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Patent Searching and Data


Title:
THREE WHEELED BICYCLE
Document Type and Number:
Japanese Patent JP2020147151
Kind Code:
A
Abstract:
To provide a three-wheeled bicycle that can be easily folded and be provided with a swing function compared with a conventional three-wheeled bicycle that is difficulty in being folded and has a limited swing function even when being modified.SOLUTION: In the present invention, a rear wheel tire of a bicycle or the like is removed and connection portions (7) are attached to a rear frame and a support base (5) is fixed, and a drive gear (2), driven gears (1), and flexible shafts (1b) engaging with one another are provided. The flexible shafts (1b) are fixed substantially to the center of a cylindrical sprocket (18) supported between left and right fixation support shafts (19), and are bent and extended in the respective fixation support shafts (19), and a swing device (3) is provided in a halfway. A bearing (4) in which wheel end shafts (11) connected to the flexible shafts (1b) are rotatably disposed is provided. A three-wheeled bicycle with left and right tires operating in conjunction with each other enables traveling superior in safety, mobility, foldability, and riding comfort.SELECTED DRAWING: Figure 2

Inventors:
OYAMADA MASAHIRO
Application Number:
JP2019046012A
Publication Date:
September 17, 2020
Filing Date:
March 13, 2019
Export Citation:
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Assignee:
OYAMADA MASAHIRO
International Classes:
B62K13/04; B62K15/00