| 摘要 |
PURPOSE: A lock device of the necklace frame for a cowshed is provided, which can minimize labor force according to installation and improves reliability of the lock device. 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 rotary pole(40) rotating around a rotary shaft between the supports; a fastener(110) which is formed to penetrate a control rod(50), is equipped with a fixing groove and a pause ring groove and is installed to be fixed against the control rod; and a stopper(120) which is located in the fixing groove and pause ring groove of the fastener. |
