JPS5820987U - Bicycle frame parts - Google Patents

Bicycle frame parts

Info

Publication number
JPS5820987U
JPS5820987U JP11654281U JP11654281U JPS5820987U JP S5820987 U JPS5820987 U JP S5820987U JP 11654281 U JP11654281 U JP 11654281U JP 11654281 U JP11654281 U JP 11654281U JP S5820987 U JPS5820987 U JP S5820987U
Authority
JP
Japan
Prior art keywords
bicycle frame
frame member
utility
boundary layer
linear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP11654281U
Other languages
Japanese (ja)
Inventor
正士 長野
Original Assignee
株式会社シマノ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社シマノ filed Critical 株式会社シマノ
Priority to JP11654281U priority Critical patent/JPS5820987U/en
Publication of JPS5820987U publication Critical patent/JPS5820987U/en
Pending legal-status Critical Current

Links

Landscapes

  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)

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図は円管まわりの空気流れを示す縦断面図、第２図
は本考案の一実施例を示す側面図、第３図は斜視図、第
４図は本考案フレーム部材まわりの、　空気流れを示す
縦断面図、第５図は本考案フレーム部材の空気抵抗係数
の実測値を示すグラフ、第６図及び第７図は他の実施例
を示す縦断面図である。 １〜８・・・フレーム部材、１０・・・線状突起、１１
・・・層流境界層、１２・・・乱流境界層、Ｐ・・・層
流例は点。Fig. 1 is a longitudinal sectional view showing the air flow around the circular pipe, Fig. 2 is a side view showing an embodiment of the invention, Fig. 3 is a perspective view, and Fig. 4 is the flow of air around the frame member of the invention. FIG. 5 is a graph showing actual measured values of the air resistance coefficient of the frame member of the present invention, and FIGS. 6 and 7 are longitudinal sectional views showing other embodiments. 1-8... Frame member, 10... Linear projection, 11
... Laminar boundary layer, 12... Turbulent boundary layer, P... Laminar flow example is a point.

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）走行時、空気流に層流剥離が生ずる自転車用フレ
ーム部材であって部材表面に、該表面に接する層流境界
層を乱流境界層に変化させる線状突起を、前記表面の長
さ方向はＳ゛全長亘って設けたことを特徴とする自転車
用フレーム部材。(1) A bicycle frame member in which laminar flow separation occurs in the airflow during running, and on the surface of the member, linear protrusions that change the laminar boundary layer in contact with the surface into a turbulent boundary layer are installed along the length of the surface. A bicycle frame member characterized in that the frame member is provided over the entire length of S in the horizontal direction. （２）部材表面に設ける線状突起を層流剥離点近くに配
設したことを特徴とする実用新案登録請求の範囲第１項
記載の自転車用フレーム部材。(2) The bicycle frame member according to claim 1, which is a registered utility model, characterized in that the linear projections provided on the surface of the member are arranged near the laminar flow separation point. （３）部材表面に設ける線状突起を、前記部材表面に対
し流れる空気流れの中心線に対し、７０゜乃至８０°の
位置に配設したことを特徴とする実用新案登録請求の範
囲第１項又は第２項記載の自転車用フレーム部材。(3) Utility model registration claim 1, characterized in that the linear protrusion provided on the surface of the member is arranged at a position of 70° to 80° with respect to the center line of the air flow flowing toward the surface of the member. The bicycle frame member according to item 1 or 2.
JP11654281U 1981-08-04 1981-08-04 Bicycle frame parts Pending JPS5820987U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11654281U JPS5820987U (en) 1981-08-04 1981-08-04 Bicycle frame parts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11654281U JPS5820987U (en) 1981-08-04 1981-08-04 Bicycle frame parts

Publications (1)

Publication Number Publication Date
JPS5820987U true JPS5820987U (en) 1983-02-09

Family

ID=29910761

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11654281U Pending JPS5820987U (en) 1981-08-04 1981-08-04 Bicycle frame parts

Country Status (1)

Country Link
JP (1) JPS5820987U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02185700A (en) * 1989-01-12 1990-07-20 Nippondenso Co Ltd Blower
BE1018201A6 (en) * 2008-06-27 2010-07-06 Rp Beheer Nv BIKE WITH LOWERED AIR RESISTANCE AND METHOD THEREFORE APPLIED.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02185700A (en) * 1989-01-12 1990-07-20 Nippondenso Co Ltd Blower
BE1018201A6 (en) * 2008-06-27 2010-07-06 Rp Beheer Nv BIKE WITH LOWERED AIR RESISTANCE AND METHOD THEREFORE APPLIED.

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