CN103707835A - Novel emergency escape device - Google Patents

Novel emergency escape device Download PDF

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Publication number
CN103707835A
CN103707835A CN201410006440.8A CN201410006440A CN103707835A CN 103707835 A CN103707835 A CN 103707835A CN 201410006440 A CN201410006440 A CN 201410006440A CN 103707835 A CN103707835 A CN 103707835A
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CN
China
Prior art keywords
gland
base plate
guidepost
protecting cover
hole
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Pending
Application number
CN201410006440.8A
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Chinese (zh)
Inventor
石明
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Individual
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Individual
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Priority to CN201410006440.8A priority Critical patent/CN103707835A/en
Publication of CN103707835A publication Critical patent/CN103707835A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a novel emergency escape device. The novel emergency escape device comprises a gland, a bottom plate and a crush needle, wherein the bottom plate can be fixedly arranged on glass, and the crushing needle is fixedly arranged on the gland. An elastic soft body is arranged between the gland and the bottom plate, the bottom plate supports the gland through the elastic soft body, a through hole for the crushing needle to penetrate through to crush the glass is formed in the bottom plate, a cavity is defined by the gland, the elastic soft body and the bottom plate in an enclosing mode, the crushing needle is arranged in the cavity and aligns the through hole, a first ventilating hole for ventilating air in the cavity is formed in the gland and/or the elastic soft body and/or the bottom plate, a limiting mechanism for limiting separation of the gland and the bottom plate is arranged between the gland and the bottom plate, after the gland and the bottom plate are assembled, the phenomenon that the gland is easily separated from the bottom plate before use and in use is avoided, and even if the gland is stricken, the gland is also not easily separated from the bottom plate, so that safety is high.

Description

A kind of Novel emergency escape apparatus
Technical field
The present invention relates to a kind of emergency escaping device, especially on a kind of glass port that is installed on various vehicles such as bus, bus, school bus, private car etc., or be installed on other on the glass port in emergency escape place, be used in case of emergency quick shattered glass, realize the in case of emergency Novel emergency escape apparatus of fast-escape.
Background technology
The life-saving hammer for emergency escape shattered glass used of market in getting on the car, in urgent, the few can expect using, even when in use, because head is not very sharp-pointed, often will pound many times could be successful, sometimes all cannot pound cullet escape.
For the problems referred to above, the applicant has proposed in 2013.07.29 the utility application that name is called " a kind of emergency escaping device ", referring to Chinese utility model patent specification sheets CN203358519U disclosed " a kind of emergency escaping device ", it comprises gland, can be fixedly installed in base plate on glass and be fixedly installed in the pin that smashes on gland, between gland and base plate, elastic soft is set, gland is supported on base plate by elastic soft, base plate is provided with for smashing pin and passes the through hole with shattered glass, gland, elastic soft and base plate surround a cavity jointly, smashing pin is located in cavity and aligned through holes, gland and/or elastic soft and/or base plate are provided with the first breather hole for Bas Discharged in cavity, gland, the outside mask of elastic soft and base plate is provided with a protecting cover, during use, take protecting cover away, then impacting gland can realize and puncture glass, this emergency escaping device avoids recoil to hinder, reduce the loss of impulsive force, can puncture fast glass, realize in case of emergency fast-escape.But still there are the following problems for this emergency escaping device: after (1) gland and base plate assembling, while using front or use, gland is easily separated with base plate, especially how much to impact after gland, and gland easily comes off, and uses dangerous; (2) the high and processing difficulties of productive costs; (3), because protecting cover seals coated gland, elastic soft and base plate completely, the very large pressure difference of the inside and outside generation of protecting cover, is difficult to take away protecting cover during use, in addition, take away in protecting cover process and be easy to transfer to together with gland, and whole escape apparatus cannot be used.
Summary of the invention
The object of the present invention is to provide the not segregative Novel emergency escape apparatus of a kind of gland and base plate, it is safe.
