| 摘要 |
<p>A stick comprises an upper telescopic member (1) which is axially movable relative to a lower telescopic member (2) and lockable in any desired position relative thereto by a locking means (3) comprising a bar (7) fixedly attached to one telescopic member and having a plurality of grooves which are spaced apart along said bar and one of which is normally engaged with a locking pin (10) fixedly connected with the other telescopic member (2), said locking pin being, by turning of said bar (7), disengageable from said groove so as to allow both changing of the stick length and renewed locking of the telescopic members relative to each other, by engaging into another groove.</p> |
