| 摘要 |
1,185,428. Tractor power lift mechanisms. REGIE NATIONALE DES USINES RENAULT. 18 Oct., 1968 [24 Nov., 1967], No. 49654/68. Heading A1P. A device for sensing traction force on draft rods 5 of a tractor consists of the rods 5 pivoted on lever 4 fixed on a shaft 1 extending through the tractor rear axle case 2 and is characterized in that the shaft 1 is mounted in an oil-tight manner in the casing 2 by means of elastic bushes 7 cemented both to the shaft and to the case. The return force to the shaft is provided by the elasticity of bushes 7 alone or aided by a spring 9 connected between the case 2 and a lever 8 fixed on the shaft 1. |
