JPH03118189U - - Google Patents
Info
- Publication number
- JPH03118189U JPH03118189U JP2808590U JP2808590U JPH03118189U JP H03118189 U JPH03118189 U JP H03118189U JP 2808590 U JP2808590 U JP 2808590U JP 2808590 U JP2808590 U JP 2808590U JP H03118189 U JPH03118189 U JP H03118189U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical part
- brake drum
- brake device
- brake
- peripheral edge
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims 3
- 239000002184 metal Substances 0.000 claims 2
- 238000005452 bending Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Description
第１図は本考案にかかるブレーキドラム４の平
面図、第２図はその中央断面図、第３図は本考案
のブレーキドラム４を使用した内拡バンドブレー
キ装置の中央断面図、第４図は内拡式バンドブレ
ーキ装置の一部切り欠き正面図である。
符号の説明、１……チエンステー、２……自転
車の後輪軸、３……ハブ体、４……ブレーキドラ
ム、４ａ……円筒、４ｂ……底、４ｃ……周縁、
４ｄ……ボス、５……基板、５ａ……基端部、５
ｂ……先端部、５ｃ……上側折曲げ部、５ｄ……
下側折曲げ部、、６……ブレーキ帯、７……ライ
ニング、８……カバー、９，１０，１１……軸、
１２……上リンク、１２ａ……腕、１２ｂ……折
曲げ部、１２ｃ……逃げ穴、１３……ねじりバネ
、１４……Ｌ字状の下リンク、１４ａ……腕、１
４ｂ……端部、１４ｃ……基部、１５……操作ワ
イヤー、１６……内リンク。
FIG. 1 is a plan view of a brake drum 4 according to the present invention, FIG. 2 is a central sectional view thereof, FIG. 3 is a central sectional view of an internally expanding band brake device using the brake drum 4 of the present invention, and FIG. is a partially cutaway front view of the internal expansion type band brake device. Explanation of symbols, 1... Chain stay, 2... Bicycle rear wheel shaft, 3... Hub body, 4... Brake drum, 4a... Cylinder, 4b... Bottom, 4c... Periphery,
4d...Boss, 5...Substrate, 5a...Proximal end, 5
b...Tip part, 5c...Upper bent part, 5d...
Lower bent part, 6... Brake band, 7... Lining, 8... Cover, 9, 10, 11... Shaft,
12...Upper link, 12a...Arm, 12b...Bending portion, 12c...Escape hole, 13...Torsion spring, 14...L-shaped lower link, 14a...Arm, 1
4b...end, 14c...base, 15...operation wire, 16...inner link.
Claims (1)
周面にライニングを押圧して制動する内拡ブレー
キ装置において、一方端を有底とし、他方端を開
口した金属製円筒部と、この円筒部に形成した当
該円筒部の外周面より外向きの周縁部と、前記底
部の中央に当該円筒部と同芯とした円筒状ボスと
を形成してなるブレーキドラムを用いたことを特
徴とする内拡ブレーキ装置。 (2) 周縁部を金属製円筒部の開口端部に形成し
てなるブレーキドラムを用いた請求項１の内拡ブ
レーキ装置。[Scope of Claim for Utility Model Registration] (1) In an internal brake device that applies braking by pressing a lining against the inner peripheral surface of a brake drum that is integrated with a bicycle wheel, a metal device that has a bottom at one end and an open end at the other end. A brake drum comprising a cylindrical part, a peripheral edge part formed on the cylindrical part facing outward from the outer circumferential surface of the cylindrical part, and a cylindrical boss concentric with the cylindrical part in the center of the bottom part. An internally expanding brake device characterized by using. (2) The inwardly expanding brake device according to claim 1, which uses a brake drum whose peripheral edge is formed at the open end of a metal cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2808590U JPH03118189U (en) | 1990-03-19 | 1990-03-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2808590U JPH03118189U (en) | 1990-03-19 | 1990-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03118189U true JPH03118189U (en) | 1991-12-05 |
Family
ID=31530905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2808590U Pending JPH03118189U (en) | 1990-03-19 | 1990-03-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03118189U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6146294B2 (en) * | 1982-09-30 | 1986-10-13 | Toyoda Gosei Kk | |
| JPH01112037A (en) * | 1987-10-27 | 1989-04-28 | Suzuki Motor Co Ltd | Damping ring for drum brake |
| JPH0226992B2 (en) * | 1980-04-30 | 1990-06-13 | Medoronitsuku Inc |
-
1990
- 1990-03-19 JP JP2808590U patent/JPH03118189U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0226992B2 (en) * | 1980-04-30 | 1990-06-13 | Medoronitsuku Inc | |
| JPS6146294B2 (en) * | 1982-09-30 | 1986-10-13 | Toyoda Gosei Kk | |
| JPH01112037A (en) * | 1987-10-27 | 1989-04-28 | Suzuki Motor Co Ltd | Damping ring for drum brake |
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