| 摘要 |
1525380 Rotary chisels L KLOOSTER & ZONEN BV 17 June 1977 [26 July 1976] 25486/77 Heading B5L In a wood working machine in which chisel blades 6 are fastened to a rotatable chisel block 1 by bolts 5, loosening of each of the blades is prevented, in the event of the rupture of the associated bolt, by an L-shaped clamping plate 7 provided with a pair of projections 13 and 14 engaging in a recessed groove 2 in the block. Each blade is held in position during tightening of its clamping bolt 5 by a pair of set screws 9, 10 supported at 45 degrees to the groove 2 and engaging a face 11 of the blade. |
