Title:
ハンドグラインダーおよびハンドグラインダーの研磨ディスク締結方法
Document Type and Number:
Japanese Patent JP6577602
Kind Code:
B2
Abstract:
The present invention comprises: a grinder body (10); a coupler (P) composed of a power transmitting member (20) coupled to a rotary shaft (11) of the grinder body (10), and a main body (30) provided between the grinder body (10) and the power transmitting member (20); and a grinding disk (50) composed of a grinding stone (51) in the form of a hollow disk and a coupling part (52) provided at the center of the grinding stone (51) and detachably coupled to the coupler (P), wherein a plurality of engagement protrusions (21) are radially arranged on the outer periphery of the upper end of the power transmitting member (20); a plurality of coupling pieces (53) are radially arranged on the inner periphery of a central portion of the coupling part (52); and when the main body (30) is rotated in a state where the grinding disk (50) is assembled such that the engagement protrusions (21) pass between the coupling pieces (53), the lower surface of the engagement protrusions (21) is seated on the upper surface of the coupling pieces (53) and the grinding disk (50) is fixed to the coupler (P).
Inventors:
Kim Chang Seong
Application Number:
JP2017563107A
Publication Date:
September 18, 2019
Filing Date:
November 24, 2017
Export Citation:
Assignee:
E&Q One-Touch Company Limited
International Classes:
B24B23/02; B24B45/00
Domestic Patent References:
| JP2005523829A |
Foreign References:
| WO2016085052A1 | ||||
| US6523214 |
Attorney, Agent or Firm:
Kazuko Fujita