| 摘要 |
A commercial vehicle seating and operating unit fastened to a support ( 1 ) comprises a rotatably supported base plate ( 2 ), by means of which the seating and operating unit is supported rotatably about a vertical axis of rotation. The bearing arrangement comprises two cylindrical sleeves, which are disposed one coaxially in the other, a first inner sleeve ( 19 ) that is rigidly connected to the commercial vehicle and a second outer sleeve ( 21 ) that is rigidly connected to the seating and operating unit, the inner sleeve ( 19 ) forming a passage for the penetration of cables, pipes or hosepipes that connect the seating and operating unit to a unit of the vehicle. The bearing arrangement has a limiting device, which limits the rotation of the seating and operating unit about the vertical axis to a preset maximum angle.
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