Care chuck stop assembly

Details Care chuck stop assembly Care chuck stop assembly

1976-08-02

1978-02-14

Simpson, Othell M.

Chucks or sockets

Expanding

Collet type

242 682, 242 721, B23B 3140, B65H 1702

Patent

active

040734978

ABSTRACT:
A stop assembly comprising a generally cylindrical body whose outer surface is adapted for engaging the interior cylindrical surface of a hollow core, a plurality of fingers secured to the body for pivotal movement about axes generally parallel to that of the core between first positions in which the fingers lie radially within the outer surface of the body and second positions in which the fingers project beyond the outer surface for engaging an end surface of the core, each of the fingers having a core engagement surface lying in a plane generally perpendicular to the outer surface of the body and adapted for engaging the core end surface and a generally oppositely-facing camming surface inclined relative to the core engagement surface, the fingers being biased outwardly and no fixed portion of the assembly lying radially outwardly of the outer surface so that the entire assembly may be inserted into and through a core having an interior cylindrical surface of diameter not substantially greater than that of the diameter of the outer surface.

REFERENCES:
patent: 3275255 (1966-09-01), Pitts
patent: 3355121 (1967-11-01), Wright
patent: 3432112 (1969-03-01), Hardy
patent: 3993317 (1976-11-01), Flagg

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