| 摘要 |
PURPOSE: A length control structure for a multiple stick is provided, which can lock movement of an inner pole and can release lock state of the inner pole. CONSTITUTION: A length control structure for a multiple stick comprises a housing(10) which is fixed while surrounding a connection part of the inner pole and outer pole; a sew-saw member(20) which is mounted so that the inner pole can pass through inside of the housing and revolves to the top and bottom; a switching member(30) which is seesaw moves the sew-saw member while moving up and down along the inside of the outer pole; a stopper member(40) which locks the movement of the inner pole and releases the inner pole; and an elastic member returning the stopper member. |
