Device for preventing removal of a fixing member of a whetstone cover in a disc grinder
AssigneeMakita Corporation
InventorsShin Sugiura, Takahiro Kawakami
Life of this patent
Estimating the term…
Abstract
In a configuration in which a fixing screw 25 is tightened and fixed between opposite ends 22a and 22b of an attaching section 22 of a whetstone cover, the fixing screw 25 can be prevented from being removed from the end 22b of the attaching section 22 by fitting a rubber ring 26 to a threaded shank 25a of the fixing screw 25 between opposite ends 22a and 22b of the attaching section 22.
Claims13
A device for preventing removal of a fixing member that can fix a whetstone cover to a boss section in a disc grinder having a spindle to which a whetstone is attached, a gear housing rotatably supporting the spindle, and the whetstone cover attached to the boss section of the gear housing, wherein:
- the whetstone cover comprises an attaching section and a cover main body, the attaching section being attached to the boss section, the cover main body covering around the whetstone;
- the attaching section is configured to be fixed by the fixing member between opposite ends of the attaching section in a state in which the attaching section is wound around the boss section;
- and
- the fixing member has a removal prevention device that prevents the fixing member from being removed from at least one end of the attaching section.
A whetstone cover mounting device for a disc grinder, comprising:
- a clamp member capable of releasably clamping a whetstone cover against a portion of a housing of the disc grinder;
- wherein the clamp member has a substantially C-shaped configuration and has a first end and a second end opposed to each other;
- a tightening device coupled between the first and second ends of the clamp member and capable of moving the first and second ends toward each other;
- and
- a removal preventing device capable of preventing the tightening device from being removed from the clamp member.
Dependencies are inferred from the claim text.