Chuck assembly with a radial spring

Details Chuck assembly with a radial spring Chuck assembly with a radial spring

1997-03-31

1998-11-03

Bishop, Steven C.

Chucks or sockets

Expanding

Jaw structure

269 47, 279 221, 294 93, 403372, B66C 144, B66C 156, B23B 3140

Patent

active

058297600

ABSTRACT:
There is disclosed a chuck assembly for internally holding a hollow substrate having an open end including: (a) a body including an end section having a width narrower than that of the inner width of the substrate to permit insertion of the end section through the substrate open end into the substrate interior; and (b) a compressible spring coiled around a portion of the end section, wherein prior to compression the spring has an outer width larger than that of the inner width of the substrate, wherein upon insertion of the end section of the body into the substrate the spring is compressed by contact with the substrate inner surface resulting in the chuck assembly holding the substrate by the force generated against the substrate inner surface by the spring in opposition to the compression.

REFERENCES:
patent: 1267146 (1918-05-01), Tripp
patent: 5282888 (1994-02-01), Fukawa et al.
patent: 5320364 (1994-06-01), Mistrater et al.
patent: 5322300 (1994-06-01), Mistrater et al.
patent: 5324049 (1994-06-01), Mistrater et al.
patent: 5328181 (1994-07-01), Mistrater et al.
Edward J. Grief, "A Quick-Acting Mandrel", in American Machinist, May 7, 1925, p. 747.

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