Duplicating apparatus with variable scale factor

Details Duplicating apparatus with variable scale factor Duplicating apparatus with variable scale factor

1980-02-19

1982-01-05

Bray, W. D.

Wood turning

Pattern section

Copying

142 26, 144144R, 409 67, 409 69, 409104, B27C 510, B23B 546

Patent

active

043089020

ABSTRACT:
Apparatus for duplicating a master object includes a router which is positioned on a pivoting carriage which has a follower which engages a rotating three dimensional master object. The work piece is rotated at the same rate as the master object and a router carried on the carriage engages the work piece. The location of the axis about which the master object rotates may be varied to change the scale factor so that the work piece may be smaller than the master object.

REFERENCES:
patent: 1859474 (1932-05-01), Shawver
patent: 2594694 (1952-04-01), Smith
patent: 3739824 (1973-06-01), Hoenig
patent: 3946774 (1976-03-01), McCord, Jr.
patent: 4000766 (1977-01-01), Surcliffe
patent: 4248282 (1981-02-01), Waldron et al.

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