Driving unit for pressure application shaft in a welding apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 13, 2004
Grant Date -
Oct 23, 2003
app pub date -
May 13, 2003
filing date -
Mar 1, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A driving unit for a pressure application shaft in a welding apparatus including a housing for housing therein a ball screw mechanism for converting rotation of an output shaft of a motor into reciprocating motion of the pressure application shaft, and a direct acting type rolling guide mechanism provided between the pressure application shaft and the housing. The housing includes a housing body which is opened at one side, and a plate for covering the opened portion. The ball screw mechanism, the pressure application shaft member, the rolling bearing which is fixed to the pressure application shaft member, and a rail combined with the rolling bearing are fixed to the housing body.
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