JPS61105285U

JPS61105285U -

Info

Publication number: JPS61105285U
Application number: JP19020884U
Authority: JP
Priority date: 1984-12-17
Filing date: 1984-12-17
Publication date: 1986-07-04

Description

[Brief explanation of the drawing]

第１図は本考案による練習用一輪自転車を示す
図。第２図は連結装置の構成を示す断面部分図。
第３図は第２図―線における断面図。第４図
は連結装置の別の形体を示す第２図と同様な図。
第５図は本考案による練習用一輪自転車の各部分
の運動形体を模式的に示す図。１……フレーム、２……サドル、３……ペダル
、４……車輪、５……ハンドル、６……補助車輪
、７……補助フレーム、８……連結フレーム、９
……連結装置、１０……自在軸受、１１……連結
桿、１２……弾性部材。 FIG. 1 is a diagram showing a training unicycle according to the present invention. FIG. 2 is a partial cross-sectional view showing the configuration of the coupling device.
FIG. 3 is a sectional view taken along the line of FIG. 2. FIG. 4 is a view similar to FIG. 2 showing another form of the coupling device.
FIG. 5 is a diagram schematically showing the motion form of each part of the training unicycle according to the present invention. 1... Frame, 2... Saddle, 3... Pedal, 4... Wheel, 5... Handle, 6... Auxiliary wheel, 7... Auxiliary frame, 8... Connection frame, 9
...Connection device, 10...Swivel bearing, 11...Connection rod, 12...Elastic member.

Claims

[Claims for Utility Model Registration] (1) Two sets of flexible bicycles are installed between the connecting frame provided between the well-known unicycle frame and the auxiliary frame which supports an auxiliary wheel at the lower end and has a handle at the upper end. A single-wheel training bicycle comprising a universal coupling device having a bearing and a coupling rod having both ends supported by the bearing. (2) The swivel bearing has a rotation axis in its diametrical direction, and is composed of a ring that is rotatably mounted on the connecting frame perpendicular to the direction of the connecting axis, and each end of the connecting rod is connected to the rotation axis of each ring of the swivel bearing. The training tool according to claim 1 of the registered utility model, characterized in that the training tool is rotatably mounted on a shaft in a direction perpendicular to the shaft, and an elastic member is provided between each attachment position of the swivel bearing to the frame. Unicycle. (3) The single-wheel training bicycle according to claim 2, wherein the swivel bearing and both ends of the connecting rod are supported by a spherical journal bearing structure.