Abrading – Machine – Rotary tool
Patent
1995-04-28
1996-11-26
Eley, Timothy V.
Abrading
Machine
Rotary tool
15 54, 451347, 451543, B24B 900, B24B 2302, B24B 2708
Patent
active
055779549
ABSTRACT:
A grinding apparatus of a welded residue on a seam of a rail head portion including a rail, a machine table capable of moving forward and backward along the rail, an apparatus base erected on a distal end side of the machine table, a first support disk board mounted on the apparatus base and capable of moving vertically by electric power or an operator's hand, a second support disk board mounted on the first support disk board and capable of moving vertically by electric power or an operator's hand, a grinding drive motor mounted on a front surface of the second support disk board and capable of rotating about a horizontal axis, a cutter unit mounted on the front surface of the second support disk board and capable of rotating about the horizontal axis, the cutter unit being operatively connected to the grinding drive motor, an engaging portion formed on the cutter unit and adapted to engage a head portion of the rail, and a grinding edge disposed on the engaging portion and adapted to grind an upper surface, an arcuate surface and a side surface of the rail head portion.
REFERENCES:
patent: 1923020 (1933-08-01), Fox
patent: 3324603 (1967-06-01), Niemiec
patent: 3427758 (1969-02-01), Guntermann
patent: 4365918 (1982-12-01), Theurer
Okumura Shin'ichi
Okumura Yosiaki
Eley Timothy V.
Tohokugiken Industries Co., Ltd.
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