Above-mentioned purpose is achieved by the following technical solution:
A kind of Novel emergency escape apparatus, comprise gland, can be fixedly installed in base plate on glass and be fixedly installed in the pin that smashes on gland, between gland and base plate, elastic soft is set, gland is supported on base plate by elastic soft, base plate is provided with for smashing pin and passes the through hole with shattered glass, gland, elastic soft and base plate surround a cavity jointly, smashing pin is located in cavity and aligned through holes, gland and/or elastic soft and/or base plate are provided with the first breather hole for Bas Discharged in cavity, it is characterized in that: between this gland and base plate, be provided with place restrictions on gland separated with base plate place restrictions on mechanism.
Above technical scheme can be further improved by following measures:
On this base plate, convex with the lower guidepost extending to gland one day, through hole runs through this lower guidepost; On this gland, convex with the upper guidepost extending to base plate one day, smash the lower end that pin is arranged on guidepost; Insert in the through hole of lower guidepost the lower end of upper guidepost, and upper guidepost is in the guiding lower slider of through hole; The groove of placing restrictions on that mechanism comprises on the hole wall of being located at through hole and extending along the axis direction of through hole, be located at the lower protruding button in groove and be located at the epirelief button that the protruding button in perisporium up and down of upper guidepost coordinates, insert after the through hole of lower guidepost the lower end of upper guidepost, epirelief button embeds in groove, and epirelief button is positioned at the below of lower protruding button all the time.
On this, the lower end of guidepost is provided with one for the mounting hole that smashes pin insertion, the lower end of upper guidepost be provided with two from its perisporium extend to jack breach and by the lower end of guidepost be divided into two intermediate plates, smash pin and comprise cylindric needle body and taper tip, the cylindric needle body that smashes pin inserts in mounting hole and fixes, and the taper tip that smashes pin is outwardly.
On this, between guidepost and the lower surface of gland, be provided with some reinforced ribs, some reinforced ribs are circumference in equal parts distribution along the axis of upper guidepost.
This gland is provided with annular groove, and the notch of upper annular groove is towards base plate; Base plate is provided with lower annular groove, and the notch of lower annular groove is towards gland; It is cylinder-shaped that elastic soft is, and insert in upper annular groove the upper end of elastic soft, and insert in lower annular groove the lower end of elastic soft.
The outside mask of this gland, elastic soft and base plate is provided with a protecting cover, protecting cover comprises protecting cover roof and protecting cover perisporium, and the upper end of protecting cover perisporium is connected with protecting cover roof, and protecting cover roof is positioned at gland top, protecting cover perisporium surrounds gland, elastic soft and base plate, and protecting cover roof is provided with the second breather hole.
The outer peripheral edges of this protecting cover roof are protruded protecting cover perisporium.
The lower surface of this protecting cover roof is provided with the projection of some contacts on the upper surface of gland and makes to form gap between the lower surface of protecting cover roof and the upper surface of gland.
This lower guidepost is provided with some the ventilative gaps that extend to through hole from its perisporium.
This elastic soft is silicone band or sponge or foam; The first breather hole is located on base plate, and the first breather hole is located at the outer peripheral edges place of base plate; The lower surface of base plate is pasted with the double coated film that can be attached on glass surface.
Each technical measures can be selected a use above, and yet use capable of being combined, as long as do not form each other conflict.
