Length measuring instrument

Patent metadata

Field	Value
Publication number	US-8997367-B2
Application number	US-201313778686-A
Country	US
Kind code	B2
Filing date	Feb 27, 2013
Priority date	Mar 1, 2012
Publication date	Apr 7, 2015
Grant date	Apr 7, 2015

Abstract

A length measuring instrument that includes a hollow profile section extending in a longitudinal direction, wherein the hollow profile section includes a slot extending in the longitudinal direction and covered by sealing elements. A scale is disposed inside the hollow profile section, wherein the scale includes a measurement graduation which can be scanned by a scanning unit. An end piece is connected to the hollow profile section, wherein the end piece closes the hollow profile section on an end of the hollow profile section, the end piece including an insertion region with which the hollow profile section plunges into the hollow profile section. The length measuring instrument includes a clamping piece that connects the end piece to the hollow profile section, wherein the clamping piece spans the slot and which on two sides of the slot fixes the hollow profile section to the insertion region of the end piece.

First claim

We claim:

1. A length measuring instrument comprising:
a hollow profile section extending in a longitudinal direction, wherein said hollow profile section comprises a slot extending in said longitudinal direction and covered by sealing elements, wherein said hollow profile section is U-shaped and wherein said hollow profile section comprises:
two legs extending parallel to one another;
a base joining said two legs; and
two protrusions facing said base and disposed on said two…

Assignees

• Heidenhain Gmbh Dr Johannes

Inventors

• Schmöller Markus
• Steber Michael
• Kitano Yusuke

Classifications

• G01D5/34761 Primary

  Physics · mapped topic

• G01B5/02 Primary

  Physics · mapped topic