Trammel head assembly

Details Trammel head assembly Trammel head assembly

1983-09-26

1985-04-23

Stearns, Richard R.

Geometrical instruments

Scriber

Curved line

33 42, 33158, B43L 904

Patent

active

045120811

ABSTRACT:
A trammel assembly consisting of a trammel head and a controllably dimensioned flat scale. This trammel head contains opposite pairs of guide regions for receiving variously sized scales and for tightening these scales in place.

REFERENCES:
patent: 365031 (1887-06-01), Traut
patent: 1619750 (1927-03-01), Nelson
patent: 2419752 (1947-04-01), Zumbuhl
patent: 2466357 (1949-04-01), Beith
patent: 2621412 (1952-12-01), Slusher, Jr.
patent: 3589013 (1971-06-01), Colon

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