JPS6374538U - - Google Patents
Info
- Publication number
- JPS6374538U JPS6374538U JP16869886U JP16869886U JPS6374538U JP S6374538 U JPS6374538 U JP S6374538U JP 16869886 U JP16869886 U JP 16869886U JP 16869886 U JP16869886 U JP 16869886U JP S6374538 U JPS6374538 U JP S6374538U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- cup
- extending portion
- web
- notch
- 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.)
- Granted
Links
- 210000000078 claw Anatomy 0.000 claims description 2
- 229910000639 Spring steel Inorganic materials 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000036316 preload Effects 0.000 claims 1
Landscapes
- Braking Arrangements (AREA)
Description
第１図は第２図の―視断面の要部拡大図で
ある。第２図は本考案が適用されたシユーホルド
ダウン装置を備えたドラムブレーキの一例を示す
正面図である。
１０：バツキングプレート、１２，１４：シユ
ーウエブ、１６，１８：ブレーキシユー、２０，
２２：シユーホルドダウン装置、４２：頭部、４
４：軸部、４６：シユーホルドダウンピン、５０
，５１：カツプ、５２：コイルスプリング、５６
：切欠、５８：貫通穴、６０：第一延出部、６２
：第二延出部、６４：係合爪。
FIG. 1 is an enlarged view of a main part of a cross section taken along the line - in FIG. 2. FIG. 2 is a front view showing an example of a drum brake equipped with a shun hold down device to which the present invention is applied. 10: Bucking plate, 12, 14: Show web, 16, 18: Brake show, 20,
22: Shu hold down device, 42: Head, 4
4: Shaft, 46: Shuhold down pin, 50
, 51: Cup, 52: Coil spring, 56
: Notch, 58: Through hole, 60: First extension part, 62
: second extension part, 64: engagement claw.
Claims (1)
して長手方向中間部に内周側に向かつて開口する
切欠が形成されるとともに該切欠より外周側の所
定位置に係合穴が形成されたシユーウエブをそれ
ぞれ有する一対のブレーキシユーを備えたドラム
ブレーキにおいて、 軸部と、その一端に設けられて該軸部から軸心
と直角な方向へ所定距離突き出す頭部とを有し、
該軸部の他端側において前記バツキングプレート
に揺動可能に取り付けられるとともに、該軸部の
中間部が前記シユーウエブの切欠内に挿通させら
れるシユーホルドダウンピンと、該シユーホルド
ダウンピンの頭部と前記シユーウエブとの間に配
設され、該頭部側に位置する第一カツプおよび該
シユーウエブ側に位置する第二カツプと、該両カ
ツプ間に所定の予荷重が付与された状態で介装さ
れたコイルスプリングとを備え、前記ブレーキシ
ユーを互いに拡開可能な状態で前記バツキングプ
レート上に支持するシユーホルドダウン装置であ
つて、 前記第二カツプをバネ鋼にて成形するとともに
、該第二カツプに、その外周縁から前記バツキン
グプレートと離隔する方向に延びる第一延出部と
、該第一延出部の先端において回曲させられるこ
とにより前記バツキングプレートに向かつて延び
て前記係合穴内に挿入される第二延出部とを有し
、該第二延出部が該第一延出部から離隔する方向
において弾性変形可能な係合爪を一体に含むこと
を特徴とするドラムブレーキ用シユーホルドダウ
ン装置。[Claims for Utility Model Registration] Disposed on the backing plate, a notch is formed in an arc shape and opens toward the inner circumferential side in the middle part in the longitudinal direction, and at a predetermined position on the outer circumferential side of the notch. A drum brake comprising a pair of brake shoes each having a shoe web with an engagement hole formed in the shaft, and a head provided at one end of the shaft and protruding a predetermined distance from the shaft in a direction perpendicular to the shaft center. and has
a shoe-hold down pin that is swingably attached to the bucking plate on the other end side of the shaft portion and has an intermediate portion of the shaft portion inserted into a notch in the shoot web; A first cup disposed between the head and the show web, and a first cup located on the head side and a second cup located on the show web side, with a predetermined preload being applied between both cups. The shoe hold-down device includes an interposed coil spring and supports the brake shoes on the bucking plate in a mutually expandable state, wherein the second cup is formed of spring steel. In addition, the second cup has a first extending portion extending from its outer peripheral edge in a direction away from the backing plate, and a tip of the first extending portion that is bent toward the backing plate. a second extending portion that extends and is inserted into the engaging hole, and the second extending portion integrally includes an engaging claw that is elastically deformable in a direction separating from the first extending portion. A shew hold down device for drum brakes, which is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16869886U JPH032019Y2 (en) | 1986-10-31 | 1986-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16869886U JPH032019Y2 (en) | 1986-10-31 | 1986-10-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6374538U true JPS6374538U (en) | 1988-05-18 |
| JPH032019Y2 JPH032019Y2 (en) | 1991-01-21 |
Family
ID=31101813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16869886U Expired JPH032019Y2 (en) | 1986-10-31 | 1986-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032019Y2 (en) |
-
1986
- 1986-10-31 JP JP16869886U patent/JPH032019Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH032019Y2 (en) | 1991-01-21 |
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