JPH05501068A - ear protector - Google Patents
ear protectorInfo
- Publication number
- JPH05501068A JPH05501068A JP50977090A JP50977090A JPH05501068A JP H05501068 A JPH05501068 A JP H05501068A JP 50977090 A JP50977090 A JP 50977090A JP 50977090 A JP50977090 A JP 50977090A JP H05501068 A JPH05501068 A JP H05501068A
- Authority
- JP
- Japan
- Prior art keywords
- ear
- partition wall
- pad
- shell
- ear protector
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/06—Protective devices for the ears
- A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Acoustics & Sound (AREA)
- Biophysics (AREA)
- Otolaryngology (AREA)
- Psychology (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Headphones And Earphones (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
【発明の詳細な説明】 イヤープロテクター 技術分野及び背景技術 本発明はイヤープロテクターに関し、特にイヤーパッド(耳掛は部分)と、二つ のイヤープロテクターを互いに結合するためのブラケットを取り付けたイヤーシ ェル(外側突出部分)とからなるイヤープロテクターに関する。従来既知のイヤ ープロテクターは合成材料からなる一つ以上の吸音層をイヤーパッドとイヤーシ ェルとの間に介在させている。[Detailed description of the invention] ear protector Technical field and background technology The present invention relates to an ear protector, and in particular to an ear pad (the ear hook is a part) and two ear protectors. ear shields with brackets for joining the ear protectors together. This invention relates to an ear protector consisting of a well (outward protruding part). Conventionally known ear -Protectors include one or more sound-absorbing layers made of synthetic material between ear pads and ear shields. It is interposed between the cell and the cell.
本発明はこの従来既知のイヤープロテクターの改良を目的とするものである。The present invention aims at improving this hitherto known ear protector.
発明の開示 この趣意により、本発明によるイヤープロテクターは、イヤーパッドとイヤーシ ェルとの間に隔壁(ダイアフラム)を設け、さらに隔壁を挟む両側に少なくとも 一つの挿入層を設けた構成を有している。Disclosure of invention To this effect, the ear protector according to the invention comprises an ear pad and an ear shield. A partition wall (diaphragm) is provided between the well and the It has a configuration in which one insertion layer is provided.
隔壁を林状とすることで外音からの耳の保護(遮音)効果が向上することになる 。By making the partition walls forest-like, the effect of protecting the ears from external sounds (sound insulation) will be improved. .
さらに、隔壁とイヤーシェルとを直接接触させない構造とすることで音の伝播を 低減することができる。Furthermore, the structure prevents direct contact between the bulkhead and the ear shell, reducing sound propagation. can be reduced.
既知の方法によりイヤーパッドを軟質ゴム等を用いて製造した場合、イヤーパッ ドの外側部に内方向に突出したリム(門枠)を設け、リムの一方の側壁によりイ ヤーシェルの縁部を支持し、さらにリムの他方の側壁により隔壁の縁部を支持し た構成とすることができる。If the ear pads are manufactured using soft rubber etc. by a known method, the ear pads A rim (gate frame) that protrudes inward is provided on the outside of the door, and one side wall of the rim Support the edge of the yah shell and further support the edge of the bulkhead by the other side wall of the rim. It is possible to have a different configuration.
本発明では、イヤーパッドの外周壁に一つ以上の溝を設け、これらの溝のうちの 一つに隔壁の周縁部を係合した構成とすることができる。この構成により、最大 の吸音効果を与える弾力的なサスペンションを得ることができる。In the present invention, one or more grooves are provided on the outer peripheral wall of the ear pad, and one or more grooves are formed on the outer peripheral wall of the ear pad. A configuration may be adopted in which the peripheral edge of the partition wall is engaged with one of the partition walls. This configuration allows up to It is possible to obtain a resilient suspension that provides a sound absorption effect.
