| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a guard rotation lock mechanism capable of attaining usability by maintaining the posture at a position in which a guard is opened with a simple structure. <P>SOLUTION: The guard 350 for regulating the motion of a child is oscillatably attached onto a seat body 310 having a seat portion 311B and a seat back portion. The guard has a rotating portion 353, a receiving portion 360 is recessed at a front edge of the seat portion 311B to rotatably support the rotating portion 353 at the receiving portion 360, a rotation stop 355 having a projection portion 355E is attached onto the rotating portion 353, a lock groove 365 is formed at the receiving portion 360, the oscillation of the guard 350 is regulated by fitting the projection portion 355E of the rotation stop 355 in the lock groove 365 of the receiving portion 360, thus maintaining a constant interval between the seat body 310 and the guard 350. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
