Title:
【発明の名称】軌道レール接目の研削装置の研削体主体
Document Type and Number:
Japanese Patent JP2893020
Kind Code:
B1
Abstract:
A main body 1 of a grinding assembly for use in a track rail joint grinding apparatus comprising a pair of grinding assemblies A, A' rotating around vertical shafts 5, 5' in mutually opposite directions so as to grind one and the other width-wise halves of a track rail R, comprises grinding blade supporting portions 3A to 3C which each constitute a recess edge 2 complementarily engaging with a head Ra of the track rail R, said grinding blade supporting portions being arranged at equiangular distances in the rotational direction of the vertical shaft 5, 5', and a suitable number of grinding blades 4a to 4h being detachably attached to grinding blade attaching portions 6a to 6h of each of the grinding blade supporting portions 3A to 3C. The grinding blade attaching portions 6a to 6h are provided on both edges of each of the grinding blade supporting portions 3A to 3C with respect to the rotational direction of the vertical shaft, respectively, and a set of grinding blade attaching portions 6a to 6h provided on one group of edges 3A' to 3C' of the grinding blade supporting portions 3A to 3C and a set of grinding blade attaching portions 6a to 6h provided on the other group of edges 3A'' to 3C'' of the grinding blade attaching portions 3A to 3C are arranged to correspond to each other and be opposed to each other with respect to the rotational direction of the vertical shaft 5, 5'.
More Like This:
| JPS53128095 | GRINDING DEVICE |
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Inventors:
Yoshiaki Okumura
Shinichi Okumura
Shinichi Okumura
Application Number:
JP12217598A
Publication Date:
May 17, 1999
Filing Date:
May 01, 1998
Export Citation:
Assignee:
Tohoku Giken Co., Ltd.
International Classes:
B24B27/00; E01B31/17; (IPC1-7): B24B27/00; E01B31/17
Other References:
【文献】特許2543663(JP,B2)
Attorney, Agent or Firm:
Hideo Dobashi (1 outside)