CN104436453A - Self-controlled brake slow descent escape device - Google Patents
Self-controlled brake slow descent escape device Download PDFInfo
- Publication number
- CN104436453A CN104436453A CN201310431837.7A CN201310431837A CN104436453A CN 104436453 A CN104436453 A CN 104436453A CN 201310431837 A CN201310431837 A CN 201310431837A CN 104436453 A CN104436453 A CN 104436453A
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- CN
- China
- Prior art keywords
- framework
- chain
- brake
- automatic control
- pivot
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
- A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
- A62B1/08—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys
- A62B1/10—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys mechanically operated
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B1/00—Devices for lowering persons from buildings or the like
- A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
- A62B1/18—Other single parts for rope lowering-devices, e.g. take-up rollers for ropes, devices for shooting ropes
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention provides a self-controlled brake slow descent escape device. The self-controlled brake slow descent escape device comprises a cantilever, a chain, a frame, a pivot, a gear disk, a safety belt and a braking structure, wherein the rear end of the cantilever is suspended out of an escape exit; the chain is suspended at the rear end of the cantilever, and the bottom end of the chain extends to a predetermined escape position; the frame is arranged outside the chain in a sleeving mode; the pivot is inserted in the frame; the gear disk is arranged on the pivot in a pivoted mode and clamped onto the chain in a rolling mode; the safety belt is connected to the frame and used for supporting a user; the braking structure is arranged on the frame and can be used by the user to control the rolling speed of the gear disk. Through combination of the components, the purpose that the user can control the descending speed and escape from a high place can be achieved.
Description
Technical field
The present invention relates to that a kind of automatic control brake is slow falls escape apparatus, refer to that one is arranged at the such as escape such as window or balcony outlet especially, allow user fall escape apparatus from the automatic control brake of eminence escape is slow with can controlling decrease speed.
Background technology
Building breaking out of fire is common natural disaster or artificially unexpected, therefore takes precautions against natural calamities except knowledge except possessing, and is extensively provided with the survival equipments such as such as descending lifeline in the escape such as window or balcony outlet.
The structure of descending lifeline roughly comprises: a support, stands on the other ground of escape outlet; One cantilever, front end is fixedly arranged on support, and rear end is suspended in outside escape outlet; One safety belt, for supporting user; And power set, utilize cable connections fixed structure, user is delivered to ground.
But usual descending lifeline does not control the structure of decrease speed, therefore when occurring that such as the intensity of a fire soon burns the situations such as support place, user can not accelerate to decline, and often causes serious injures and deaths.
In addition, due to the problem of structural design, usual descending lifeline at every turn can only for a people, need wait that first man is slow drops to home and after sloughing safety belt, second people could continue use, causes follow-up people to wait for long time, not only can produce very large stress, and the situation of escape may be had little time, obviously usual descending lifeline still has room for improvement.
Given this inventor, thinks hard funiculus, active research, is engaged in the experience of Related product research for many years, and through constantly test and improvement, finally develops the present invention.
Summary of the invention
A kind of user of allowing is the object of the present invention is to provide to fall escape apparatus from the automatic control brake of eminence escape is slow with can controlling decrease speed.
The slow structure of falling escape apparatus of automatic control brake that the present invention achieves the above object comprises: a cantilever, and its front end is fixedly arranged on escape outlet periphery, and rear end is suspended in outside described escape outlet; One chain, hangs on described cantilever rear end, and bottom extends to predetermined escape position; One framework, be generally square hollow form, is sheathed on outside described chain; One pivot, is laterally inserted on the both sides of described framework, and is positioned at described chain rear; One toothed disc, is hubbed on described pivot, and is positioned at described framework, and is rollably arranged on described chain; One safety belt, is connected with on described framework, for supporting user; And a brake structure, be located on described framework, be available for users to the speed that control gear dish rolls, by the combination of said elements, can reach and allow user with can controlling decrease speed from the object of eminence escape.