さらに、隔壁の林状部分の内側に対して外側に広がる膨出部分に先細り状のスラ イド式もしくはロック式の突出部材を設ける場合には、イヤーパッドを押すこと でイヤーパッドを空気抜きできる。また、こうした構成を採用することによって 、線接触のみとなるから吸音層を容易に林状部分に挿入することができ、しかも 突出部材の先細り構造によって、上述した挿入層を簡単な方法で取り付け、すな わち固定することが可能となる。さらに、挿入層として吸湿性の材料を用いれば 、イヤープロテクターの装着感がより向上できる。In addition, a tapered slat is formed on the bulge that expands outward from the inside of the forest-like part of the partition wall. If an ear pad or lock type protruding member is provided, press the ear pad. You can let the air out of the ear pads. Also, by adopting this configuration, , since there is only a line contact, the sound absorbing layer can be easily inserted into the forested part, and The tapered structure of the protruding member allows the above-mentioned insert layer to be attached in a simple manner, e.g. In other words, it becomes possible to fix it. Furthermore, if a hygroscopic material is used as the insertion layer, , the feeling of wearing the ear protector can be further improved.
また隔壁並びにイヤーパッドのリム部は、吸音材を充填するための完全密閉空晶 を形成するようにできる。In addition, the partition walls and the rims of the ear pads are completely sealed with hollow crystals filled with sound absorbing material. can be made to form.
さらに本発明では、イヤーパッドには隔壁の凹部と同一方向に凹部を形成するこ とができる。Furthermore, in the present invention, the ear pad has a recess formed in the same direction as the recess of the partition wall. I can do it.
さらにそのイヤーパッドの凹部には開口をが形成することができる。また、イヤ ーパッドの凹部開口を挟む両側には吸音挿入層を設けることができる。 □ 上述した挿入層の各々はそれらの半径万両の収容空間に完全に収容される程度の 寸法に設定されている。Furthermore, an opening can be formed in the recessed portion of the ear pad. Also, I don't like it. - A sound absorbing insertion layer can be provided on both sides of the recess opening of the pad. □ Each of the above-mentioned insertion layers has enough space to be completely accommodated in their 10,000-ryo radius accommodation space. The dimensions are set.
に類似する硬賀プラスチックによ゛り形成され、さらに隔壁はポリス泰しンもし くはそれに類似するプラスチックにより形成されてt)る。The bulkhead is made of hard plastic similar to or made of a similar plastic.
イヤーパッドは最終的に例えば射出成形により製造することが可能であり、また 上述したように弾性のプラスチック等を用いて形成することが可能である。The ear pads can finally be produced, for example by injection molding, or As mentioned above, it can be formed using elastic plastic or the like.
また、挿入層は最終的には発泡ポリエステル(ポリエステルフオーム)もしくは それに類似する防音プラスチックから形成されていてもよい。ポリエステルには 湿度を適切に調節する機能があり、従って着用者に最高の装着感を与えることが できる。In addition, the insertion layer is ultimately made of foamed polyester (polyester foam) or It may also be made from a similar sound-insulating plastic. For polyester It has the ability to properly regulate humidity, thus providing the wearer with the best wearing comfort. can.
図面の簡単な説明 図1は本発明のイヤープロテクターの第一の実施例の断面面であり、図2は本発 明のイヤープロテクターの第二の実施例の断面図である。Brief description of the drawing FIG. 1 is a cross-sectional view of the first embodiment of the ear protector of the present invention, and FIG. FIG. 3 is a cross-sectional view of a second embodiment of a bright ear protector.
発明を実施するための最良の形態 本発明をさらに詳細に説明するために、橘付図面を参照して本発明のイヤープロ テクターの2つの実施例について述べる。BEST MODE FOR CARRYING OUT THE INVENTION In order to explain the present invention in further detail, please refer to the attached drawings. Two embodiments of Tector will be described.
図1は本発明のイヤープロテクターの一実施例の断面図である。FIG. 1 is a sectional view of one embodiment of the ear protector of the present invention.
また、図2は本発明のイヤープロテクターの他の実施例の図1と同様の断面図で ある。Moreover, FIG. 2 is a sectional view similar to FIG. 1 of another embodiment of the ear protector of the present invention. be.
