| 摘要 |
675,046. Hay-making. BLACKSTONE & CO., Ltd. Sept. 12, 1950 [Feb. 24, 1950], No. 4864/50. Class 6(iii) A hay-making machine comprises a rake provided with discs 10, 11 carrying tine bars 12 wherein the rake machanism is driven from the tractor power take-off through a reduction gear-box 16 and change-speed and reverse gear-box (not shown) and the machine is connected to tractor hydraulic lifting links 5, 6. The operating height of the machine is adjusted by means of castor wheels 20, 22 independently adjusted by handles 21, 25. One or more gear ratios may be provided for side raking and swath turning and a higher speed reverse drive for tedding. Specifications 615,845 and 675,045 are referred to.
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