CN106214339A - A kind of Manual adjustable wears dual-purpose earmuff after wearing - Google Patents
A kind of Manual adjustable wears dual-purpose earmuff after wearing Download PDFInfo
- Publication number
- CN106214339A CN106214339A CN201610834307.0A CN201610834307A CN106214339A CN 106214339 A CN106214339 A CN 106214339A CN 201610834307 A CN201610834307 A CN 201610834307A CN 106214339 A CN106214339 A CN 106214339A
- Authority
- CN
- China
- Prior art keywords
- earmuff
- guide groove
- limited block
- center
- 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
- 230000001105 regulatory effect Effects 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000010792 warming Methods 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 12
- 230000001012 protector Effects 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 239000004615 ingredient Substances 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 3
- 101001010782 Drosophila melanogaster Fez family zinc finger protein erm Proteins 0.000 description 40
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 240000006409 Acacia auriculiformis Species 0.000 description 1
- 208000010445 Chilblains Diseases 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
Abstract
The invention discloses after a kind of Manual adjustable is worn and wear dual-purpose earmuff, including U-bracket, left earmuff and right earcup；U-shaped guide groove is offered inside described U-bracket；Both ends horizontal direction, U-bracket left and right is respectively fixed with the first bulb plunger and the second bulb plunger；The bulb of the first bulb plunger and the second bulb plunger is positioned at U-shaped guide groove；The structure of left earmuff and right earcup is symmetrical；Left earmuff includes regulating connecting rod, connecting seat and earmuff body；The top of regulation connecting rod is plugged in U-shaped guide groove upper and lower part and is plugged on connection seat；Connect that seat is movable is arranged on earmuff body；Earmuff body has directivity, dividing before and after having；The earmuff of the present invention under wearing state can through be manually adjusted to wear or after wear, simple to operate；Each ingredient can dismantle separation one by one；And U-bracket can regulate with the relative distance of left earmuff and right earcup.
Description
Technical field
The present invention relates to life warming article technical field, be specifically related to wear dual-purpose ear after a kind of Manual adjustable is worn
Cover.
Background technology
In winter, during due to people's activity outside, cold air pole easily makes the ear of people catch a cold and ftracture, the longest
Chilblain；It is thus desirable to the upper ear muff of band is protected, existing earmuff is for warming general support middle with cotton material
Make, the pressure that ear muff is worn by middle support completely；Be usually set to wear-type or back-wear type, and length without
Method is adjusted；Cannot be carried out dismounting between the several parts of ear muff, be so not easy to maintenance and clean；In time can be in wear-type
With in back-wear type two status adjustment, it is also desirable to when earmuff is not worn, so regulation relatively inconvenience.
So arranging, reduce ear muff wears motility, virtually causes the waste of resource；It is also not susceptible to disappear simultaneously
Expense person chooses.
Summary of the invention
The present invention is directed to above-mentioned technical problem, it is provided that a kind of manually can regulate under wearing state wear after wear dual-purpose
Earmuff.