Preferably, is provided with a roller that can roll along described chain, so as to moving up and down along described chain on front side of described framework.
Preferably, described toothed disc coordinates a ball bearing to be hubbed on described pivot, so as to rolling along described chain.
Preferably, is provided with a clasp on rear side of described framework, described safety belt is located on described clasp, so as to conveniently arranging described safety belt and avoiding safety belt to interfere described toothed disc.
Preferably, described brake structure is the brake structure that usual bicycle adopts, and is available for users to the speed that control gear dish rolls, and then controls the speed of decline.
Preferably, described framework is made up of a front bar, two side levers and a rear bar; Pivot is ducted body; Described brake structure comprises: two swing arms, and its rear end is located on framework respectively swingably, and front end is suspended in pivot both sides respectively; Two bodies of rod, can laterally be inserted on two side levers slidably respectively, corresponding outer end be individually fixed on swing arm, and corresponding the inner is each passed through two side levers and is suspended in toothed disc both sides; Two pedestals, are located at two bodies of rod inner respectively; Two brake blocks, are located at two pedestals respectively and are positioned at toothed disc both sides; One line body, its one end is fixed on a swing arm, and the other end first through the center of pivot, then stretches out another swing arm, then extends to form line external body; One sleeve pipe, be coated on outside line external body, top is located on swing arm; One ring bodies, is located at cannula end, and its medial surface has two corresponding chutes, and the side of its chute has some grooves; One control lever, its two ends are sticked in the chute of ring bodies respectively slidably, and can be snapped in the groove of ring bodies, and described line external body end is connected with on described control lever; Described brake structure is available for users to the speed that control gear dish rolls, and then controls the speed of decline.
Preferably, described framework is combined frame, and user can wear a framing separately, and sequentially by framework composition on chain, therefore can simultaneously for many people.
Preferably, described framework comprises: a front frame body, generally takes the shape of the letter U, and is coated on front side of chain, has first end and the second end; And a back frame body, generally take the shape of the letter U, have the 3rd end and the 4th end, its 3rd end is hubbed at first end swingably, and the 4th end connects the second end separably, and described framework can be assembled on described chain easily.
By the combination of said elements, the present invention can reach and allow user with can controlling decrease speed from the object of eminence escape.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein,
Fig. 1 is using state schematic diagram of the present invention.
Fig. 2 is top view of the present invention.
Fig. 3 is the structural representation of brake structure of the present invention.
Fig. 4 is the structural representation of the ring bodies of brake structure of the present invention.
Fig. 5 ~ 7 are action series of brake structure of the present invention.
Fig. 8 is the second embodiment of the present invention, and disclosing framework is the structural representation of combined frame.
Fig. 9 is the second embodiment of the present invention, and the first end disclosing framework is hubbed at the structural representation of the 3rd end.
Figure 10 is the second embodiment of the present invention, and the second end disclosing framework connects the structural representation of the 4th end separably.
Main element label declaration:
100 automatic control brakes are slow falls escape apparatus
101 escape outlets
102 predetermined escape positions
103 users
1 cantilever
11 supports
2 chains
3 frameworks
31 front bar 32 side levers
33 rear bar 34 rollers
35 clasps
4 pivots
5 toothed discs
6 safety belts
7 brake structures
71 swing arm 72 bodies of rod
73 pedestal 74 brake blocks
75 line body 751 line external body
76 sleeve pipe 77 ring bodies
771 chute 772 grooves
773 first dead center 774 second dead points
78 control levers
8 frameworks
81 front frame body 83 first ends
831 recess 832 rotating shafts
Buckle portion before 85 second ends 851
91 back frame bodies 93 the 3rd end
931 protuberances 95 the 4th end
Buckle portion 952 keeper after 951
953 hole 954 latches
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and the specific embodiment of the present invention is described.
