JP2004205025A - Tension spring - Google Patents
Tension spring Download PDFInfo
- Publication number
- JP2004205025A JP2004205025A JP2002383566A JP2002383566A JP2004205025A JP 2004205025 A JP2004205025 A JP 2004205025A JP 2002383566 A JP2002383566 A JP 2002383566A JP 2002383566 A JP2002383566 A JP 2002383566A JP 2004205025 A JP2004205025 A JP 2004205025A
- Authority
- JP
- Japan
- Prior art keywords
- hook
- spring
- tension spring
- grip
- coil
- 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
Images
Abstract
Description
【0001】
【発明の属する技術分野】
この発明は引張りバネのフックの取り付け方法に関するものである
【0002】
【従来の技術】
イ 従来引っ張りバネのフックと言えばコイルバネの端末を引き起こしてフックとしたものが大半であった
この場合引張力がかかると最大の応力はこのフックに生ずる為大きな引張力がかかり続けるとフックが疲労破壊する事があった
ロ そのほか取り付け金具を別に作って、ばねと組み合わせる方法もあるが従来までの方法では手間がかかりコストアップになるのであまり使用されていない
【0003】
【欠点を解決するための手段】
フックはバネとは別に強い素材で作りフックとバネのそれぞれの端末に把持部を作って両者を組み合わせ一体の引張りバネとする
【0004】
【発明の効果】
フックの疲労破壊を防止しバネのコストアップを少なくする
【図面の簡単な説明】
【図1】は バネとフック を別々に作り組み合わせる前の状態
【図2】は フック と バネを組み合わせたところ
【符号の説明】
1はバネ本体 2はコイル端末を曲げて作った把持部 3はバネとは別の素材で作ったフック 4はフック下部を折り返して曲げて作った把持部[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a method for attaching a hook of a tension spring.
[Prior art]
In the past, most of the tension spring hooks were hooks that raised the ends of the coil springs. In this case, if a tensile force was applied, the maximum stress would be applied to the hook, and if a large tensile force was applied, the hook would become fatigued. There is also a method of making a mounting bracket separately and combining it with a spring, but it has not been used much because the conventional method is troublesome and increases the cost.
[Means for solving the shortcomings]
The hook is made of a strong material separately from the spring, and a grip is formed at each end of the hook and the spring, and the two are combined to form an integral tension spring.
【The invention's effect】
Prevents fatigue fracture of hook and reduces spring cost [Brief description of drawings]
[Fig.1] shows the state before the spring and hook are made separately and combined. [Fig.2] shows the combination of the hook and spring.
1 is a
Claims (1)
ロ バネのコイル端末及びフックの下部端末を折り返して曲げ把持部を作る
ハ コイル端末の把持部はフックの根元と組み合わせる
ニ フック下部の端末の把持部はコイルと組み合わせる
以上のごとく構成された引張りバネB. Make a hook with a material different from that of the spring body, and b) Bend the coil end of the spring and the lower end of the hook to form a bent grip. C) The grip of the coil terminal is combined with the base of the hook. Is a tension spring constructed as described above combined with a coil
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002383566A JP2004205025A (en) | 2002-12-24 | 2002-12-24 | Tension spring |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002383566A JP2004205025A (en) | 2002-12-24 | 2002-12-24 | Tension spring |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2004205025A true JP2004205025A (en) | 2004-07-22 |
Family
ID=32818240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002383566A Pending JP2004205025A (en) | 2002-12-24 | 2002-12-24 | Tension spring |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2004205025A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8581157B2 (en) | 2009-06-19 | 2013-11-12 | Backer Ehp Inc. | Band heater systems and assembly methods |
US11187295B2 (en) | 2019-05-08 | 2021-11-30 | Sahara Co., Ltd. | Hook member and tension spring |
-
2002
- 2002-12-24 JP JP2002383566A patent/JP2004205025A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8581157B2 (en) | 2009-06-19 | 2013-11-12 | Backer Ehp Inc. | Band heater systems and assembly methods |
US9226342B2 (en) | 2009-06-19 | 2015-12-29 | Backer Ehp Inc. | Band heater systems and assembly methods |
US9801236B2 (en) | 2009-06-19 | 2017-10-24 | Backer Ehp Inc. | Band heater systems and assembly methods |
US11187295B2 (en) | 2019-05-08 | 2021-11-30 | Sahara Co., Ltd. | Hook member and tension spring |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Effective date: 20051118 Free format text: JAPANESE INTERMEDIATE CODE: A621 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20080227 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080311 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20080708 |