| 摘要 |
PURPOSE: A lock device of the necklace frame for a cowshed is provided, which solves the problem that a stopper is bounced by shock. CONSTITUTION: A lock device of the necklace frame for a cowshed comprises a plurality of supports(30) which are installed between an upper crosspiece(10) and a lower crosspiece(20); a lock unit which is installed in a control rod(50); a fixing groove(112) in which a stopper is installed; a ring groove into which the stopper is inserted; and a rotating pole(40) rotating around a rotary shaft; and a separation inducing block which is placed on the site facing the fixing groove. |
