Title:
FOLDING MECHANISM FOR RECESSED AND PROJECTING JUNCTIONS
Document Type and Number:
Japanese Patent JP2021169296
Kind Code:
A
Abstract:
To allow a rear end to be stored between a top tube and a down tube by its being folded around a horizontal rotation shaft inclined to the down tube and fixed to a seat at a distance from a connection.SOLUTION: A folding means in which a seat 14 to which a horizontal rotation shaft 24 is fixed is separated from a down tube 3 and moved back and forth in the direction of a connection 27 to separate and connect recessed and projecting junctions 11, and the seat 14 is rotated around a quick release 15 to change a direction, includes: a lock button 16 that is attached to the down tube 3 by the quick release 15 and moves along a groove 20 set so as to be directed to a point P where a rear end 8 thereof is stored between a top tube 2 and the down tube 3; and an upper arm 22 and a lower arm 23 that guide the seat 14 by an oval hole 21 for passing the quick release 15 therethrough and connects the down tube 3 and the horizontal rotation shaft 24 at a distance from the connection 27; wherein the rear end 8 is stored between the top tube 2 and the down tube 3.SELECTED DRAWING: Figure 1
Inventors:
KOSHIKAWA ETSUO
Application Number:
JP2020088426A
Publication Date:
October 28, 2021
Filing Date:
April 16, 2020
Export Citation:
Assignee:
KOSHIKAWA ETSUO
International Classes:
B62K15/00