As shown in Figure 1, automatic control of the present invention brake is slow falls escape apparatus 100 and comprises: a cantilever 1, and its front end is fixedly arranged on escape outlet 101 periphery, and rear end is suspended in outside escape outlet; One chain 2, hangs on cantilever 1 rear end, and bottom extends to predetermined escape position 102; One framework 3, be generally square hollow form, is sheathed on outside chain 2; One pivot 4, is laterally inserted on the both sides of framework 3, and is positioned at chain 2 rear; One toothed disc 5, is hubbed on pivot 4, and is positioned at framework 3, and is rollably sticked on chain 2; One safety belt 6, is connected with on framework 3, for supporting user 103; And a brake structure 7, be located on framework, be available for users to the speed that 103 control gear dishes 5 roll, and then control the speed of self landing; By the combination of said elements, can reach and allow user with can controlling decrease speed from the object of eminence escape.Hereafter will be explained in detail.
Cantilever 1 front end can be arranged at one and stand on the support 11 on ground, and its rear end is suspended in outside the such as escape such as window or balcony outlet 101, hangs chain 2 for supplying.Cantilever 1 also directly can be embedded in the (not shown) within the walls of escape outlet 101 periphery, can save the interior space thus.In addition, user can arrange cantilever on multiple escape outlet periphery, and when situation occurs, visual field condition, first selects safer escape outlet, then hang on cantilever by chain, then coordinates other structure to move to predetermined escape position.
The structure that chain 2 can adopt such as steel chain or yellow eel order chain etc. can coordinate with toothed disc 5, it has predetermined length, such as coordinate building height design can extend to the predetermined escape positions such as the open space of ground or lower floor by escape outlet, for carrying human body, visual service condition selects the chain that simultaneously can carry many people.
As shown in Figure 2, framework 3 is generally square hollow form, has front bar 31, two side lever 32 and a rear bar 33, is sheathed on outside chain 2, aforesaid pivot 4, toothed disc 5, safety belt 6 and brake structure 7 are set for supplying, and chain 2 and toothed disc 5 are fastened togather; Front bar 31 on front side of it can be provided with a roller 34 that can roll along chain 2, so as to moving up and down along chain 2.
Pivot 4 is laterally inserted on two side levers 32 of framework 3, and is positioned at chain 2 rear, arranges toothed disc 5 for supplying.
Toothed disc 5 can coordinate ball bearing (not shown) to be hubbed on pivot 4, and is positioned at framework 3, and is rollably sticked on chain 2, for the weight of the user tied up on safety belt is reprinted chain 2.
As shown in Figure 1, safety belt 6 is connected with on framework 3, for supporting user.A clasp 35 can be provided with further, so as to conveniently arranging safety belt 6 and avoiding safety belt to interfere toothed disc 5 outside on rear side of framework 3.
Brake structure 7 is located on framework 3, for the rolling speed of control gear dish 5, and then reach the effect of the person of stopping using 103 decline, the brake structure (not shown) etc. of such as bicycle can be adopted can to slow down or stop the structure of dial rotation, so as to controlling the speed that user declines, now lifting an example and being described as follows.
As shown in Figure 3, aforesaid pivot 4 can adopt ducted body to be equipped with brake structure 7, and brake structure 7 comprises: two swing arms 71, and its rear end is located on framework 3 respectively swingably, and front end is suspended in pivot 4 both sides respectively; Two bodies of rod 72, can laterally be inserted in slidably on two side levers 32 respectively, corresponding outer end is individually fixed on swing arm 71, and corresponding the inner is each passed through two side levers 32 and is suspended in toothed disc 5 both sides; Two pedestals 73, are located at two bodies of rod 72 inner respectively; Two brake blocks 74, are located at two pedestals 73 respectively and are positioned at toothed disc 5 both sides; One line body 75, its one end is fixed on a swing arm 71, and the other end first through the center of pivot 4, then stretches out another swing arm 71, then extends the line external body 751 of a predetermined length; One sleeve pipe 76, is coated on outside line external body 751, and top is located on swing arm 71; One ring bodies 77, is located at sleeve pipe 76 end, and its medial surface has two corresponding chute 771(as shown in Figure 4), and the side of its chute 771 has some groove 772(as shown in Figure 4); One control lever 78, its two ends are sticked in the chute 771 of ring bodies respectively slidably, and can be snapped in the groove 772 of ring bodies, and this line external body 751 end is connected with on this control lever 78, below will illustrate with action series.