For reaching above-mentioned purpose, the invention provides after a kind of Manual adjustable is worn and wear dual-purpose earmuff, prop up including U-shaped
Frame, left earmuff and right earcup；U-shaped guide groove is offered inside described U-bracket；Both ends horizontal direction, U-bracket left and right is solid respectively
Surely there are the first bulb plunger and the second bulb plunger；The steel ball of the first bulb plunger and the second bulb plunger is positioned at U-shaped guide groove；
The structure of left earmuff and right earcup is symmetrical；Left earmuff includes regulating connecting rod, connecting seat, earmuff body and governor motion；
Square groove is offered on the external cylindrical surface on the top connecting seat；The center, right side connecting seat forms cylinder
Connecting portion；The center connecting seat left side offers unblock button hole；The bottom center of unblock button hole offers left and right and passes through
That wears slides hole；Slide and on the sidewall in hole, offer the limit guide groove that some left and right are run through；Limit guide groove is evenly distributed on and slides
The surrounding in hole and connecting with sliding hole；The left side of earmuff body offers the cross section regulating tank in the "convex" shaped lain on one's side；Adjust
Joint groove includes the transitional pore of the path in left side and the turning slot in the big footpath on right side；Offer criss-cross on the left side of turning slot
Stopper slot, center, right side offer spring resettlement groove；Center limited block includes the limited block of " one " font, centered cylinder and leads
Post；Limited block is fixed on the right side of centered cylinder；Guide pillar is fixed on the center, right side of limited block；The left end of centered cylinder
The external cylindrical surface in portion forms screw thread；Centered cylinder is positioned at the right positions of screw thread and forms some corresponding with limit guide groove
Limit guide rail；
The connecting portion connecting seat is articulated on the left side of earmuff body；Slide hole to connect with transitional pore；Slide hole and mistake
Cross hole internal diameter identical and coaxial；Uniformly offer some steel ball stopper slots on the upper left end face of regulation connecting rod, bottom is opened
It is provided with the first spacing hole that left and right is run through；Offer on the sidewall of the first spacing hole that first corresponding with limit guide groove is spacing leads
Groove；The top of the regulation connecting rod of left earmuff and right earcup is inserted in U-shaped guide groove and the first bulb plunger from U-shaped guide groove both sides
It is plugged in steel ball stopper slot with the steel ball of the second bulb plunger；The bottom of the regulation connecting rod of left earmuff and right earcup is plugged in
Connect in the square groove of seat；The limited block of center limited block is plugged in the stopper slot of turning slot；The center circle of center limited block
Post is plugged in and slides in hole and transitional pore and left end is beyond sliding hole；The left end of centered cylinder is bolted with unblock button；Unlock
Button is positioned at unblock button hole；The guide pillar of center limited block is plugged in spring resettlement groove；The right side of the guide pillar of center limited block
The second stage clip it is provided with between the bottom surface of end face and spring resettlement groove；One end of second stage clip is resisted against the guide pillar of center limited block
Right side on, the other end is resisted against on the bottom surface of spring resettlement groove；The limit guide rail of centered cylinder is slidably arranged in spacing leading
In groove and the first limit guide groove.
Preferred as technique scheme, earmuff body includes the transition part in left side, middle screw rod connecting portion and the right side
Warming piece of the sponge of side；Screw rod connecting portion is screwed onto on transition part；Warming piece of sponge is fixed on screw rod connecting portion；Sponge is warming
The ear's protector that can place ear is formed on block right side；Ear's protector has directivity, and main protection part is positioned at
The rear portion of ear's protector.
Preferred as technique scheme, U-bracket is the soft bar of silica gel, and regulation connecting rod is metal tie rods.
Preferred as technique scheme, the width of regulation connecting rod is identical with the width of U-shaped guide groove.
The beneficial effects of the present invention is: earmuff under wearing state can through be manually adjusted to wear or after wear,
Simple to operate；Each ingredient can dismantle separation one by one；And U-bracket is permissible with the relative distance of left earmuff and right earcup
Regulation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the section of the present invention；
Fig. 2 is the structural representation of the left view of the present invention；
Fig. 3 is the structural representation of the section view of the earmuff body 23 of the left earmuff of the present invention；
Fig. 4 is the structural representation of the partial enlargement of the regulation connecting rod 21 of the left earmuff of the present invention；
Fig. 5 is the structural representation of the left view connecting seat 22 of the present invention；
Fig. 6 is the structural representation of the vertical view of Fig. 5 of the present invention；
Fig. 7 is the structural representation of the partial enlargement of Fig. 1 of the present invention；
Fig. 8 is the structural representation of the left view of the center limited block 222 of the present invention；
In figure, 10, U-bracket；11, U-shaped guide groove；12, the first bulb plunger；13, the second bulb plunger；20, left earmuff；
21, regulation connecting rod；210, the first spacing hole；211, steel ball stopper slot；22, seat is connected；220, square groove；2200, hole is slided；
2201, button hole is unlocked；2202, limit guide groove；2203, connecting portion；221, button is unlocked；222, center limited block；2221, limit
Position block；2222, centered cylinder；2223, limit guide rail；2224, guide pillar；223, the second stage clip；23, earmuff body；231, sponge
Warming piece, 232, screw rod connecting portion；233, transition part；2330, turning slot；2331, stopper slot；2332, transitional pore；30, auris dextra
Cover.
