JPS6374537U - - Google Patents
Info
- Publication number
- JPS6374537U JPS6374537U JP16869786U JP16869786U JPS6374537U JP S6374537 U JPS6374537 U JP S6374537U JP 16869786 U JP16869786 U JP 16869786U JP 16869786 U JP16869786 U JP 16869786U JP S6374537 U JPS6374537 U JP S6374537U
- Authority
- JP
- Japan
- Prior art keywords
- web
- shew
- shoe
- cup
- hole
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000036316 preload Effects 0.000 claims 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 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。第3図は従来のシユーホルドダウ
ン装置を備えたドラムブレーキの要部を示す図で
あつて、第1図に相当する図である。
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
6: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:係合爪、62:当接部。
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. FIG. 3 is a diagram showing the main parts of a drum brake equipped with a conventional shun hold down device, and corresponds to FIG. 1. 10: Bucking plate, 12, 14: Show web, 16, 18: Brake show, 20,
22: Shuhold down device, 42: Head, 4
6: Shuhold down pin, 50, 51: Cup, 52: Coil spring, 56: Notch, 58
: Through hole, 60: Engagement claw, 62: Contact portion.
Claims (1)
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貫通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と
、 一端においてバツキングプレートに揺動可能に
取り付けられ且つ中間部が前記シユーウエブの前
記切欠内を挿通させられるとともに他端側に頭部
を有するシユーホルドダウンピンと、該シユーホ
ルドダウンピンがそれぞれ挿通する状態で前記頭
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
リングとを有し、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と を備えたドラムブレーキにおいて、 前記第二カツプに、外周縁から前記バツキング
プレートに向かつて延びて前記貫通穴内に所定距
離突き出した状態で挿入されるとともに該貫通穴
と前記シユーウエブ内周側において係合可能な係
合爪を設ける一方、該係合爪の突出端に、前記シ
ユーウエブの外周側に向かつて延び、該係合爪が
前記貫通穴のシユーウエブ内周側と係合する位置
において、該シユーウエブの前記第二カツプが設
けられている側と反対側の面と当接可能な当接部
を設けた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] A shew web having an arcuate shape and having a notch that opens toward the inner circumference in the middle part in the longitudinal direction, and a through hole formed at a predetermined position on the outer circumferential side of the notch. a pair of brake shoes each having; a shoe hold down pin that is swingably attached to the bucking plate at one end, has an intermediate portion inserted through the notch of the shoe web, and has a head at the other end; a first cup located on the head side and a second cup located on the shew web side, which are disposed between the head and the shew web with the shew hold down pins inserted therethrough; a shoe hold-down device having a coil spring interposed between the cups with a predetermined preload applied thereto, and supporting the brake shoe on the bucking plate in a state in which the brake shoes can be mutually expanded; In the drum brake, the second cup is inserted into the second cup so as to extend from the outer peripheral edge toward the backing plate and protrude a predetermined distance into the through hole, and is engaged with the through hole on the inner peripheral side of the shew web. An engaging pawl is provided at a protruding end of the engaging pawl to extend toward the outer circumferential side of the shew web, and at a position where the engaging pawl engages with the inner circumferential side of the shew web of the through hole. A shoe hold down device for a drum brake, characterized in that a contact portion is provided that can come into contact with a surface of the shoe web opposite to the side where the second cup is provided.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16869786U JPH032018Y2 (en) | 1986-10-31 | 1986-10-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16869786U JPH032018Y2 (en) | 1986-10-31 | 1986-10-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6374537U true JPS6374537U (en) | 1988-05-18 |
JPH032018Y2 JPH032018Y2 (en) | 1991-01-21 |
Family
ID=31101811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16869786U Expired JPH032018Y2 (en) | 1986-10-31 | 1986-10-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH032018Y2 (en) |
-
1986
- 1986-10-31 JP JP16869786U patent/JPH032018Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPH032018Y2 (en) | 1991-01-21 |