KR101610666B1 - Escape Apparatus Descending at a Constant Velocity - Google Patents

Escape Apparatus Descending at a Constant Velocity Download PDF

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Publication number
KR101610666B1
KR101610666B1 KR1020150051733A KR20150051733A KR101610666B1 KR 101610666 B1 KR101610666 B1 KR 101610666B1 KR 1020150051733 A KR1020150051733 A KR 1020150051733A KR 20150051733 A KR20150051733 A KR 20150051733A KR 101610666 B1 KR101610666 B1 KR 101610666B1
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South Korea
Prior art keywords
roller
guide rail
leaf spring
buffer
shaft
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KR1020150051733A
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Korean (ko)
Inventor
김승익
고창석
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주식회사 에스아이테크
고창석
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Priority to KR1020150051733A priority Critical patent/KR101610666B1/en
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    • 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
    • A62B1/20—Devices for lowering persons from buildings or the like by making use of sliding-ropes, sliding-poles or chutes, e.g. hoses, pipes, sliding-grooves, sliding-sheets

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Lowering Means (AREA)

Abstract

The present invention relates to a non-powered escape device descending at a constant velocity, which can be operated without power and enables residents on all floors to safely and rapidly escape. The non-powered escape device descending at the constant velocity includes: a guide rail (10) fixed to an outer wall (1) of a building adjacent to a veranda of the building by being erected from an uppermost floor to a first floor; multiple leaf springs installed from the upper part to the lower part in a hollow unit (11) of the guide rail (10) at fixed intervals; and a constant velocity descending unit (30). The constant velocity descending unit (30) comprises: a first roller (31) inserted into a roller insertion unit (12) of a guide rail (10) and coming into contact with the upper part at the other end of the leaf spring (20), wherein the first roller is in contact with the inner side of an outer surface (10c) of the guide rail (10); a second roller (32) coming into contact with the outer side of the outer surface (10c) of the guide rail (10); a roller connection link (33) connecting the shaft of the first roller (31) and the shaft of the second roller (32) as each end is connected to the shaft of the first roller (31) and the shaft of the second roller (32); and a belt connection unit (34) including a belt connection ring (34a) and connected to the shaft of the second roller (32) by a hinge. The first roller (31) elastically transforms the other side end of the each leaf spring (20) in order by the weight of a passenger, so the constant velocity descending unit descends at a uniform velocity by widening a gap between the other end of the leaf spring (20) and the inner side of the outer surface (10c) of the guide rail (10).

Description

Escape Apparatus Descending at a Constant Velocity}

The present invention relates to a non-powered uniform-speed descending evacuation mechanism, and more particularly, to a non-powered constant-speed descending evacuation mechanism capable of being utilized as an emergency escape means when a fire in a apartment or the like is impossible to evacuate through a door.

There are various emergency evacuation facilities, evacuation facilities, fire protection equipment, etc. installed so that people can evacuate quickly from a high-rise building to a safe place on the ground when a dangerous situation such as fire, explosion, .

A typical example of an evacuation device is a stiffener. The above-described stabilizer can be used only in a low-grade layer, can not be reused in one-time use, and is difficult to use in six or more layers.

The evacuation mechanism installed in the room is designed to escape sequentially one layer at a time for one person, which is slower than the escape speed using the stairs, so that it is likely to become obsolete in the case of fire fighting against the angle of chin.

On the other hand, the evacuation equipment and apparatus of the high-rise buildings are commercialized as a non-powered mechanism that does not use electric power in order to prepare for the inability to operate due to the interruption of electric power, and the evacuation apparatus and equipment should be secured with safety and convenience.

An example of an evacuation device operated by a non-powered device is Korean Patent No. 10-0883838 (entitled " Power Down Control Device ") and Korean Patent No. 10-0476536 (entitled Evacuation Device).

The above devices are capable of descending the boarding passenger or the like of the evacuation facility with no power, but there is a disadvantage that all the passengers on all levels can not use the passenger because they are limited in the number of passengers. In addition, if the passengers can not evacuate because of their limited number of passengers, there is a problem that the evacuation time is delayed because the passengers must be elevated again, and there is a problem that a separate device for ascending the passengers must be provided.

