JPS6044891U - Folding handlebar post for bicycle - Google Patents

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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案装置の分解斜視図、第２図はそのハンド
ルポスト部の側面図、第３図は同背面図、第４図は第３
図の縦断面図、第５図はそのハンドルポストの断面図、
第６図はワイヤー上半部の部分断面図、第７図はハンド
ルポスト部を前ホークステム内に挿入した状態を一部断
面で示す側面図、第８図はその固定状態を示す側面図、
第９図はそのハンドルポストの折り畳み状態を示す正面
図、第１０図は他の実施例を示すヘッド部の分解斜視図
、第１１図ａ、　ｂは皿ばね座金の重合方法を示す断面
図、第１２図は皿ばね座金の荷重特性図、第１３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１４図は偏心カム付きレバーの回
転角と引き上げ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、１５
・・・ハンドルバー、１６・・・ハンドルポスト、１７
・・・傾斜面、１８・・・引き上げウス（ハンドルポス
ト）、２１・・・偏心カム付きレバー、２２・・・偏心
カム軸、２３．２３’・・・偏心カム、２６・・・ワイ
ヤー、２７・・・索端連結金具、２８・・・索端ねじ金
具、２９・・・皿ばね座金、３０・・・ロックナツト、
３１・・・調整ナツト、３．３・・・ガイド溝、３４・
・・突起、３５・・・ガイドワッシャー、３６・・・割
り溝、３７・・・カラー、３８・・・長孔、３９：・・
小ねじ。 ９ハ 眠り １″″１ ２１１−　−　１’ ・ゴｉ　　　、１ｆ　　　　。 （−４５しｌア　　　　　−Figure 1 is an exploded perspective view of the device of the present invention, Figure 2 is a side view of the handle post, Figure 3 is a rear view of the same, and Figure 4 is the third
Fig. 5 is a cross-sectional view of the handle post,
Fig. 6 is a partial cross-sectional view of the upper half of the wire, Fig. 7 is a side view, partially in cross-section, of the handle post inserted into the front Hawk stem, and Fig. 8 is a side view showing its fixed state;
FIG. 9 is a front view showing the handle post in its folded state, FIG. 10 is an exploded perspective view of the head portion showing another embodiment, and FIGS. Figure 12 is a load characteristic diagram of the disc spring washer, Figure 13 is a characteristic diagram showing the relationship between the rotation angle of the lever with an eccentric cam and the vertical movement of the eccentric cam shaft, and Figure 14 is a diagram showing the relationship between the rotation angle of the lever with an eccentric cam and the amount of vertical movement of the eccentric cam shaft. FIG. 3 is a characteristic diagram showing the relationship between pulling forces. 1... Head pipe, 5... Front Hawk stem, 15
...Handlebar, 16...Handle post, 17
... Inclined surface, 18 ... Pulling lever (handle post), 21 ... Lever with eccentric cam, 22 ... Eccentric cam shaft, 23.23' ... Eccentric cam, 26 ... Wire, 27... Cable end connection fitting, 28... Cable end screw fitting, 29... Belleville spring washer, 30... Lock nut,
31... Adjustment nut, 3.3... Guide groove, 34...
... Protrusion, 35 ... Guide washer, 36 ... Division groove, 37 ... Collar, 38 ... Long hole, 39: ...
Machine screw. 9ha sleep 1''''1 211--1'・goi, 1f. (-45 ShilA -

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 傾斜面１７によって二分割したハンドルポスト１６．１
８を前ホークステム５内に挿入し、ハンドルポスト１６
に枢支した偏心カム付きレバー２１の操作によりハンド
ルポスト１６．１８を前ホークステム５に固定あるいは
解除するものにおいて、ハンドルポスト１６の頭部に、
挿通した前記レバー２１の偏心カム軸２２にハンドルポ
スト１６．１８内に挿入したワイヤー２６の上端を連結
すると共に、このワイヤー２６の下部をハンドルポスト
下部の引き上げウス１８の底部に貫通し、その突出ねじ
部２８ａに皿ばね座金２９を介してナツト３０．３１を
螺合し、ハンドルポスト１６と引き上げウス１８の側面
にガイド溝３３を設けると共に、自転車のフレーム側に
突設した突起３４を前記ガイド溝３３に嵌入してなる自
転車用折り畳みハンドルポスト。Handle post 16.1 divided into two parts by inclined surface 17
8 into the front Hawk stem 5, and attach the handle post 16.
The handle post 16.18 is fixed to or released from the front Hawk stem 5 by operating a lever 21 with an eccentric cam pivotally supported on the handle post 16.
The upper end of the wire 26 inserted into the handle post 16.18 is connected to the eccentric camshaft 22 of the lever 21 inserted through it, and the lower part of this wire 26 is passed through the bottom of the lifting head 18 at the lower part of the handle post, and its protrusion is A nut 30.31 is screwed onto the threaded portion 28a via a disc spring washer 29, and a guide groove 33 is provided on the side surface of the handle post 16 and the lifting head 18, and a protrusion 34 protruding from the bicycle frame side is inserted into the guide groove 33. A folding handlebar post for a bicycle that is fitted into a groove 33.