図より、pvc、ポリプロピレン等からなるイヤーシェル1には例えばゴムから なるイヤーパッド2が取り付けられている。イヤーシェル1とイヤーパッド2と の間には例えばポリスチレンからなる隔壁(ダイアフラム)3が設けられている 。これらの部材に隣接して各々発泡ポリエステルからなる挿入層4.5.6が設 けられている。また、装着状態で密閉状態となり、その外壁面が着用者の頭蝉支 持される空洞部7には、例えば発泡ポリエステルからなる吸音材8が充填されて いる。From the figure, the ear shell 1 made of PVC, polypropylene, etc. is made of rubber, for example. Ear pads 2 are attached. Ear shell 1 and ear pad 2 A partition wall (diaphragm) 3 made of polystyrene, for example, is provided between them. . Adjacent to these members, insert layers 4.5.6 each made of foamed polyester are provided. I'm being kicked. In addition, it becomes a sealed state when worn, and the outer wall surface is attached to the wearer's head. The hollow portion 7 held is filled with a sound absorbing material 8 made of foamed polyester, for example. There is.
図で示されているように、隔!!3の外縁部はイヤーパッド9の内方向に突出す るリムc門枠)9により支持されており、さらに隔壁3の林状部分の最内縁部は イヤーバッド9の外方向に突出するリム10により支持されている。従って、密 閉空洞部7にはポリエステル充填材8が内包されてはいるが、必要であれば充填 材を取り替えることができるように設計されている。さらに図で示されているよ うに、イヤーシェル1とブラケット15とは単純な方法1例えばネジ11、ナツ ト12、ワッシャ13及びスペーサ14を用いた取り付けにより連結されている 。そのほか、例えばつめ止め(クリックフィツト)もしくはスナップ連結により 連結を行うことができる。As shown in the diagram, the interval! ! The outer edge of 3 projects inward of the ear pad 9. The innermost edge of the forest-like part of the bulkhead 3 is It is supported by an outwardly projecting rim 10 of the earbud 9. Therefore, densely A polyester filler 8 is included in the closed cavity 7, but it can be filled if necessary. Designed so that materials can be replaced. It is further shown in the figure The ear shell 1 and the bracket 15 can be assembled using a simple method 1, such as screws 11 and nuts. They are connected by mounting using bolts 12, washers 13, and spacers 14. . In addition, for example by click fit or snap connection. Concatenation can be done.
図2において、図1と同一の部材には同一の参照番号を付している。図1と図2 の実施例の本質的な相違点は、隔壁3が幾分具なっていること、すなわち図1の 林状部分が図2の実施例では段付き構造になっていることと、挿入層5が最も内 部の箇所に配置されたことである。このように設置位置が移った挿入層に対して 外側には、複数個の先細り状のガイドリブ20が設けられている。これらのガイ ドリブ20はイヤーパッドによる”呼吸”を確保するために設けられたものであ る。リブ20はまた挿入層の迅速な挿入を可能にするものであり、さらに挿入さ れた挿入層は先細り構造の突出部材20により保持されることになる。さらに、 隔!3の外周部は厚いリム21からなり、これにより隔壁がイヤーシェル1の対 応する溝22内に容易にしかも適切に固定されることが可能となっている。In FIG. 2, the same members as in FIG. 1 are given the same reference numbers. Figures 1 and 2 The essential difference between the embodiments of FIG. The forest-like part has a stepped structure in the embodiment shown in FIG. It was placed in the section of the For the insertion layer whose installation position has changed in this way A plurality of tapered guide ribs 20 are provided on the outside. these guys The drib 20 is provided to ensure "breathing" through the ear pads. Ru. The ribs 20 also allow for rapid insertion of the insert layer and further The inserted insertion layer is held by the protruding member 20 having a tapered structure. moreover, Separation! The outer periphery of the ear shell 3 consists of a thick rim 21, which allows the partition wall to connect with the ear shell 1. It can be easily and appropriately fixed in the corresponding groove 22.
図1で示される実施例の変形として、ネジ締めによる連結(11,12,13) の代わりに、ブラケット15に取り付けられたビン24を受け入れるための開口 部を形成する複数個のラグ23からなるイヤーシェルを用いて、スナップ連結を 行ってもよい。これにより只 迅速な取り付け、取り外し操作を可能とする単純 連結が可能となる。As a modification of the embodiment shown in FIG. 1, screw connections (11, 12, 13) an opening for receiving a bin 24 attached to the bracket 15 instead of A snap connection is made using an ear shell consisting of a plurality of lugs 23 forming a You may go. This allows for simple installation and removal operations. Connection becomes possible.
