发明名称 Improvements in or relating to Jacking, Ramming, and Pulling Equipment with Motor-Driven Screw-Drive, particularly for Underground Mine Workings
摘要 1,175,779. Bearings. EISENHUTTE PRINZ RUDOLPH A.G. 26 July, 1968 [26 July, 1967], No. 25732/68. Heading F2A. [Also in Division B8] A bearing has an inner ring consisting of two parts 15, 15a separated by a gap 16. Part 15 lies against a shoulder 17 while part 15a contacts a clamping nut 18, adjustment of the nut 18 ensuring that there is no play.
申请公布号 GB1175779(A) 申请公布日期 1969.12.23
申请号 GB19680035732 申请日期 1968.07.26
申请人 AG EISENHUTTE PRINZ RUDOLPH 发明人 RUDOLF BETZING
分类号 E21F13/08;E21F17/00;F16D33/18;F16H25/20 主分类号 E21F13/08
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