| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a lance operation assisting device assisting the operation of a lance when a worker tiltably supports and operates the long lance on one point. <P>SOLUTION: The lance operation assisting device 1 is such constituted that an air cylinder 2 to protrude a rod 21 upward from a tube 23 is linked in a free attitudinal manner to an anchor 3 to be placed on a working scaffold 7 and depressed by a worker 5 through a shackle 4; the rod 21 of the air cylinder 2 is installed with a hook 22 engaging with a lance 6 at least from upward; a front supply and discharge port of a front chamber of the tube 23 is installed with a regulator 24, and a compressed air Ap is supplied to and discharged from the front chamber through the regulator 24; and air An is naturally supplied and discharged from a rear supply and discharge port of a rear chamber of the tube 23 to the rear chamber. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
