Core chuck

Details Core chuck Core chuck

1977-12-16

1980-03-18

Sipos, John

Chucks or sockets

Expanding

Collet type

242 72R, B23B 3140

Patent

active

041936337

ABSTRACT:
A core chuck comprising an interior member having a longitudinal axis and n exterior camming surfaces, n jaws each having an interior camming surface, and 2n rollers radially intermediate the jaws and the interior member. Each of the rollers engages a camming surface defined either by the interior member or by a jaw, each camming surface is convex relative to the axis, and a roller cage maintains the circumferential spacing of the rollers.

REFERENCES:
patent: 1122627 (1914-12-01), Milne
patent: 2219124 (1940-10-01), Bandy
patent: 3963250 (1976-06-01), Flagg

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