| 摘要 |
PROBLEM TO BE SOLVED: To provide a turntable supporting mechanism to improve rigidity of a sub-frame to support a turntable without increasing weight of the vehicle. SOLUTION: The turntable supporting mechanism has a plurality of reinforcing members 70-81 arranged in the sub-frame 18 constituted by having an upper plate part 19 and a lower plate part 23 arranged vertically with a specified interval and extending roughly in the horizontal direction before and behind and a pair of side plate parts 27 vertically connecting these left and right both end parts. The reinforcing members 70-81 are arranged in a space part 20a in the sub-frame on the outside in the diametrical direction of a hole part 20 formed on the upper plate part 19 and in which the turntable is mounted free to turn and revolve and vertically extend, the upper end part is connected to the upper plate part 19 and the lower end part is connected to the lower plate part 23, and the space part 20a is arranged to be partitioned in a cell shape by the upper plate part 19, the lower plate part 23 and the reinforcing members 70-81. COPYRIGHT: (C)2004,JPO
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