JPS6228694U

JPS6228694U -

Info

Publication number: JPS6228694U
Application number: JP12115485U
Authority: JP
Priority date: 1985-08-07
Filing date: 1985-08-07
Publication date: 1987-02-21

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例分解斜視図、第２図
は第１図要部縦断面図、第３図は第１図のものの
ヘツド部１とステム部６を嵌合した状態の横断面
図、第４図はその他の実施例斜視図、第５図は従
来のハンドルステムのヘツド部１とステム部６を
別体に形成したハンドルステム要部縦断面図を示
す。１…ステム部、２…クランプ部、３…嵌合部、
３ａ…外筒、３ｂ…内筒、４…回り止め、６…ス
テム部、７…ステム部の上端。 Fig. 1 is an exploded perspective view of one embodiment of the present invention, Fig. 2 is a vertical cross-sectional view of the main part of Fig. 1, and Fig. 3 is a cross-sectional view of the head part 1 and stem part 6 of Fig. 1 in a fitted state. 4 is a perspective view of another embodiment, and FIG. 5 is a longitudinal sectional view of the main part of a conventional handle stem in which the head portion 1 and stem portion 6 of the handle stem are formed separately. 1... Stem part, 2... Clamp part, 3... Fitting part,
3a...outer cylinder, 3b...inner cylinder, 4...rotation stopper, 6...stem part, 7...upper end of the stem part.

Claims

[Claims for Utility Model Registration] 1. Consisting of a head portion 1 having a clamp portion 2 for holding a handle 11, and a stem portion 6 of a round pipe to which an upper end 7 is fitted and fixed to the head portion 1; The fitting part 3 with the stem part 6 consists of an outer cylinder 3a and an inner cylinder 3b that are formed concentrically, and the inner diameter of the outer cylinder 3a is the same as the upper end 7 of the stem part 6, and the inner cylinder 3b
The outer diameter of the stem portion 6 is approximately the same as the inner circumference of the upper end 7 of the stem portion 6, and the fitting portion 3 or/and the stem portion 6
A detent 4 is provided at the upper end 7 of the fitting part 3.
A bicycle handle stem characterized in that an upper end 7 of a stem portion 6 is press-fitted and fixed into a gap between an outer cylinder 3a and an inner cylinder 3b. 2. The bicycle handle stem according to claim 1, wherein the outer periphery of the inner cylinder 3b of the fitting part 3 of the head part 1 is tapered so that the diameter increases toward the inner part. 3 Fitting part 3 of head part 1 and/or stem part 6
The detent 4 provided at the upper end 7 is connected to a convex 4' provided in the axial direction on the outer periphery of the inner cylinder 3b of the fitting part 3, and the convex 4' provided at the upper end 7 of the stem part 6. A bicycle handle stem according to claim 1 or 2 of the utility model registration claim, which has a cut 4'' corresponding to the above.