US 6,553,685 B2Granted

Measuring instruments

AssigneeMitutoyo Corporation

InventorsShingo Nishina, Masahiko Tachikake, Yoshiaki Shiraishi, Rie Tanaka, Shuuji Hayashida, Yoshitaka Kuji, Osamu Saito, Tetsuya Nakadoi

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Abstract

A measuring instrument includes a spindle (11) provided to a body (1), a sleeve (31) movable in the same direction as the spindle and stoppable at a desired position, a connector (41) for connecting the sleeve and the spindle and allowing relative movement of the sleeve and the spindle in the moving direction thereof by a predetermined stroke; a pressure spring (61) accommodated in the sleeve for biasing the spindle in a direction for the spindle to abut to the workpiece through the connector, and a biasing force indicator (71) for indicating the pressure spring.

Claims16

Dependent claims

A measuring instrument, comprising:

a body;
a spindle provided to the body movably in an axial direction thereof, the spindle being moved in the axial direction to contact to a workpiece for measuring the dimension of the workpiece based on a moving position of the spindle;
a sleeve provided to the body movable in the same direction as the moving direction of the spindle and stoppable at a desired position;
a connector for connecting the sleeve and the spindle and allowing a relative movement of the sleeve and the spindle by a predetermined stroke in the moving direction;
a biaser accommodated in the sleeve for biasing the spindle through the connector in a direction to abut to the workpiece;
and
a biasing force indicator for indicating a biasing force of the biaser.

4 more elements

Dependencies are inferred from the claim text.