| 摘要 |
<P>PROBLEM TO BE SOLVED: To release an engaging action by applying a force on a back part of a pressing part and on a locking part of a shaft cylinder in the shaft centrifugal direction as a result when an external force is provided in the neighborhood of a tip of a clip main body toward the central direction of the shaft cylinder, to make a ball part as a support. <P>SOLUTION: In a double-writing implement in which a plurality of writing bodies are arranged so as to make frequent appearances in the shaft cylinder, sliding members are respectively fitted to the writing bodies, and a clip member is provided on at least one of the sliding members. The ball part is formed at the front part of the clip member, and an inclined part is formed at the front of the ball part. A channel part in which the ball part is moved is formed in the shaft cylinder, and a step part with which the inclined part of the ball part comes into contact when the writing body is projected, is formed in the channel part. When the ball part is brought into contact with the step part, the top part of the ball part is separated from the bottom face of the channel part. <P>COPYRIGHT: (C)2007,JPO&INPIT |