Therefore, there is a need for an evacuation mechanism that is simple in structure, allows residents in all the levels to escape sequentially and safely, and can operate without power.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a portable terminal which is simple in structure, enables residents in all levels to escape sequentially and safely, The present invention provides a non-powered uniform-speed descent evacuation mechanism.

In order to achieve the above object, the non-powered constant-speed descending escape mechanism of the present invention is constructed in such a manner that a hollow section 11 is formed in a long length in a standing upright state in a single layer from the uppermost layer on a building outer wall 1 adjacent to a veranda of a building And a roller insertion port 12 communicating with the hollow portion 11 is provided on a side surface 10a adjacent to the veranda for each layer from the uppermost layer to the second layer, A guide rail 10 communicating with the hollow portion 11 at the center of an outer surface 10c opposed to the guide rails 10a and 10b and connected to the respective roller inserting holes 12 and having guide grooves 13 formed in one layer at the uppermost layer; A plurality of guide rails 10 are provided at a predetermined interval from the upper portion to the lower portion of the hollow portion 11 of the guide rail 10 and one end portion is attached to the inside of the inner surface 10b of the guide rail 10, And the other end portion of the guide rail 10 is disposed inside the outer surface 10c of the guide rail 10 so as to be close to the inner surface of the outer surface 10c of the guide rail 10 A plurality of leaf springs 20 to which elasticity is added; A first roller 31 inserted into the roller insertion port 12 of the guide rail 10 so as to be in contact with the upper portion of the other end portion of the leaf spring 20 and in contact with the inside of the outer surface 10c of the guide rail 10, A second roller 32 which is in contact with the outside of the outer surface 10c of the guide rail 10 and each end of which is coupled to the shaft of the first roller 31 and the shaft of the second roller 32 A roller connecting link 33 which is connected to the guide groove 10 of the guide rail 10 and is inserted into the guide groove 13 of the guide rail 10 at one end thereof, And a belt connecting portion 34 having a belt connecting ring 34a connected to the seat belt of the first roller 31. The first roller 31 rotates the other end portion of each leaf spring 20 sequentially So that the other end of the plate spring 20 and the inside of the outer surface 10c of the guide rail 10 are spaced apart from each other Steel being part 30 at constant speed descent that the constant velocity descent; .

Further, the diameter of the first roller 31 is characterized in that the diameter of the first roller 31 gradually increases as the weight of the occupant increases.

The first roller 31 is fixed to the inside of the inner surface 10b of the guide rail 10 and is positioned between one end and the other end of the leaf spring 20, (40) for buffering the other end of the leaf spring (20) when elastically deforming the leaf spring (20).

The cushion unit 40 includes a coil spring 41 disposed at a lower portion of the leaf spring 20 and having one end fixed to the inside of the inner surface 10b of the guide rail 10, And a buffer roller (42) provided at the other end of the leaf spring (41) and contacting the leaf spring (20) when the first roller (31) due to the weight of the passenger elastically deforms the leaf spring have.

The cushioning unit 40 includes a cushioning cylinder 43 provided at a lower portion of the leaf spring 20 and having one end fixed to the inside of the inner surface 10b of the guide rail 10, 43 and a buffer piston 44 having one end connected to the inner end of the buffer piston 44 and the other end connected to the inner end of the buffer piston 44 and drawn out after the buffer piston 44 is drawn A buffer spring 45 installed at an outer end of the buffer piston 44 and adapted to elastically deform the leaf spring 20 by the first roller 31 due to the weight of the passenger, And a cushioning roller 42 in contact with the roller 20.

The first roller 31 and the second roller 32 are arranged in two rows and the roller connecting link 33 is disposed between the first roller 31 and the second roller 32, And the belt connecting portion 34 is hinged to a shaft located between the second rollers 32. The second roller 32 is connected to a shaft disposed between the second rollers 32 and connected to each other.

