PROBLEM TO BE SOLVED: To suppress increase in size around a swing shaft even in a case where a suspension arm is supported by a plurality of kinds of bearings, relating to a front twin-wheel type saddle riding type swing vehicle in which the suspension arm is supported by a head pipe.SOLUTION: There are provided a vertical swing shaft which is cantilevered with a head tube 12 for supporting an upper arm and a lower arm for swinging, and a first pivot part 57 which is supported on a base end side of the vertical swing shaft through a ball bearing BB and supported on a tip end side of the vertical swing shaft through a needle bearing NB at left and right inside parts of the upper arm and the lower arm.SELECTED DRAWING: Figure 11
【課題】ヘッドパイプにサスペンションアームを支持する前二輪式鞍乗り型揺動車両において、サスペンションアームを複数種の軸受けで支持する場合にも揺動軸周辺の大型化を抑える。【解決手段】ヘッドパイプ12に片持ち支持されてアッパーアーム及びロアアームを揺動可能に支持する上下揺動軸を備え、アッパーアーム及びロアアームの左右内側部には、上下揺動軸の基端側にボールベアリングBBを介して支持されるとともに上下揺動軸の先端側にニードルベアリングNBを介して支持される第一軸支部57が設けられる。【選択図】図11
FRONT TWIN-WHEEL TYPE SADDLE RIDING TYPE SWING VEHICLE
前二輪式鞍乗り型揺動車両
2016-04-25
Patent
Electronic Resource
Japanese
IPC: | B62K Fahrräder , CYCLES |
SADDLE-RIDING TYPE VEHICLE WHEEL AND SADDLE-RIDING TYPE VEHICLE
European Patent Office | 2017
|Swing arm type front suspension for saddle type riding vehicle
European Patent Office | 2023
|SADDLE-RIDING TYPE VEHICULAR WHEEL AND SADDLE-RIDING TYPE VEHICLE
European Patent Office | 2022
|