| 摘要 |
PROBLEM TO BE SOLVED: To provide a connection mechanism of an axle material which has a joint ring detachably spiral screw thread connected on the second axle member composing a shaft tube, and can adhere firmly with an adhesive the first axle member and the joint ring. SOLUTION: In the connection mechanism of the axle material where it is characterized that; the joint ring connecting the cylinder shaped first and second axle member has an adhesive surface on the periphery of one end which contacts the inner circumference surface of the first member, and has a male screw thread section on the periphery of its other end to screw connect with the female screw thread section formed on the inner circumference surface of the second member, and firmly adheres with an adhesive while inserting the one end of the joint ring to the first axle member, and at the same time, the shaft tube of the writing implement is constructed by screw connecting the male screw thread section of the joint ring detachably with the female screw thread section of the second axle member, the twill lined knurling section composed by the grooves inclined toward the direction in alignment with the axis of the shaft tube is formed on the surface of the adhesive section of the joint ring. COPYRIGHT: (C)2009,JPO&INPIT
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