本発明においては、当業者において容易に考え出すことの可能な変形が本発明の 趣旨を逸脱しない限りで可能であることは言うまでもない。また、林状隔壁の形 状並びにその深さを変えることで吸音(遮音)効果を変えることが可能である。Modifications of the present invention that can be easily devised by those skilled in the art are contemplated. It goes without saying that this is possible as long as it does not deviate from the purpose. In addition, the shape of the forest-like septum By changing the shape and depth, it is possible to change the sound absorption (sound insulation) effect.
FI6.1 補正書の翻訳文提出書 (特許法第184条の7第1項)平成3年12月12日FI6.1 Submission of translation of written amendment (Article 184-7, Paragraph 1 of the Patent Act) December 12, 1991
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8901482A NL8901482A (en) | 1989-06-12 | 1989-06-12 | HEARING PROTECTOR. |
NL8901482 | 1989-06-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH05501068A true JPH05501068A (en) | 1993-03-04 |
Family
ID=19854817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50977090A Pending JPH05501068A (en) | 1989-06-12 | 1990-06-11 | ear protector |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0477260A1 (en) |
JP (1) | JPH05501068A (en) |
CA (1) | CA2059285A1 (en) |
NL (1) | NL8901482A (en) |
WO (1) | WO1990015584A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9980855B2 (en) | 2004-11-17 | 2018-05-29 | Honeywell Safety Products Usa, Inc. | Consistent blocking earmuff |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE500417C2 (en) * | 1990-11-02 | 1994-06-20 | Peltor Ab | Ear cover for ear protectors or headphones |
SE511890C2 (en) * | 1993-02-10 | 1999-12-13 | Dalloz Safety Ab | Ear protector with increased sound attenuation |
EP1706082A1 (en) * | 2004-01-23 | 2006-10-04 | Cabot Safety Intermediate Corporation | High attenuating earmuff device |
DE102005021451B4 (en) * | 2005-05-10 | 2012-02-02 | Schuberth Helme Gmbh | ear protection |
SE528428C2 (en) * | 2006-01-24 | 2006-11-14 | Msa Sordin Ab | Ear cup for hearing protector or ear defenders has soft sealing material portion that bears against support surface of cup portion, with peripherally extending flange that is pressed against inner side of cup portion by clamping ring |
GB2445480B (en) * | 2008-01-17 | 2009-04-22 | Aerbuddies Ltd | An ear protection device |
US7717226B2 (en) | 2008-02-20 | 2010-05-18 | Kimberly-Clark Worldwide, Inc. | Hearing protection cap |
NZ739153A (en) * | 2015-07-06 | 2022-05-27 | Wikmanshyttan Safety Ab | A method for manufacturing a sealing ring, and a sealing ring |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB598030A (en) * | 1945-08-29 | 1948-02-09 | Hervic Nugent Grahame Cobbe | A sound-insulating device for use on the human head |
US2981958A (en) * | 1955-04-07 | 1961-05-02 | Clark Co Inc David | Ear protector |
SE389604B (en) * | 1973-12-21 | 1976-11-15 | Gullfiber Ab | COMFORT COLLAR FOR ORONKAPOR |
GB2113530A (en) * | 1982-01-28 | 1983-08-10 | Chapman And Smith Limited | Ear defender and diaphragm therefor |
US4437538A (en) * | 1982-03-30 | 1984-03-20 | Ingemar Ohlsson | Ear-cap |
-
1989
- 1989-06-12 NL NL8901482A patent/NL8901482A/en not_active Application Discontinuation
-
1990
- 1990-06-11 WO PCT/NL1990/000082 patent/WO1990015584A1/en not_active Application Discontinuation
- 1990-06-11 CA CA 2059285 patent/CA2059285A1/en not_active Abandoned
- 1990-06-11 EP EP19900909776 patent/EP0477260A1/en not_active Withdrawn
- 1990-06-11 JP JP50977090A patent/JPH05501068A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9980855B2 (en) | 2004-11-17 | 2018-05-29 | Honeywell Safety Products Usa, Inc. | Consistent blocking earmuff |
Also Published As
Publication number | Publication date |
---|---|
CA2059285A1 (en) | 1990-12-13 |
NL8901482A (en) | 1991-01-02 |
WO1990015584A1 (en) | 1990-12-27 |
EP0477260A1 (en) | 1992-04-01 |
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