Detailed description of the invention
As shown in Fig. 1～Fig. 8, a kind of Manual adjustable wears dual-purpose earmuff, including U-bracket 10, left earmuff 20 after wearing
With right earcup 30；Described U-bracket 10 is internal offers U-shaped guide groove 11；U-bracket about 10 both ends horizontal direction is fixed respectively
There is the first bulb plunger 12 and the second bulb plunger 13；The steel ball of the first bulb plunger 12 and the second bulb plunger 13 is positioned at U-shaped
In guide groove 11；The structure of left earmuff 20 and right earcup 30 is symmetrical；Left earmuff 20 include regulate connecting rod 21, connect seat 22,
Earmuff body 23 and governor motion 24；
As shown in Fig. 1～Fig. 8, the external cylindrical surface on the top connecting seat 22 offers square groove 220；Connect the right side of seat 22
End face center forms the connecting portion 2203 of cylinder；The center connecting seat 22 left side offers unblock button hole 2201；
Unlock button hole 2201 bottom center offer left and right run through slide hole 2200；Offer on the sidewall in hole 2200 if sliding
The limit guide groove 2202 that dry left and right is run through；Limit guide groove 2202 be evenly distributed on slide hole 2200 surrounding and with slide hole 2200
Connection；The left side of earmuff body 23 offers the cross section regulating tank in the "convex" shaped lain on one's side；Regulating tank includes the little of left side
The transitional pore 2332 in footpath and the turning slot 2330 in the big footpath on right side；Offer criss-cross spacing on the left side of turning slot 2330
Groove 2331, center, right side offer spring resettlement groove；Center limited block 222 includes the limited block 2221 of " one " font, center
Cylinder 2222 and guide pillar 2224；Limited block 2221 is fixed on the right side of centered cylinder 2222；Guide pillar 2224 is fixed on spacing
The center, right side of block 2221；The external cylindrical surface of the left part of centered cylinder 2222 forms screw thread；Centered cylinder 2222 is positioned at
The right positions of screw thread forms some limit guide rail 2223 corresponding with limit guide groove 2202；
As shown in Fig. 1～Fig. 8, the connecting portion 2203 connecting seat 22 is articulated on the left side of earmuff body 23；Slide hole
2200 connect with transitional pore 2332；Slide hole 2200 identical and coaxial with transitional pore 2332 internal diameter；Regulate the upper of connecting rod 21
Uniformly offer some steel ball stopper slots 211 on left side, portion, bottom offers the first spacing hole 210 that left and right is run through；First
First limit guide groove corresponding with limit guide groove 2202 is offered on the sidewall of spacing hole 210；Left earmuff 20 and right earcup 30
The top of regulation connecting rod 21 insert in U-shaped guide groove 11 from U-shaped guide groove 11 both sides and the first bulb plunger 12 and the second ball
The steel ball of headpin plug 13 is plugged in steel ball stopper slot 211；The bottom of the regulation connecting rod 21 of left earmuff 20 and right earcup 30 is inserted
It is located in the square groove 220 connecting seat 22；The limited block 2221 of center limited block 222 is plugged in the stopper slot of turning slot 2330
In 2331；The centered cylinder 2222 of center limited block 222 is plugged in and slides in hole 2200 and transitional pore 2332 and left end exceeds
Slide hole 2200；The left end of centered cylinder 2222 is bolted with unblock button 221；Unlock button 221 and be positioned at unblock button hole 2201
In；The guide pillar 2224 of center limited block 222 is plugged in spring resettlement groove；The right side of the guide pillar 2224 of center limited block 222
And between the bottom surface of spring resettlement groove, it is provided with the second stage clip 223；One end of second stage clip 223 is resisted against center limited block 222
Guide pillar 2224 right side on, the other end is resisted against on the bottom surface of spring resettlement groove；The limit guide rail of centered cylinder 2222
2223 are slidably arranged in limit guide groove 2202 and the first limit guide groove.