The present invention compared with prior art tool has the following advantages:
(1) this Novel emergency escape apparatus between gland and base plate, be provided with place restrictions on gland separated with base plate place restrictions on mechanism, after gland and base plate assembling, gland and the segregative phenomenon of base plate while avoiding occurring using front or use, even how much impact after gland, gland is also difficult for departing from base plate, safe to use;
(2) on this base plate, convex with the lower guidepost extending to gland one day, through hole runs through this lower guidepost; On this gland, convex with the upper guidepost extending to base plate one day, smash the lower end that pin is arranged on guidepost; Insert in the through hole of lower guidepost the lower end of upper guidepost, and upper guidepost is in the guiding lower slider of through hole; The groove of placing restrictions on that mechanism comprises on the hole wall of being located at through hole and extending along the axis direction of through hole, be located at the lower protruding button in groove and be located at the epirelief button that the protruding button in perisporium up and down of upper guidepost coordinates, insert after the through hole of lower guidepost the lower end of upper guidepost, epirelief button embeds in groove, and epirelief button is positioned at the below of lower protruding button all the time, during use, impact after gland, elastic soft can make gland upwards reset, lower protruding button can stop that epirelief button makes gland and the base plate can be not separated, it is simple that this places restrictions on mechanism structure, reasonable in design, be convenient to processing and manufacturing;
(3) on this, the lower end of guidepost is provided with one for the mounting hole that smashes pin insertion, the lower end of upper guidepost be provided with two from its perisporium extend to jack breach and by the lower end of guidepost be divided into two intermediate plates, smash pin and comprise cylindric needle body and taper tip, the cylindric needle body that smashes pin inserts in mounting hole and fixes, the taper tip that smashes pin is outwardly, simplified design, with guidepost on plastics, metal is smashed to the cylindric needle body parcel of pin, more firm, and reduce greatly the productive costs that metal smashes pin, and smashing pin is more convenient for installing, simplified design,
(4) on this, between guidepost and the lower surface of gland, be provided with some reinforced ribs, some reinforced ribs are circumference in equal parts distribution along the axis of upper guidepost, reinforced rib can improve the firmness of product, prevents from installing the upper guidepost smash pin and cannot reuse because of unexpected stressed excessive wandering off;
(5) this gland is provided with annular groove, and the notch of upper annular groove is towards base plate; Base plate is provided with lower annular groove, and the notch of lower annular groove is towards gland; It is cylinder-shaped that elastic soft is, insert in upper annular groove the upper end of elastic soft, insert in lower annular groove the lower end of elastic soft, upper annular groove and lower annular groove grip elastic soft respectively, can just better elastic soft be fixed and is convenient to the installation of this elastic soft like this, and can in urgent use, not cause suddenly using;
(6) outside mask of this gland, elastic soft and base plate is provided with a protecting cover, protecting cover comprises protecting cover roof and protecting cover perisporium, the upper end of protecting cover perisporium is connected with protecting cover roof, and protecting cover roof is positioned at gland top, and protecting cover perisporium surrounds gland, elastic soft and base plate, protecting cover roof is provided with the second breather hole, the second breather hole is beneficial to when pulling open protecting cover, and the vacuum of protecting cover the inside is eliminated, and eliminates the inside and outside pressure difference of protecting cover, can not cause gland to be extracted because of vacuum, safety is higher by mistake;
(7) outer peripheral edges of this protecting cover roof are protruded protecting cover perisporium, are convenient to manually extract protecting cover;
(8) lower surface of this protecting cover roof is provided with the projection of some contacts on the upper surface of gland and makes to form between the lower surface of protecting cover roof and the upper surface of gland gap, projection is separated with the upper surface of gland by the lower surface of protecting cover roof, avoid, when extracting protecting cover, gland is taken out of, separating certain space, is also the convenient vacuum that discharges faster.
Accompanying drawing explanation
Fig. 1 and Fig. 2 are two different angles block diagrams of the present invention;
Fig. 3 and Fig. 4 are two different angles three-dimensional exploded views of the present invention;
Fig. 5 is the A portion partial enlarged drawing of Fig. 4;
Fig. 6 is birds-eye view of the present invention;
Fig. 7 is the B-B cutaway view of Fig. 6;
Fig. 8 is the C-C cutaway view of Fig. 7;
Fig. 9 is the D portion partial enlarged drawing of Fig. 8;
Figure 10 is the schematic perspective view of Fig. 8.
Reference numeral: annular groove on guidepost, 111 epirelief buttons, 12 mounting holes, 13 breach, 14 intermediate plates, 15 reinforced ribs, 16 on 1 gland, 11; 2 base plates, 21 through holes, 211 grooves, 212 times protruding buttons, 22 first breather holes, 23 times guideposts, 231 ventilative gaps, 24 times annular grooves; 3 smash pin; 4 elastic softs; The outer peripheral edges of 5 protecting covers, 51 protecting cover roofs, 511 protecting cover roofs, 52 protecting cover perisporiums, 53 second breather holes, 54 projections; 6 double coated films; K cavity.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
As shown in Figures 1 to 10, a kind of Novel emergency escape apparatus, comprise gland 1, can be fixedly installed in base plate on glass 2 and be fixedly installed in and smash pin 3 on gland 1, between gland 1 and base plate 2, elastic soft 4 is set, gland 1 is supported on base plate 2 by elastic soft 4, base plate 2 is provided with for smashing pin 3 and passes the through hole 21 with shattered glass, gland 1, elastic soft 4 and base plate 2 surround a cavity K jointly, smashing pin 3 is located in cavity K and aligned through holes 21, gland 1 and/or elastic soft 4 and/or base plate 2 are provided with the first breather hole 22 for Bas Discharged in cavity K, in the present embodiment, the first breather hole 22 is arranged on base plate 2.Gland 1 can be made by steel or rigid plastic, smashes the middle that pin 3 is fixedly mounted on gland 1, between this gland 1 and base plate 2, be provided with place restrictions on gland 1 separated with base plate 2 place restrictions on mechanism.