The second roller 32 is formed on the outer side of the outer surface 10c of the guide rail 10 so as to extend downward from the upper side of the guide rail 10, It is preferable to further include a guide portion 15 for guiding the lowered portion to prevent it from being detached outwardly.

The non-powered constant-speed descending escape mechanism of the present invention having the above-described structure can escape safely and quickly to residents of all the floors when the escape to the entrance door is impossible due to the fire in the apartment house.

In addition, although the height of apartment buildings is increasingly high, the same device can be used as an evacuation device in a skyscraper in a situation where there is no change in the evacuation method in case of fire.

In addition, it can be used in multi-use commercial buildings.

In addition, it is possible to easily construct a conventional apartment house with low cost.

In addition, the seatbelt and the constant-speed descent part that have been used once can be reused, thereby reducing the cost.

In addition, since the sectional size of the guide rail is as small as 100 mm to 100 mm, the appearance and formability of the building are not greatly damaged.

In addition, according to the present invention, the falling speed is increased by gravity acceleration. A plurality of leaf springs are continuously arranged at regular intervals in the vertical direction so that the falling speed can be delayed. It is advantageous that the acceleration can be lowered at constant speed without causing acceleration.

Unlike conventional evacuation devices, which are available from the second floor residents to the uppermost floor residents, and have a limited number of passengers, the number of occupants can be lowered at the constant speed descending part, There are advantages to be able to. In addition, since a braking device having a complicated structure such as a brake drum is not required, the structure is simple and can be easily used.

Further, unlike a conventional evacuation device in which the evacuation time is delayed, a separate device for raising the passenger vehicle is not required, since the passenger plane must be raised again when all of the passengers can not evacuate.

In addition, the present invention can be used for each layer at the same time, so that it is possible to quickly evacuate. Further, by changing the diameter of the first roller according to the body weight, it is possible to perform the constant-speed fall regardless of the body weight.

1 is a front view showing a non-powered uniform-speed descending escape mechanism according to the present invention.
2 is a cross-sectional view showing a non-powered uniform-speed descending escape mechanism according to the present invention.
3 is a side sectional view showing a non-powered uniform-speed descending escape mechanism according to the present invention.
4 is a view showing a constant velocity descent portion of the non-powered uniform-speed descending escape mechanism according to the present invention.
5 is a side cross-sectional view showing another type of non-dynamic constant-speed descending escape mechanism according to the present invention.
6 is a side cross-sectional view showing still another embodiment of a non-powered uniform-speed descending escape mechanism according to the present invention.
7 is a cross-sectional view showing another type of guide rail of the non-powered uniform-speed descent evacuation mechanism according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The non-powered constant-velocity descent escape mechanism of the present invention will be described below in detail with reference to the drawings.

The present invention relates to a non-motorized constant-speed descending escape mechanism, and is a device for enabling emergency escape means when a fire can not be escaped through a door due to a fire in a residential house or the like, A guide rail installed vertically from the uppermost floor to the first floor, a personal safety belt provided in the room, and a guide roller to which the seat belt is to be attached is inserted into a guide rail installed on the outer wall, and designed to descend at a constant speed at a safe speed As a device, two-tier residents to top tier residents are available to the public.

FIG. 1 is a front view showing a nonmoving constant-velocity descending escape mechanism according to the present invention, FIG. 2 is a transverse sectional view showing a nonmotor constant-velocity descending escape mechanism according to the present invention, FIG. 3 is a side cross- And FIG. 4 is a view showing a constant velocity descent portion of the non-powered uniform-speed descending escape mechanism according to the present invention.

The nonmotor constant speed descent evacuation mechanism 100 according to the present invention includes a guide rail 10, a leaf spring 20, and a constant velocity descent part 30.

The guide rail 10 is fixed to the outer wall 1 of the building adjacent to the veranda of the building with an anchor bolt standing upright from the uppermost floor. The guide rail 10 is a quadrilateral pipe having a long hollow 11 formed therein. The guide rail 10 is provided with a roller insertion port 12 communicating with the hollow portion 11 on the side surface 10a adjacent to the veranda for each layer from the uppermost layer to the second layer. The first roller 31 of the constant velocity descent part 30, which will be described later, is inserted into the roller insertion port 12.