Fig. 5 ~ 7 are the action series of brake structure 7, for convenience of description, the chute 771 now defining ring bodies is first dead center 773 near the position of sleeve pipe 76, and be the second dead point 774 away from the position of sleeve pipe 76, as shown in Figure 5, when control lever 78 is positioned at first dead center 773, two brake blocks 74 are not near toothed disc 5, and now toothed disc 5 can fast scroll.As shown in Figure 6, when control lever 78 moves to the second dead point 774 gradually, two swing arms 71 can drive by line body 75 and relatively draw close, and make two brake block 74 Contact Tooth wheel discs 5 and produce frictional force, and then reaching the effect slowing down toothed disc 5 rolling speed.As shown in Figure 7, when control lever 78 is positioned at the second dead point 774, two brake blocks 74 seize toothed disc 5 on both sides by the arms, make toothed disc 5 be can not rolling condition.In addition, spring (not shown) can be provided with between swing arm 71 and side lever 32, when control lever 78 moves to the second dead point 774 gradually, this spring can be compressed and make spring produce prestressing, thus, when control lever 78 to first dead center 773 near time, spring can push swing arm 71 open, brake block 74 is made to leave toothed disc 5, in addition, as shown in figs. 34, the groove 772 of ring bodies can in skewed, when in the groove 772 that control lever 78 is arranged in ring bodies, by the prestressing of spring, line body 75 pairs of control levers 78 can be made to produce pulling force, and then control lever 78 is arranged in bottom the groove 772 of ring bodies.
By the combination of said elements, when situation occurs, user can carry out following escape action: 1. hang on cantilever 1 by chain 2; 2. putting down chain 2 makes its bottom extend to predetermined escape position; 3. safety belt 6 is tied up with it; 4. utilize brake structure 7 to make toothed disc 5 in can not rolling condition; 5. step out escape outlet 101; 6. suitably control brake structure 7 to drop to predetermined escape position, can escape from eminence safely again fast thus.But this escape action is only a kind of possible situation, in fact, brake structure 7 also can be arranged to make under normal conditions toothed disc 5 in slowly to roll or can not the structure of rolling condition, forgets first pin brake structure 7 and the problem that causes moment to glide fast produces to avoid user under the moment of desperation.
The second embodiment as shown in Figure 8, framework 8 can be combined frame, now illustrates as follows, and framework 8 comprises: a front frame body 81, generally takes the shape of the letter U, and is coated on front side of chain 2, has first end 83 and the second end 85; And a back frame body 91, generally take the shape of the letter U, have the 3rd end 93 and the 4th end 95, its 3rd end 93 is hubbed at first end 83 swingably, and the 4th end 95 connects the second end 85 separably, thus, when not using, framework can be unloaded collection to save space, and when situation occurs, user can wear a framing 8 separately, and is sequentially combined on chain 2 by framework 8, therefore can simultaneously for many people.
Now illustrate the structure of front frame body 81 and back frame body 91.As shown in Figure 9, first end 83 and the 3rd end 93 can have corresponding recess 831 and protuberance 931, after recess 831 and protuberance 931 are fastened togather, are serially connected with a rotating shaft 832, and front frame body 81 and back frame body 91 can be swung mutually.As shown in Figure 10, second end 85 and the 4th end 95 can have corresponding front buckle portion 851 and rear buckle portion 951, front buckle portion 851 and rear buckle portion 951 can snap together, and rear buckle portion 951 end can be provided with the keeper 952 that can pass the second end 85 further, the outstanding second end place of keeper 952 end has a hole 953 and locates to utilize a latch 954.
