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公开(公告)号：US11420704B2
公开(公告)日：2022-08-23
申请号：US16330582
申请日：2017-09-05
申请人： PIAGGIO & C. S.p.A.
摘要： Steering group of a motor vehicle including a front frame provided with a steering tube that rotatably houses a steering shaft or pin, which rotates about a steering axis, the front frame being provided with an upright integral with the steering tube, the front frame having a steering bracket (36), integral in rotation with the steering shaft where, the steering group includes elastic return means which elastically influence the steering shaft to position itself symmetrically with respect to the front frame, the elastic return means being interposed between the upright and the steering bracket so as to be compressed when the steering shaft rotates with respect to the central symmetrical position, wherein the elastic return means have a regressive trend elastic response.
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公开(公告)号：US10759487B2
公开(公告)日：2020-09-01
申请号：US15566414
申请日：2016-04-08
申请人： PIAGGIO & C S.P.A.
摘要： Steering group of a motor vehicle comprising a front frame provided with a steering tube that rotatably houses a steering shaft or pin, which rotates about a steering axis, the front frame being provided with an upright integral with said steering tube, the front frame comprising a steering bracket, integral in rotation with the steering shaft. Advantageously, the steering group comprises elastic return means which elastically influence the steering shaft to position itself centrally with respect to the front frame, said elastic return means being placed and mechanically connected between the upright and the steering bracket in order to exert an elastic return action when the steering shaft rotates with respect to said central symmetrical position, wherein said elastic return means have a regressive trend elastic response.
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