JPS6044892U

JPS6044892U - Folding handlebar post for bicycle

Info

Publication number: JPS6044892U
Application number: JP13360083U
Authority: JP
Inventors: 石橋　秀幸
Original assignee: ブリヂストンサイクル株式会社
Priority date: 1983-08-31
Filing date: 1983-08-31
Publication date: 1985-03-29
Also published as: JPH021194Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案装置を一部断面で示す側面図、第２図は
その分解斜視図、第３図はメインポストの一部を断面図
で示す側面図、第４図はロアーポストの縦断側面図、第
５図は第１図の作動説明図、第６図はハンドルポストを
折り畳んだ状態を示す正面図、第７図ａはアームを倒し
た場合の偏心カム機構の側面図、同図すはその縦断正面
図、第８図ａはアームを起した場合の偏心カム機構の側
面図、同図すはその縦断正面図、第９図ａ、　ｂは皿ば
ね座金の重合方法を示す断面図、第１０図は皿ばね産金
の荷重特性図、第１１図は偏心カム付きレバーの回転角
と偏心カム軸の上下移動量の関係を示す特性図、第１２
図は偏心カム付きレバーの回転角と引張力の関係を示す
特性図である。１・・・ヘッドパイプ、５・・・前ホークステム、１３
・・・ハンドルバー、１４・・・傾斜面、１５・・・メ
インポスト、１６・・・ロアーポスト、１９・・・ワイ
ヤー、２０・・・皿ばね座金、２１・・・鍔付き固定金
具、２２・・・ねじ付き固定金具、２３・・・回り止め
ねじ、２４・・・スライドパイプ、２５・・・ヘッドキ
ャップ、２６・・・締め付はバンドミー２９・・・アジ
ャスター、３０・・・平座金、３１・・・スリーブ、３
２・・・アーム、３３・・・偏心カム、３４・・・リン
グ、３５・・・レバー、３６・・・枢支軸、３７・・・
リベット。 −、”１７　　３ｆ４′″（−Ｊ　＼１１１　　　　只Figure 1 is a side view partially showing the device of the present invention in cross section, Figure 2 is an exploded perspective view thereof, Figure 3 is a side view partially showing the main post in cross section, and Figure 4 is a longitudinal side view of the lower post. Figure 5 is an explanatory diagram of the operation in Figure 1, Figure 6 is a front view showing the handle post in a folded state, Figure 7a is a side view of the eccentric cam mechanism when the arm is folded down, 8A is a side view of the eccentric cam mechanism when the arm is raised; FIG. , Fig. 10 is a load characteristic diagram of disc spring produced gold, Fig. 11 is a characteristic diagram showing the relationship between the rotation angle of the lever with an eccentric cam and the vertical movement amount of the eccentric cam shaft, and Fig. 12
The figure is a characteristic diagram showing the relationship between the rotation angle and the tensile force of a lever with an eccentric cam. 1... Head pipe, 5... Front Hawk stem, 13
...Handlebar, 14...Slanted surface, 15...Main post, 16...Lower post, 19...Wire, 20...Disc spring washer, 21...Fixing metal fitting with flange, 22 ... Threaded fixing fitting, 23 ... Stopper screw, 24 ... Slide pipe, 25 ... Head cap, 26 ... Band me for tightening 29 ... Adjuster, 30 ... Flat washer , 31... sleeve, 3
2... Arm, 33... Eccentric cam, 34... Ring, 35... Lever, 36... Pivot shaft, 37...
rivet. -, "17 3f 4'" (-J \1 11 only

Claims

[Scope of utility model registration request]

The handle post that supports the handlebar 13 is attached to the inclined surface 1.
4 into upper and lower main posts 15.
and a lower lower post 16 are formed separately, and the lower part of the lower post 16 is inserted and fixed into the front Hawk stem 5, and a hollow cylindrical slide pipe 24 is installed at the joint between the lower post 16 and the main post 15. the wire 19 is inserted into the main post 15 and the lower post 16, and the lower post 16 is fitted with the disc spring washer 20.
is supported by the lower end of the wire 19 via the
4. A folding handle post for a bicycle, in which the upper end of the wire 19 is connected to a pivot shaft 36 of a lever 35 for eccentric force provided at the upper part of the main post 15.