Geometrical instruments – Distance measuring – Opposed contacts
Patent
1990-05-02
1991-12-10
Will, Thomas B.
Geometrical instruments
Distance measuring
Opposed contacts
33512, 335553, 606102, G01B 316, A61B 5107
Patent
active
050706233
ABSTRACT:
A manually operated gauge for the simultaneous measurement of two orthogonal diameters of a spherical member. The gauge comprises four uniquely shaped bars all pivotably connected together about four parallel pivot axes, the bars arranged to enclose a measurement or work space into which the spherical member to be measured may be brought. Two main arms are pivotably joined at one end and each is provided with a pair of orthogonally oriented contact surfaces at the other end, the contact surfaces adapted to arcuately move with their respective arms about the arm-pivot in order to capture a spherical member between them. A scale member is pivotably connected to the free end of one of the arms and an indicator member is pivotably joined to the free end of the other of the arms. The scale member and the indicator member are pivotably connected to each other about an axis aligned along the center line of the gauge while the other ends of the scale member and the indicator member cooperate to indicate the size of the spherical component being measured.
REFERENCES:
patent: 608183 (1898-08-01), Davis
patent: 1221668 (1917-04-01), Brunton
patent: 1251648 (1918-01-01), Dunn
patent: 1264571 (1918-04-01), Steinhilper
patent: 1804064 (1931-05-01), Sison
patent: 2236443 (1941-04-01), Oboler
patent: 2877559 (1959-03-01), Dahlberg
patent: 4127112 (1978-11-01), Sherlock et al.
Warzecha Gene
Will Thomas B.
Zimmer Inc.
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