(57) Abstract Objective To be able exchange the extra blade body quickly securely,With the ru, it to be possible to prevent the loss of the extra blade body?The mosquito for the fine arts technical art which it tries to be able keep safelyIt designates that tsuta is offered as the purpose. Constitution In the point of the axial body, the blade body is supported installation and removal possiblyAlthough the blade body support section which can do thing is provided the above-mentioned axial body the screwTo 2 components which are connected by expedient it divides constitutes when alsoThe above-mentioned 2 components on the one hand, or providing the cavity section both, estimateIt features that the preparation blade body receipt section was formed.
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