| 摘要 |
1468691 Toothed gearing; bearings CAM GEARS Ltd 20 June 1975 [11 July 1974] 30789/74 Headings F2A and F2Q Rotation of an input shaft 4 is transmitted through a primary helical pinion 2, on the shaft 4, and intermediate helical pinions 14, 16 or an intermediate shaft 17 to a helical pinion 20 on an output shaft 22, and cyclic variation of the output is effected by axial movement of the intermediate shaft 17 by means of a helical cam groove 30 in shaft 17 engaging a peg 32 mounted on the inner wall of the gear casing 6. One of the gear sets 2, 14, or 16, 20 may have straight teeth. The mechanism may be mounted in the steering column assembly of a vehicle between the steering wheel and the actual steering gear, shaft 4 is rotatably mounted by a ball bearing assembly 8 and a conical needle or plain bearing 10. |