On this base plate 2, convex with the lower guidepost 23 extending to gland 1 one day, through hole 21 runs through this lower guidepost 23;
On this gland 1, convex with the upper guidepost 11 extending to base plate 2 one day, smash the lower end that pin 3 is arranged on guidepost 11;
Insert in the through hole 21 of lower guidepost the lower end of upper guidepost 11, and upper guidepost 11 is in the guiding lower slider of through hole 21; The periphery wall of upper guidepost and the hole wall of through hole are fitted and are made guidepost 11 in the guiding lower slider of through hole 21;
The groove 211 of placing restrictions on that mechanism comprises on the hole wall of being located at through hole 21 and extending along the axis direction of through hole, be located at the lower protruding button 212 in groove 211 and be located at the epirelief button 111 that the protruding button 212 in perisporium up and down of upper guidepost 11 coordinates, insert after the through hole 21 of lower guidepost the lower end of upper guidepost 11, epirelief button 111 embeds in groove 211, and epirelief button 111 is positioned at the below of lower protruding button 212 all the time.
The lower end of upper guidepost 11 is provided with one for the mounting hole 12 that smashes pin 3 insertions, the lower end of upper guidepost 11 be provided with two from its perisporium extend to jack 12 breach 13 and by the lower end of guidepost 11 be divided into two intermediate plates 14, smash pin 3 and comprise cylindric needle body and taper tip, the cylindric needle body that smashes pin 3 inserts in mounting hole 12 and fixes, and the taper tip that smashes pin 3 is outwardly.The degree of depth of breach 13 is less than or equals the degree of depth of mounting hole 12.
Between upper guidepost 11 and the lower surface of gland 1, be provided with some reinforced ribs 15, some reinforced ribs 15 are circumference in equal parts distribution along the axis of upper guidepost 11.
Gland 1 is provided with annular groove 16, and the notch of upper annular groove 16 is towards base plate 2; Base plate 2 is provided with lower annular groove 24, and the notch of lower annular groove 24 is towards gland 1; Elastic soft 4 is cylinder-shaped, and insert in upper annular groove 16 upper end of elastic soft 4, and insert in lower annular groove 24 lower end of elastic soft 4.Upper annular groove 16 arranges around upper guidepost 11; Lower annular groove 24 arranges around lower guidepost 23;
The outside mask of gland 1, elastic soft 4 and base plate 2 is provided with a protecting cover 5, protecting cover 5 comprises protecting cover roof 51 and protecting cover perisporium 52, the upper end of protecting cover perisporium 52 is connected with protecting cover roof 51, protecting cover roof 51 is positioned at gland 1 top, protecting cover perisporium 52 surrounds gland 1, elastic soft 4 and base plate 2, and protecting cover roof 51 is provided with the second breather hole 53.Load onto after protecting cover, protecting cover perisporium 52 closely cooperates with gland 1, and the lower end of protecting cover perisporium 52 presses on glass.
The outer peripheral edges 511 of protecting cover roof are protruded protecting cover perisporium 52.
The lower surface of protecting cover roof 51 is provided with the projection 54 of some contacts on the upper surface of gland 1 and makes to form gap between the lower surface of protecting cover roof 51 and the upper surface of gland 1.
This lower guidepost 23 is provided with some the ventilative gaps 231 that extend to through hole from its perisporium.Ventilative gap can be parallel to the axis direction setting of guidepost, and ventilative gap 23 has two, and two 231 times, ventilative gap guideposts 23 are divided into two flexure strips.
