| 摘要 |
<p>The frame is for the attachment of portable agricultural implements to a track-laying tractor. It comprises a single axle (1) carried. A three-point lifting gear (3) is mounted to the rear, a prop shaft extending from one end to the other with a forward coupling shaft (5). The lifting gear is operated by hydraulic jacks and the shaft may be fitted with similarly actuated offsetting gear permitting the attachment of a reversible plough. A drive-relay shaft (4) has splines for attachment to the convention, a tractor power-take off point, the jacks being controlled from the tractor with the hydraulic circuit having flexible lines and standard valves.</p> |