The foregoing is only the schematic detailed description of the invention of the present invention, and be not used to limit scope of the present invention.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present invention and principle and amendment, all should belong to the scope of protection of the invention.
Claims (8)
1. automatic control brake is slow falls escape apparatus (100), it is characterized in that, described automatic control brake is slow falls escape apparatus and comprise:
One cantilever (1), its front end is fixedly arranged on escape outlet (101) periphery, and rear end is suspended in outside described escape outlet;
One chain (2), hangs on described cantilever (1) rear end, and bottom extends to predetermined escape position (102);
One framework, be square hollow form, is sheathed on outside described chain (2);
One pivot (4), is laterally inserted on the both sides of described framework, and is positioned at described chain (2) rear;
One toothed disc (5), is hubbed on described pivot (4), and is positioned at described framework, and can rollably be arranged on described chain (2);
One safety belt (6), is connected with on described framework, for supporting user (103); And
One brake structure (7), is located on described framework, controls the speed of described toothed disc rolling for user.
2. automatic control brake as claimed in claim 1 is slow falls escape apparatus, it is characterized in that, is provided with a roller (34) that can roll along described chain (2) on front side of described framework.
3. automatic control brake as claimed in claim 1 is slow falls escape apparatus, and it is characterized in that, described toothed disc (5) coordinates a ball bearing to be hubbed on described pivot (4).
4. automatic control brake as claimed in claim 1 is slow falls escape apparatus, and it is characterized in that, be provided with a clasp (35) on rear side of described framework, described safety belt (6) is located on described clasp (35).
5. automatic control brake as claimed in claim 1 is slow falls escape apparatus, it is characterized in that, the brake structure that described brake structure (7) adopts for usual bicycle.
6. automatic control brake as claimed in claim 1 is slow falls escape apparatus, and it is characterized in that, described framework is made up of a front bar (31), two side levers (32) and a rear bar (33); Described pivot (4) is ducted body; Described brake structure (7) comprising: two swing arms (71), and its rear end can be swingingly located on described framework respectively, and the front end of swing arm described in two is suspended in described pivot (4) both sides respectively; Two bodies of rod (72), can laterally be inserted in slidably respectively on side lever described in two (32), the corresponding outer end of the body of rod described in two is individually fixed on described swing arm (71), and corresponding the inner of the body of rod described in two is each passed through side lever described in two (32) and is suspended in described toothed disc (5) both sides; Two pedestals (73), are located at the body of rod described in two (72) inner respectively; Two brake blocks (74), are located at pedestal described in two (73) respectively and are positioned at described toothed disc (5) both sides; One line body (75), its one end is fixed on swing arm described in (71), and the other end first through the center of described pivot (4), then stretches out swing arm described in another (71), then extends to form line external body (751); One sleeve pipe (76), be coated on outside described line external body (751), described cannula tip is located on described swing arm (71); One ring bodies (77), is located at described sleeve pipe (76) end, and the medial surface of described ring bodies has two corresponding chutes (771), and the side of described chute (771) has some grooves (772); One control lever (78), its two ends can be sticked in the described chute (771) of ring bodies respectively slidably, and can be snapped in the described groove (772) of ring bodies, and described line external body (751) end is connected with on described control lever (78).
7. automatic control brake as claimed in claim 1 is slow falls escape apparatus, and it is characterized in that, described framework is combined frame.