This elastic soft 4 is silicone band or sponge or foam; The first breather hole 22 is located on base plate 2, and the first breather hole 22 is located at the outer peripheral edges place of base plate; The lower surface of base plate 2 is pasted with the double coated film 6 that can be attached on glass surface.When elastic soft 4 is silicone band, it can be one side adhesive tape.Certainly, elastic soft also can adopt other materials to make.Double coated film 6 can be double-sided adhesive.
Install after this Novel escape device and glass, the most advanced and sophisticated distance to glass of taper that smashes pin 3 is at least 2mm.
The present invention can directly be installed on the glass port of various vehicles such as bus, bus, school bus, private car etc., or other is on the glass port in emergency escape place, during use, pull open protecting cover 5, with hand or other instrument, impact gland, allow and smash the broken glass of acupuncture, realize in case of emergency fast-escape.The present invention is cheap for manufacturing cost, simple to operate, can maximum range be that numerous clients use.When using, the design of hommization, improves escape chance greatly.

Claims (10)

1. a Novel emergency escape apparatus, comprise gland (1), can be fixedly installed in base plate on glass (2) and be fixedly installed in and smash pin (3) on gland (1), between gland (1) and base plate (2), elastic soft (4) is set, gland (1) is supported on base plate (2) by elastic soft (4), base plate (2) is provided with for smashing pin (3) and passes the through hole (21) with shattered glass, gland (1), elastic soft (4) and base plate (2) surround a cavity (K) jointly, smashing pin (3) is located in cavity (K) and aligned through holes (21), gland (1) and/or elastic soft (4) and/or base plate (2) are provided with the first breather hole (22) for the interior Bas Discharged of cavity (K), it is characterized in that: between this gland (1) and base plate (2), be provided with place restrictions on gland (1) separated with base plate (2) place restrictions on mechanism.
2. a kind of Novel emergency escape apparatus according to claim 1, is characterized in that:
On this base plate (2), convex with the lower guidepost (23) extending to gland (1) one day, through hole (21) runs through this lower guidepost (23);
On this gland (1), convex with the upper guidepost (11) extending to base plate (2) one day, smash the lower end that pin (3) is arranged on guidepost (11);
Insert in the through hole (21) of lower guidepost the lower end of upper guidepost (11), and upper guidepost (11) is in the guiding lower slider of through hole (21);
The groove (211) of placing restrictions on that mechanism comprises on the hole wall of being located at through hole (21) and extending along the axis direction of through hole, be located at the lower protruding button (212) in groove (211) and be located at the epirelief button (111) that the protruding buttons in perisporium up and down (212) of upper guidepost (11) coordinate, insert after the through hole (21) of lower guidepost the lower end of upper guidepost (11), epirelief button (111) embeds in groove (211), and epirelief button (111) is positioned at the below of lower protruding button (212) all the time.
3. a kind of Novel emergency escape apparatus according to claim 2, it is characterized in that: the lower end of upper guidepost (11) is provided with one for the mounting hole (12) that smashes pin (3) insertion, the lower end of upper guidepost (11) is provided with two and extends to the breach (13) of jack (12) and the lower end of guidepost (11) is divided into two intermediate plates (14) from its perisporium, smash pin (3) and comprise cylindric needle body and taper tip, the cylindric needle body that smashes pin (3) inserts in mounting hole (12) and fixes, and the taper tip that smashes pin (3) is outwardly.
4. a kind of Novel emergency escape apparatus according to claim 3, it is characterized in that: between upper guidepost (11) and the lower surface of gland (1), be provided with some reinforced ribs (15), some reinforced ribs (15) are circumference in equal parts distribution along the axis of upper guidepost (11).
5. according to a kind of Novel emergency escape apparatus described in claim 1 or 2 or 3 or 4, it is characterized in that: gland (1) is provided with annular groove (16), the notch of upper annular groove (16) is towards base plate (2); Base plate (2) is provided with lower annular groove (24), and the notch of lower annular groove (24) is towards gland (1); Elastic soft (4) is cylinder-shaped, and insert in upper annular groove (16) upper end of elastic soft (4), and insert in lower annular groove (24) lower end of elastic soft (4).
