Device for clamping crankshafts in grinding machines

Details Device for clamping crankshafts in grinding machines Device for clamping crankshafts in grinding machines

1982-02-08

1984-10-09

Bray, W. D.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51105SP, 279 1L, 279 34, B24B 542

Patent

active

044753187

ABSTRACT:
A device for clamping a crankshaft in a grinding machine has a rotary face plate which defines a lubricant-filled space and carries two parallel shafts for removable clamping jaws. The jaws can cooperate with a support, which is removably affixed to the face plate, to hold a crankshaft therebetween. The mechanism for pivoting the jaws toward and away from the support has a feed screw which is accessible from the outside of the face plate and extends into the space where it meshes with a nut which can pivot two bell crank levers in opposite directions. The bell crank levers are mounted on the two shafts, and those arms of the levers which must be pivoted by the nut in order to move the respective jaws toward the support carry pistons which deform packages of dished springs when the jaws bear against the crankshaft.

REFERENCES:
patent: 1391441 (1921-09-01), Williamson
patent: 3585763 (1971-06-01), Clark
patent: 3841647 (1974-10-01), Cooper
patent: 3881735 (1975-05-01), Joyce
patent: 4023937 (1977-05-01), Smith

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