| 摘要 |
<p>A steering column for a machine, particularly, a combine harvester, comprises a substantially vertical fixed tubular housing (2), a lower shaft (4) rotatably mounted in the fixed tubular housing (2) and connected at its lower end to a steering box (5), an upper shaft connected at one end by a universal joint (6) to the lower shaft and connected at its other end to the steering wheel, a movable housing (9) surrounding the upper shaft (7) and articulated to the fixed tubular housing (2) about a horizontal transverse axis (10) coincident with the universal joint (6), a positioning rod (14) located within the fixed tubular housing (2) and connected to the movable housing (9), locking means carried by the fixed housing (2) arranged to lock the said rod (14) and hence the steering wheel (8) in a predetermined position, resilient means (21) biassing the locking means into their locking condition, and means (20) for disengaging the locking means from their locked condition.</p> |
