Chucking device of workpiece in grinding machine

Details Chucking device of workpiece in grinding machine Chucking device of workpiece in grinding machine

1985-12-12

1987-12-01

Schmidt, Frederick R.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51217T, 279 1C, B25B 500

Patent

active

047095121

ABSTRACT:
A chucking device of a workpiece to be ground in a grinding machine, including a rotatable housing, a pair of elastically biased weight bodies which are opposed in the housing so as to come away from and close to each other a pair of opposed clamp plates which are provided on the respective weight bodies for relative movement and which have openings defining a center insertion opening in which the workpiece is inserted, and an end plate which is secured to the housing for covering the housing. The clamp plates are capable of inclining in planes thereof. The workpiece is firmly held in and by the center insertion opening of the clamp plates at at least four points of the center insertion hole by the outward displacement of the weight bodies, due to the centrifugal force acting thereon when the chucking device rotates.

REFERENCES:
patent: 2046238 (1936-06-01), Balsiger
patent: 3975029 (1976-08-01), Benjamin

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