As it is shown in figure 1, earmuff body 23 includes the transition part 233 in left side, middle screw rod connecting portion 232 and the sea on right side
Continuous warming piece 231；Screw rod connecting portion 232 is screwed onto on transition part 233；Sponge is fixed on screw rod connecting portion 232 for warming piece 231
On；Sponge forms, on warming piece of 231 right sides, the ear's protector that can place ear；Ear's protector has directivity, main
Part is protected to be positioned at the rear portion of ear's protector.
U-bracket 10 is the soft bar of silica gel, and regulation connecting rod 21 is metal tie rods.
The width of regulation connecting rod 21 is identical with the width of U-shaped guide groove 11.
Earmuff wear or after wear control method:
Because ear's protector has directivity, main protection part is positioned at the rear portion of ear's protector；
When earmuff is in wearing state: when wearing, limited block 2221 is positioned at the vertical portion of stopper slot 2331, wears after needs
Time, it is only necessary to the hands thumb inwardly pins the unblock button 221 of both sides, makes limited block 2221 depart from the perpendicular of stopper slot 2331
Straight portion, then remaining finger of both hands stirs 90-degree rotation backward U-bracket 10, then decontrols and unlocks button 221, the second stage clip
The effect of 223 makes limited block 2221 enter the horizontal part of stopper slot 2331；Then U-bracket 10 inwardly by just regulating U
Shape support 10 and left earmuff 20 and the relative distance of right earcup 30.
If needing each ingredient to dismantle separation one by one: only left earmuff 20 and right earcup 30 need to be exerted oneself to prop up from U-shaped
Frame 10 is extracted, backs out from the left end of center limited block 222 unlocking button 221 the most again, in the connection of such earmuff body 23
Heart limited block 222 takes out from connecting seat 22, and then regulation connecting rod 21 just can be extracted from the square groove 220 connecting seat 22；?
Rear screw rod connecting portion 232 and sponge rotate from transition part 233 and go out for warming piece 231, and the most each ingredient is dismantled the most one by one
Separate.
Above content is only the better embodiment of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, the most all will change, this specification content should not be construed as this
Bright restriction.
Claims (4)
1. wear a dual-purpose earmuff after Manual adjustable is worn, including U-bracket (10), left earmuff (20) and right earcup (30)；
Described U-bracket (10) is internal offers U-shaped guide groove (11)；Both ends horizontal direction, U-bracket (10) left and right is respectively fixed with
One bulb plunger (12) and the second bulb plunger (13)；The steel ball of the first bulb plunger (12) and the second bulb plunger (13) is positioned at
In U-shaped guide groove (11)；It is characterized in that: the structure of left earmuff (20) and right earcup (30) is symmetrical；Left earmuff (20) includes
Regulation connecting rod (21), connection seat (22), earmuff body (23) and governor motion (24)；
Square groove (220) is offered on the external cylindrical surface on the top connecting seat (22)；Connect center, the right side molding of seat (22)
There is the connecting portion (2203) of cylinder；The center connecting seat (22) left side offers unblock button hole (2201)；Unblock is pressed
The bottom center of buttonhole (2201) offer left and right run through slide hole (2200)；Slide hole (2200) if sidewall on offer
The limit guide groove (2202) that dry left and right is run through；Limit guide groove (2202) be evenly distributed on slide hole (2200) surrounding and with slide
