Patent ID: 9452763
Filing Date: 2016-09-27
CPC Classification: B61B,B61F,B62D,F16H,Y10T

Claim Text:
1. A guide-rail track vehicle which travels on a track, comprising: a carbody which is disposed at an upper portion of a vehicle; and a running device which supports the carbody from below and has a guide frame on which at least a pair of guide wheels that are guided by a guide rail provided at the track are mounted, wherein the guide frame has a pair of beam members which can slide in a width direction of the track and on which the respective guide wheels are mounted, a rotating part capable of rotating around a first axis along a traveling direction, and a transmission part which converts rotation of the rotating part into movement in the width direction and symmetrically moves the guide wheels by synchronizing the pair of beam members, wherein the transmission part has a first gear which is fixed to the rotating part and can rotate around the first axis, a second gear which meshes with the first gear, thereby rotating around a second axis along the width direction according to rotation of the first gear, and a rod which is fixed to the second gear, extends in the width direction, has first threaded portions formed on sides of both end portions, and rotates along with the second gear, and in each of the pair of beam members, a second threaded portion which is screwed to the first threaded portion is formed such that the pair of beam members come close to each other if the rod rotates to one side in a state where the first threaded portion is screwed and that the pair of beam members are spaced apart from each other if the rod rotates to the other side.