Reference point indicating apparatus
AssigneeTopcon Corporation
InventorsNoriyasu Kiryuu, Ryosuke Jinnouchi, Nobuyuki Nishita
Life of this patent
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Abstract
Provided is a reference point indicating apparatus, which is comprises an equilateral parallelogram being formed with rotatable link points, contacts provided at tips of extending portions obtained by extending respective sides of the equilateral parallelogram, a link plate for linking between middle points of one set of opposing sides of the equilateral parallelogram, and an indicator provided on the link plate, wherein the contacts are capable of abutting on an object by expansion and contraction of the equilateral parallelogram, wherein the indicator is configured to indicate a reference point of the object in a state where the contacts abut on the object.
Claims18
A reference point indicating apparatus comprising:
- an equilateral parallelogram being formed with rotatable link points, contacts provided at tips of extending portions obtained by extending respective sides of said equilateral parallelogram, a link plate for linking between middle points of one set of opposing sides of said equilateral parallelogram, and an indicator provided on said link plate, wherein said contacts are capable of abutting on an object by expansion and contraction of said equilateral parallelogram, wherein said indicator is configured to indicate a reference point of said object in a state where said contacts abut on said object.
Dependencies are inferred from the claim text.