Hole (2200) connects；The left side of earmuff body (23) offers the cross section regulating tank in the "convex" shaped lain on one's side；Regulating tank bag
Include the transitional pore (2332) of the path in left side and the turning slot (2330) in the big footpath on right side；Open on the left side of turning slot (2330)
Be provided with criss-cross stopper slot (2331), center, right side offers spring resettlement groove；Center limited block (222) includes " one " word
The limited block (2221) of shape, centered cylinder (2222) and guide pillar (2224)；Limited block (2221) is fixed on centered cylinder (2222)
Right side on；Guide pillar (2224) is fixed on the center, right side of limited block (2221)；The left part of centered cylinder (2222)
External cylindrical surface forms screw thread；Centered cylinder (2222) is positioned at the right positions of screw thread and forms some and limit guide groove (2202)
Corresponding limit guide rail (2223)；
The connecting portion (2203) connecting seat (22) is articulated on the left side of earmuff body (23)；Slide hole (2200) and transitional pore
(2332) connection；Slide hole (2200) identical and coaxial with transitional pore (2332) internal diameter；The top of regulation connecting rod (21) is left
Uniformly offer some steel ball stopper slots (211) on end face, bottom offers the first spacing hole (210) that left and right is run through；First
First limit guide groove corresponding with limit guide groove (2202) is offered on the sidewall of spacing hole (210)；Left earmuff (20) and the right side
The top of the regulation connecting rod (21) of earmuff (30) is inserted in U-shaped guide groove (11) and the first bulb from U-shaped guide groove (11) both sides
The steel ball of plunger (12) and the second bulb plunger (13) is plugged in steel ball stopper slot (211)；Left earmuff (20) and right earcup
(30) bottom of regulation connecting rod (21) is plugged in the square groove (220) connecting seat (22)；The limit of center limited block (222)
Position block (2221) is plugged in the stopper slot (2331) of turning slot (2330)；The centered cylinder (2222) of center limited block (222)
It is plugged in and slides in hole (2200) and transitional pore (2332) and left end is beyond sliding hole (2200)；A left side for centered cylinder (2222)
End is bolted with unblock button (221)；Unlock button (221) and be positioned at unblock button hole (2201)；Leading of center limited block (222)
Post (2224) is plugged in spring resettlement groove；The right side of the guide pillar (2224) of center limited block (222) and spring resettlement groove
The second stage clip (223) it is provided with between bottom surface；One end of second stage clip (223) is resisted against the guide pillar of center limited block (222)
(2224) on right side, the other end is resisted against on the bottom surface of spring resettlement groove；The limit guide rail of centered cylinder (2222)
(2223) it is slidably arranged in limit guide groove (2202) and the first limit guide groove.
A kind of Manual adjustable the most according to claim 1 wears dual-purpose earmuff after wearing, it is characterised in that: earmuff body
(23) transition part (233) in left side, middle screw rod connecting portion (232) and warming piece of the sponge (231) on right side are included；Screw rod is even
Meet portion (232) to be screwed onto on transition part (233)；Warming piece of sponge (231) is fixed on screw rod connecting portion (232)；Sponge is warming
The ear's protector that can place ear is formed on block (231) right side.
A kind of Manual adjustable the most according to claim 1 wears dual-purpose earmuff after wearing, it is characterised in that: U-bracket
(10) being the soft bar of silica gel, regulation connecting rod (21) is metal tie rods.