8. automatic control brake as claimed in claim 1 is slow falls escape apparatus, and it is characterized in that, described framework comprises: a front frame body (81), takes the shape of the letter U, and be coated on described chain (2) front side, described front frame body has first end (83) and the second end (85); And a back frame body (91), take the shape of the letter U, have the 3rd end (93) and the 4th end (95), described 3rd end (93) swingingly can be hubbed at described first end (83), and described 4th end (95) can connect described second end (85) discretely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310431837.7A CN104436453A (en) | 2013-09-22 | 2013-09-22 | Self-controlled brake slow descent escape device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310431837.7A CN104436453A (en) | 2013-09-22 | 2013-09-22 | Self-controlled brake slow descent escape device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104436453A true CN104436453A (en) | 2015-03-25 |
Family
ID=52883690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310431837.7A Pending CN104436453A (en) | 2013-09-22 | 2013-09-22 | Self-controlled brake slow descent escape device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104436453A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109350875A (en) * | 2018-11-30 | 2019-02-19 | 商丘师范学院 | A kind of high-rise life saving landing-gear |
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|---|---|---|---|---|
| US4432437A (en) * | 1981-06-10 | 1984-02-21 | Mcclung Thomas E | Fire escape system |
| BR8601849A (en) * | 1986-04-24 | 1987-11-10 | Gilberto Correa De Oliveira | FIRE SAFETY SET |
| CN2087082U (en) * | 1990-08-29 | 1991-10-23 | 刘大潭 | High building urgent lifesawing appliance |
| CN2293509Y (en) * | 1996-10-24 | 1998-10-07 | 罗孝树 | Built-in line brake braking device for bicycle |
| CN2448404Y (en) * | 2000-11-01 | 2001-09-19 | 周家仁 | Window type lifting/lowering high building life-saving apparatus |
| CN2514855Y (en) * | 2001-08-31 | 2002-10-09 | 周家仁 | Many-storied building lifesaving device capable of repeating use for many people |
| CN2863172Y (en) * | 2005-11-25 | 2007-01-31 | 杨光 | Slow descending installation of slow descending life saving device at high altitude |
| CN201432777Y (en) * | 2009-07-17 | 2010-03-31 | 张介福 | Bicycle brake system with double rear brakes and no front brake |
| KR20120084876A (en) * | 2011-01-21 | 2012-07-31 | 왕종문 | Decending life line for emergency escape |
| CN203196150U (en) * | 2013-03-12 | 2013-09-18 | 东莞市万方消防设备有限公司 | Chained high-rise fire hazard escape device |
| CN203469251U (en) * | 2013-09-22 | 2014-03-12 | 黄明良 | Automatic-control braking slow-descending escaping device |
-
2013
- 2013-09-22 CN CN201310431837.7A patent/CN104436453A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4432437A (en) * | 1981-06-10 | 1984-02-21 | Mcclung Thomas E | Fire escape system |
| BR8601849A (en) * | 1986-04-24 | 1987-11-10 | Gilberto Correa De Oliveira | FIRE SAFETY SET |
| CN2087082U (en) * | 1990-08-29 | 1991-10-23 | 刘大潭 | High building urgent lifesawing appliance |
| CN2293509Y (en) * | 1996-10-24 | 1998-10-07 | 罗孝树 | Built-in line brake braking device for bicycle |
| CN2448404Y (en) * | 2000-11-01 | 2001-09-19 | 周家仁 | Window type lifting/lowering high building life-saving apparatus |
| CN2514855Y (en) * | 2001-08-31 | 2002-10-09 | 周家仁 | Many-storied building lifesaving device capable of repeating use for many people |
| CN2863172Y (en) * | 2005-11-25 | 2007-01-31 | 杨光 | Slow descending installation of slow descending life saving device at high altitude |
| CN201432777Y (en) * | 2009-07-17 | 2010-03-31 | 张介福 | Bicycle brake system with double rear brakes and no front brake |
| KR20120084876A (en) * | 2011-01-21 | 2012-07-31 | 왕종문 | Decending life line for emergency escape |
| CN203196150U (en) * | 2013-03-12 | 2013-09-18 | 东莞市万方消防设备有限公司 | Chained high-rise fire hazard escape device |
| CN203469251U (en) * | 2013-09-22 | 2014-03-12 | 黄明良 | Automatic-control braking slow-descending escaping device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109350875A (en) * | 2018-11-30 | 2019-02-19 | 商丘师范学院 | A kind of high-rise life saving landing-gear |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |
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| WD01 | Invention patent application deemed withdrawn after publication |