ball-bearing bushings which carry the movable tool for preventing downward skidding of these balls and their cages when the moving tool punches down against the work material. Adjustable resilient cushioning arrests tool travel for minimizing "tool whip" and tool wear at the end of the work stroke.

REFERENCES:
patent: 3029110 (1962-04-01), Hughes
patent: 3450037 (1969-06-01), Lickliter et al.
patent: 3514166 (1970-05-01), Coley
patent: 3709083 (1973-01-01), Doherty
patent: 4022090 (1977-05-01), Doherty et al.
patent: 4056029 (1977-11-01), Doherty et al.
patent: 4135770 (1979-01-01), Doherty et al.

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