Geometrical instruments – Gauge – Tool
Patent
1984-04-27
1985-12-24
Haroian, Harry N.
Geometrical instruments
Gauge
Tool
33 1BB, 33571, 33501, G01B 520
Patent
active
045597120
ABSTRACT:
A portable measuring device includes a template for measuring the width of an associated cutter tip. A plurality of spaced width indicator marks of different sizes are provided on the template member. A magnifying member is provided for magnifying at least one of the plurality of width marks. A housing member is provided for slidably supporting the magnifying member on the template member.
REFERENCES:
patent: 1549518 (1925-08-01), Steinle
patent: 1798953 (1931-03-01), Rennicke
patent: 2241690 (1941-05-01), Williams
patent: 2241691 (1941-05-01), Williams
patent: 2241693 (1941-05-01), Williams
patent: 2355161 (1944-08-01), Holstein
patent: 2376811 (1945-05-01), Rigby
patent: 2389544 (1945-11-01), Peck et al.
patent: 2630631 (1953-03-01), McMullen
patent: 2740296 (1956-04-01), Andres
patent: 4324050 (1982-04-01), Weir
patent: 4331381 (1982-05-01), Hunter
IBM Tech Disc Bull, "Sliding Comparator Graticule Acessory", by A. H. Ett, vol. 15, #8, 1/73.
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