Patent ID: 9358664
Filing Date: 2016-06-07
CPC Classification: B24B

Claim Text:
1. A grinder comprising: a body which has a collar; a wheel cover which is attachable to the collar; and a holding member which is adapted to hold the wheel cover fixedly to the collar, wherein the wheel cover has an annular shaped attachment portion which is attachable to the collar, the holding member has an engagement portion and an engagement portion operating member to move the engagement portion, the engagement portion being engageable with the attachment portion, the engagement portion operating member switches a state between (i) an engagement state in which the attachment portion and the engagement portion are engaged to each other, and (ii) a disengagement state in which the attachment portion and the engagement portion are disengaged to each other by moving the engagement portion, the engagement portion operating member is configured to slide linearly on a second line, which is offset in the radial direction of the annular shaped attachment portion from and parallel to a first line that extends diametrically across the annular shaped attachment portion, to switch the state, and the engagement portion is adapted to cancel an engagement with the attachment portion by moving to inside of the attachment portion.