| 摘要 |
The unit (1) is designed as a base (7) with two vertical joining areas (9, 11) and a third joining point (13) positioned horizontally at the lower end of a holding arm (49). Each of the two vertical units (9, 11) is assembled of a conical element (15) with a cylindrical lower area (19) permanently attached to the base (7) and to be inserted from the top into a matching rubber sleeve (23). The third joining area (13) is assembled of a conical opening (51) in the holding arm (49), a conical rubber sleeve (23) and a separate locking element (45) to be guided through the opening (51) into the sleeve (23).
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