Device for temperature-responsive adjustment of the measuring points of two machine tool parts
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United States of America Patent
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-
Mar 1, 1988
Grant Date -
N/A
app pub date -
Dec 12, 1986
filing date -
Feb 13, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for the temperature-responsive adjustment of the measuring points of two relatively movable machine tool parts, the device comprising a rule mounted for limited movement on a first machine part, a scanning head mounted on the second machine part, and at least one transverse rod which is disposed for axial movement in a portion of the movable machine part that is particularly subject to being heated. The transverse rod, which extends right into the heated zones at least with its inner end portion, has its outer end connected to the rule by means of a reversing drive such that elongations of the transverse rod caused by heating are converted to a horizontal shifting movement of the rule. In an alternative embodiment, a bimetallic element performs the function of the transverse rod.
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