Vacuum chuck for lathe

Details Vacuum chuck for lathe Vacuum chuck for lathe

1994-09-26

1995-08-29

Bishop, Stephen C.

Turning

Lathe

Attachment

269 21, 279 3, 285246, 142 55, B23B 3110, B25B 1100

Patent

active

054450527

ABSTRACT:
A vacuum chuck for a lathe, including a vacuum connector assembly to be mounted within a spindle bore of a lathe. A tapered portion of an outer end of a vacuum tube centrally locates the outer end of the vacuum tube in a spindle bore. A resilient sleeve is radially expanded over a tapered inner end of the vacuum tube, within the spindle bore, centralizing the vacuum tube radially within the spindle bore, fastening the vacuum tube securely within the spindle bore, and sealing off the space between the vacuum tube and the inner surface of the spindle bore.

REFERENCES:
patent: 904679 (1908-11-01), Bruton
patent: 1130679 (1915-03-01), Staunton
patent: 1744313 (1930-01-01), Kadow
patent: 2051662 (1936-08-01), Wells
patent: 2444531 (1948-07-01), Richardson
patent: 2852264 (1958-09-01), Granata
patent: 3144738 (1964-08-01), Block
patent: 3460822 (1969-08-01), Link
patent: 3833230 (1974-09-01), Noll
patent: 4562671 (1986-01-01), Bouillon et al.
patent: 4766788 (1988-08-01), Yashiki et al.
patent: 5062384 (1991-11-01), Foley et al.
Advertising sheet--Lathe Accessories, p. 7.
Advertising sheet--Vacuum Plate Chuck, Spyro-Carve.

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