The guide rail 10 communicates with the hollow portion 11 at the center of the outer surface 10c opposite to the inner surface 10b adjacent to the outer wall 1 of the building and is connected to each roller insertion port 12, A guide groove 13 is formed in one layer. An intermediate portion of the roller connecting link 33 of the constant velocity descent portion 30, which will be described later, is inserted into the guide groove 13 to be lowered.

It is needless to say that the guide rails 10 need not necessarily be vertical depending on the shape of the outer wall of the building, and may be installed at a slight obtuse angle or acute angle.

In addition, since the sectional size of the guide rail 10 is about 100 mm to 100 mm, the appearance and formability of the building are not greatly damaged.

The leaf springs (20) are installed in the hollow portion (11) of the guide rail (10) at regular intervals from top to bottom. The leaf spring 20 is attached to the inside of the inner surface 10b of the guide rail 10 so that one end portion thereof is bent in an upward direction and the other end portion is formed at an angle with one end portion And is disposed so as to be inwardly inward of the outer surface 10c of the guide rail 10 and close to the inner side of the outer surface 10c of the guide rail 10,

The leaf spring 20 is elastically deformed to lower the first roller 31 of the constant velocity descent part 30 to be described later.

The constant velocity lowering portion 30 includes a first roller 31, a second roller 32, a roller connecting link 33, and a belt connecting portion 34.

The first roller 31 is inserted into the roller insertion port 12 of the guide rail 10 so as to be in contact with the upper part of the other end portion of the leaf spring 20 and to be in contact with the inside of the outer surface 10c of the guide rail 10. [ . When a load is applied to the first roller 31, the other end portion of the leaf spring 20 is elastically deformed so that the other end of the leaf spring 20 is spaced apart from the inside of the outer surface 10c of the guide rail 10 And is lowered.

The second roller 32 contacts the outer side of the outer surface 10c of the guide rail 10 and moves down along the guide rail 10.

The roller connecting links 33 are connected at their ends to the shaft of the first roller 31 and the shaft of the second roller 32 to be connected to each other and the intermediate portion is connected to the guide groove 10 of the guide rail 10 13) and descend along the guide groove (13).

The roller connection link 33 connects the guide groove 13 and the roller insertion port 12 when the first roller 31 is inserted into the roller insertion port 12 and connects the connection groove 14 formed horizontally And is inserted into the guide groove 13.

When the load is applied to the first roller 31 by the body weight of the passenger, the first roller 31 rotates in the same direction as that of the plate spring 20 The other end portion is sequentially deformed by elastic deformation so that the other end portion of the leaf spring 20 is lowered at a constant speed by being spaced apart from the inside of the outer surface 10c of the guide rail 10. [

As described above, according to the present invention, the falling speed is increased by the acceleration of gravity, and a plurality of leaf springs are continuously arranged at regular intervals in the vertical direction so that the falling speed can be delayed and the force to fall freely by gravity is reduced. There is an advantage in that the acceleration speed is not generated but the constant velocity can be lowered because the passing time is delayed while the falling velocity is reduced each time the spring of the valve is passed.

The uniform-speed descending part 30 is provided for each floor corresponding to the number of residents, so that it is used when a fire occurs.

(1.0 to 1.54 m / sec) at which the evacuator can quickly escape so as not to feel the fear of the escape, and the elastic coefficient of the leaf spring 20 and the diameter of the first roller 31 are determined do.

In addition, by designing the diameter of the first roller 31 of an appropriate size by dividing the weight of the general person into multi-stages, selecting the seatbelt and the constant velocity descent part 30 by grasping the weight of the occupant at all times, So that the user can quickly evacuate using the constant-velocity descent part 30 fitted to the lower part.

At this time, it is preferable that the diameter of the first roller 31 gradually increases as the weight of the occupant increases.

