Title:
WORK MACHINE
Document Type and Number:
Japanese Patent JP2017154195
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To prevent a nut for fixing a rotary tool to a spindle from loosening.SOLUTION: A work machine includes: a spindle 15 which may rotate around an axis A2; a washer 35 provided at the spindle 15; a male screw 32 provided at the spindle 15; a nut 38 provided with a female screw 39 which is attached to the male screw 32; and a grind stone 16 which is fixed to the spindle 15 while sandwiched between the washer 35 and the nut 38. The work machine includes: a plate 37 provided between the grind stone 16 and the nut 38; an inclined surface 50 which is provided at the plate 37 and inclines relative to the axis A2; and an inclined surface 45 which is provided at the nut 38, inclines relative to the axis A2 in the same direction with the inclined surface 50, and is pressed against the inclined surface 50.SELECTED DRAWING: Figure 2
Inventors:
MIYAZAWA TAKESHI
Application Number:
JP2016037620A
Publication Date:
September 07, 2017
Filing Date:
February 29, 2016
Export Citation:
Assignee:
HITACHI KOKI KK
International Classes:
B24B45/00; B24B23/02; B25F5/00
Attorney, Agent or Firm:
Tsutsui International Patent Office
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