Main body of grinding assembly for use in track rail joint grind

Details Main body of grinding assembly for use in track rail joint grind Main body of grinding assembly for use in track rail joint grind

1999-04-07

2000-10-31

Banks, Derris H.

Abrading

Frame or mount

Portable abrader

451429, B24B 2300, B24B 2708

Patent

active

061394106

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'.

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