| 摘要 |
<p>A power take-off device for a farm vehicle comprises first and second power transmission casing (1, 12) coupled with first and second drive shaft (7, 8) respectively from one end and with first and second stub shaft (2, 13) respectively from another end; wherein: the said first and second power transmission casing (1, 12) further comprises of specially adapted inner housing (20), outer sprocket (21), which encloses an outer ball indexing ring (18), and at least six spherical balls (19) therebetween; and the said inner housing (20) is fixedly secured to a right frame cup via a ball indexing ring (18) where the said sprocket (21) freely rotates concentrically over the said six ball bearing (19) with respect to the said inner housing (20) and the said drive shaft (7, 8). The advantages of the power take-off device are to increase the transmission power and the durability, obviate requirement of continuous lubrication and minimize the noise during operation.</p> |
