Improvements in cultivating implements for use as attachments to motor ploughs, tractors and other mechanically operated agricultural units

摘要

188,459. Fowler & Co. (Leeds), Ltd., J., Cooper, H., and Royston, M. H. Sept. 19, 1921. Implements with adjustable tool frames; lifting-devices, power.-A cultivator for use as an attachment to motor-ploughs &c. comprises in combination a forward frame b directly connected to the tractor and carrying tines b3 and a rear frame c pivoted to the forward frame b by a pin c3 so that it may turn through wide angles relatively to the forward frame for negotiating sharp headlands, the rear frame carrying rollers c1which move over a runway b4 on the frame b. The frames are looked for straight steering by a stop-member h releasable by a foot-lever h1. Automatic lifting gear d such as is described in Specifications 3296/89 and 24335/13 is carried by the rear frame and the depth of cut of the tines c9 on this frame is regulated by a screw-rod g, a link g1 and a lever g2 keyed to the shaft c'.