Expandable woodturning chuck

Details Expandable woodturning chuck Expandable woodturning chuck

1983-09-30

1985-09-17

Vlachos, Leonidas

Wood turning

Attachments

279 2R, 82 44, B27C 700

Patent

active

045414653

ABSTRACT:
The present invention relates to an expandable chuck for faceplate woodturning. The chuck is of simple construction for attachment to a conventional faceplate. A frusto-conical plug drawn towards the faceplate expands a radially segmented annular member. An annular resilient ring biases the annular member against expansion. Preferably a keeper also prevents disintegration of the segmented annular member under high centrifugal stress.

REFERENCES:
patent: 298529 (1884-05-01), Weisse
patent: 480435 (1892-08-01), McGraw
patent: 1359992 (1920-11-01), Hook
patent: 1611439 (1926-12-01), Haulick
patent: 1918522 (1933-07-01), Crane
patent: 2348819 (1944-05-01), Johnson
patent: 2750196 (1956-06-01), Peczynski
patent: 3986383 (1976-10-01), Petteys
patent: 4286904 (1981-09-01), Porter et al.

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