Invention Grant
- Patent Title: Linear scale
- Patent Title (中): 线性刻度
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Application No.: US12729565Application Date: 2010-03-23
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Publication No.: US07934324B2Publication Date: 2011-05-03
- Inventor: Masaki Tomiya , Hiroaki Kawada
- Applicant: Masaki Tomiya , Hiroaki Kawada
- Applicant Address: JP Kawasaki
- Assignee: Mitutoyo Corporation
- Current Assignee: Mitutoyo Corporation
- Current Assignee Address: JP Kawasaki
- Agency: Rankin, Hill & Clark LLP
- Priority: JP2009-071525 20090324
- Main IPC: G01D5/347
- IPC: G01D5/347 ; G01B21/06
Abstract:
A linear scale that is used for displacement measurement is provided. The linear scale includes a scale board, a graduation unit, and an attachment unit. The scale board is made of low expansion ceramics. The graduation unit is fixed to an upper surface of the scale board. The graduation unit is read at the time of measurement. The attachment unit is a unit for attaching the scale board to a base member.
Public/Granted literature
- US20100242295A1 LINEAR SCALE Public/Granted day:2010-09-30
Information query
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