Bore gage
AssigneeFederal Products Corporation
InventorJoseph S. Olasz
Life of this patent
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Abstract
A measurement instrument in the form of a bore gage comprises a tubular casing within which there is centered a longitudinal member, one end of which transmits its movements to a gaging device, and the other end of which is coupled to contact elements that move transverse to the casing. The contact elements are characterized as having at least a hemispherical end which engages a pair of cylindrical segments that are cut into opposed V grooves on the other end of the longitudinal member.
Claims5
A bore gage comprising a tubular casing having a diametrically extending transverse opening adjacent one end thereof, movable contact elements slidably received in opposite ends of said opening and having outer surfaces to engage the bore to be measured, a longitudinal member axially slidable in said casing, one end of said longitudinal member provided with a pair of V shaped grooves each having faces with cylindrical segments of a single circle whose axis passes through the axis of the longitudinal member, said contact elements engaging the cylindrical segments with a curved surface having a diameter equal to the diameter of the circle defined by the segments on the faces of the V shaped grooves.
Dependencies are inferred from the claim text.