6. according to a kind of Novel emergency escape apparatus described in claim 1 or 2 or 3 or 4, it is characterized in that: the outside mask of gland (1), elastic soft (4) and base plate (2) is provided with a protecting cover (5), protecting cover (5) comprises protecting cover roof (51) and protecting cover perisporium (52), the upper end of protecting cover perisporium (52) is connected with protecting cover roof (51), protecting cover roof (51) is positioned at gland (1) top, protecting cover perisporium (52) surrounds gland (1), elastic soft (4) and base plate (2), and protecting cover roof (51) is provided with the second breather hole (53).
7. a kind of Novel emergency escape apparatus according to claim 6, is characterized in that: the outer peripheral edges of protecting cover roof (511) are protruded protecting cover perisporium (52).
8. a kind of Novel emergency escape apparatus according to claim 6, is characterized in that: the lower surface of protecting cover roof (51) is provided with the projection (54) of some contacts on the upper surface of gland (1) and makes to form gap between the lower surface of protecting cover roof (51) and the upper surface of gland (1).
9. according to a kind of Novel emergency escape apparatus described in claim 2 or 3 or 4, it is characterized in that: this lower guidepost (23) is provided with some the ventilative gaps (231) that extend to through hole from its perisporium.
10. according to a kind of Novel emergency escape apparatus described in claim 1 or 2 or 3 or 4, it is characterized in that: this elastic soft (4) is silicone band or sponge or foam; It is upper that the first breather hole (22) is located at base plate (2), and the first breather hole (22) is located at the outer peripheral edges place of base plate; The lower surface of base plate (2) is pasted with the double coated film (6) that can be attached on glass surface.
CN201410006440.8A 2014-01-07 2014-01-07 Novel emergency escape device Pending CN103707835A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410006440.8A CN103707835A (en) 2014-01-07 2014-01-07 Novel emergency escape device

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Application Number Priority Date Filing Date Title
CN201410006440.8A CN103707835A (en) 2014-01-07 2014-01-07 Novel emergency escape device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109421272A (en) * 2017-08-31 2019-03-05 三纬国际立体列印科技股份有限公司 The sprayer cleaning mechanism and sprayer cleaning method of 3D printing device
EP4140653A4 (en) * 2021-07-08 2023-12-27 Schaffengott Co.,Ltd. Glass breaking device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20017011U1 (en) * 2000-07-13 2001-01-25 Fladung Peter Device for attaching to a flashlight
KR20050053404A (en) * 2003-12-02 2005-06-08 기아자동차주식회사 Hammer for an emergency escape from a vehicle
CN201494397U (en) * 2009-07-06 2010-06-02 王建章 Fixed toughened glass breaking escape apparatus
CN201882027U (en) * 2010-11-26 2011-06-29 厦门志盛工贸有限公司 Glass smasher
CN202641596U (en) * 2012-05-28 2013-01-02 东莞福泽尔电子科技有限公司 Emergency escape device for public transportation
CN103359040A (en) * 2013-07-29 2013-10-23 石明 Emergency escape device
CN203666577U (en) * 2014-01-07 2014-06-25 石明 Novel emergent escape device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20017011U1 (en) * 2000-07-13 2001-01-25 Fladung Peter Device for attaching to a flashlight
KR20050053404A (en) * 2003-12-02 2005-06-08 기아자동차주식회사 Hammer for an emergency escape from a vehicle
CN201494397U (en) * 2009-07-06 2010-06-02 王建章 Fixed toughened glass breaking escape apparatus
CN201882027U (en) * 2010-11-26 2011-06-29 厦门志盛工贸有限公司 Glass smasher
CN202641596U (en) * 2012-05-28 2013-01-02 东莞福泽尔电子科技有限公司 Emergency escape device for public transportation
CN103359040A (en) * 2013-07-29 2013-10-23 石明 Emergency escape device
CN203666577U (en) * 2014-01-07 2014-06-25 石明 Novel emergent escape device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109421272A (en) * 2017-08-31 2019-03-05 三纬国际立体列印科技股份有限公司 The sprayer cleaning mechanism and sprayer cleaning method of 3D printing device
EP4140653A4 (en) * 2021-07-08 2023-12-27 Schaffengott Co.,Ltd. Glass breaking device

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Application publication date: 20140409