| 摘要 |
1,206,086. Rotary mower cutter. P. W. ZWEEGERS. 23 May, 1969 [10 June, 1968], No. 26357/69. Heading A1F. A cutter 8 for a rotary mower pivoted by pin 12 to blade spring 11 has an inverted U-shaped bend 19 transverse to the cutting edge which rests against the flange 5 of the mower. A hole 16 in the blade 8 engages a groove 15 in the pin 12. |