A kind of Manual adjustable the most according to claim 1 wears dual-purpose earmuff after wearing, it is characterised in that: regulation connecting rod
(21) width is identical with the width of U-shaped guide groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610834307.0A CN106214339B (en) | 2016-09-20 | 2016-09-20 | A kind of Manual adjustable wears dual-purpose earmuff after wearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610834307.0A CN106214339B (en) | 2016-09-20 | 2016-09-20 | A kind of Manual adjustable wears dual-purpose earmuff after wearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106214339A true CN106214339A (en) | 2016-12-14 |
| CN106214339B CN106214339B (en) | 2018-06-19 |
Family
ID=58076130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610834307.0A Expired - Fee Related CN106214339B (en) | 2016-09-20 | 2016-09-20 | A kind of Manual adjustable wears dual-purpose earmuff after wearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106214339B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1347824A (en) * | 1971-06-21 | 1974-02-27 | Exel Oy | Hearing protector |
| DE3332294A1 (en) * | 1982-09-15 | 1984-03-15 | Minisonic AG, 6300 Zug | HEADPHONE-LIKE HEARING PROTECTION DEVICE |
| CN2098910U (en) * | 1990-08-14 | 1992-03-18 | 艾琳·刘 | Protective device for ears |
| WO2006047668A2 (en) * | 2004-10-26 | 2006-05-04 | Logitech Europe S.A. | Ergonomic behind-the-head personal audio set and method of manufacturing same |
| US20070113320A1 (en) * | 2003-02-07 | 2007-05-24 | Saffran Michael D | Earmuff having anatomically correct ear cups |
| CN101395959A (en) * | 2006-03-08 | 2009-03-25 | 罗技欧洲公司 | Behind-the-head mounted personal audio set with adjustable earphone position |
| CN101744386A (en) * | 2008-12-17 | 2010-06-23 | 声腾企业有限公司 | Ear cover structure |
| CN102232888A (en) * | 2010-04-21 | 2011-11-09 | 声腾企业有限公司 | Ear muff structure |
| CN102281842A (en) * | 2008-08-25 | 2011-12-14 | L&C安全有限公司 | Ear muff style car protector devices |
| US20150041243A1 (en) * | 2013-08-09 | 2015-02-12 | Larry D. Ratliff | Cap hearing protection system |
| CN205083782U (en) * | 2015-09-29 | 2016-03-16 | 苏州天裁纺织工艺品有限公司 | Novel adjustable ear muff |
| CN206543236U (en) * | 2016-09-20 | 2017-10-10 | 湖州优创科技有限公司 | A kind of Manual adjustable wears dual-purpose earmuff after wearing |
-
2016
- 2016-09-20 CN CN201610834307.0A patent/CN106214339B/en not_active Expired - Fee Related
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1347824A (en) * | 1971-06-21 | 1974-02-27 | Exel Oy | Hearing protector |
| DE3332294A1 (en) * | 1982-09-15 | 1984-03-15 | Minisonic AG, 6300 Zug | HEADPHONE-LIKE HEARING PROTECTION DEVICE |
| CN2098910U (en) * | 1990-08-14 | 1992-03-18 | 艾琳·刘 | Protective device for ears |
| US20070113320A1 (en) * | 2003-02-07 | 2007-05-24 | Saffran Michael D | Earmuff having anatomically correct ear cups |
| WO2006047668A2 (en) * | 2004-10-26 | 2006-05-04 | Logitech Europe S.A. | Ergonomic behind-the-head personal audio set and method of manufacturing same |
| CN101395959A (en) * | 2006-03-08 | 2009-03-25 | 罗技欧洲公司 | Behind-the-head mounted personal audio set with adjustable earphone position |
| CN102281842A (en) * | 2008-08-25 | 2011-12-14 | L&C安全有限公司 | Ear muff style car protector devices |
| CN101744386A (en) * | 2008-12-17 | 2010-06-23 | 声腾企业有限公司 | Ear cover structure |
| CN102232888A (en) * | 2010-04-21 | 2011-11-09 | 声腾企业有限公司 | Ear muff structure |
| US20150041243A1 (en) * | 2013-08-09 | 2015-02-12 | Larry D. Ratliff | Cap hearing protection system |
| CN205083782U (en) * | 2015-09-29 | 2016-03-16 | 苏州天裁纺织工艺品有限公司 | Novel adjustable ear muff |
| CN206543236U (en) * | 2016-09-20 | 2017-10-10 | 湖州优创科技有限公司 | A kind of Manual adjustable wears dual-purpose earmuff after wearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106214339B (en) | 2018-06-19 |
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