When the diameter of the first roller 31 is increased, the leaf spring 20 must be more elastically deformed in order for the first roller 31 to pass through the leaf spring 20. The increase in the amount of elastic deformation of the leaf spring 20 means that the load acting on the first roller 31 must be large. Therefore, if the weight of the passenger increases, the load acting on the first roller 31 becomes large. Therefore, if the diameter of the first roller 31 is increased, even if the load acting on the first roller 31 is increased , The speed at which the leaf spring 20 passes through can be made constant even if the weight of the passenger increases.

The first roller 31 is fixed to the inside of the inner surface 10b of the guide rail 10 and is positioned between one end and the other end of the leaf spring 20, It is preferable to further include a buffer 40 for buffering the other end of the leaf spring 20 when the leaf spring 20 is elastically deformed.

The cushioning portion 40 serves to delay the elastic deformation speed of the leaf spring 20 when the first roller 31 deforms the leaf spring 20 due to the weight of the passenger.

FIG. 5 is a side sectional view showing another embodiment of a non-dynamic constant-speed descending escape mechanism according to the present invention, and FIG. 6 is a side cross-sectional view showing still another embodiment of a non-dynamic constant-speed descending escape mechanism according to the present invention.

Figs. 5 and 6 show a non-dynamic constant-speed descent evacuation mechanism provided with a buffer 40. Fig.

The buffer 40 may be of two types.

As a first form of the buffer part 40, a coil spring 41 is used as shown in FIG.

The coil spring 41 is provided at a lower portion of the leaf spring 20 and has one end fixed inside the inner surface 10b of the guide rail 10. At the other end of the coil spring 41, a buffer roller 42 is provided.

The cushioning roller 42 is provided at the other end of the coil spring 41 and when the first roller 31 due to the weight of the passenger elastically deforms the leaf spring 20, And serves to reduce the frictional force at the time of contact with the leaf spring 20.

In the second form of the buffer 40, a buffer cylinder 43 and a buffer piston 44 are used as shown in FIG.

The buffer cylinder 43 is provided at a lower portion of the leaf spring 20 and has one end fixed inside the inner surface 10b of the guide rail 10.

The buffer piston (44) is coupled to the buffer cylinder (43).

A buffer spring 45 is provided in order to pull out the buffer piston 44 after the buffer piston 44 is drawn into the buffer cylinder 43 and to return the buffer piston 44.

The cushioning spring 45 has one end connected to the inner end of the buffer piston 44 and the other end connected to the inner end of the buffer piston 44, do.

In addition, the second shape of the cushioning portion 40 allows the cushioning roller 42 to be provided as in the case of the first cushioning portion.

The cushioning roller 42 is installed at the outer end of the cushioning piston 44 so that when the first roller 31 due to the weight of the passenger elastically deforms the leaf spring 20, And serves to reduce the frictional force at the time of contact with the leaf spring 20.

The first roller 31 and the second roller 32 are arranged in two rows and the roller connecting link 33 is disposed between the first roller 31 and the second roller 32, And the belt connecting portion 34 is hingedly coupled to a shaft located between the second rollers 32. The second roller 32 is connected to a shaft disposed between the second rollers 32, Thus, when the first roller 31 and the second roller 32 are provided in two rows, the downward running of the first roller 31 and the second roller 32 can be smoothly performed, So that the vehicle can be stably lowered without moving to one side.

In addition, the guide portion 15 (see FIG. 7) may be further provided so that the second roller 32 can perform a stable downward travel.

The guide portion 15 is elongated from the upper portion to the lower portion of the guide rail 10 on the outer side of the outer surface 10c of the guide rail 10 and the second roller 32 is fixed to the guide rail 10, Thereby preventing the guide member 10 from being detached from the outer surface 10c of the guide member 10 and guiding the guide member 10 to be lowered.

The technical idea should not be interpreted as being limited to the above-described embodiment of the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Accordingly, such modifications and changes are within the scope of protection of the present invention as long as it is obvious to those skilled in the art.

1: building outer wall 10: guide rail
10a: side surface 10b: inner surface
10c: outer surface 11: hollow portion
12: roller insertion hole 13: guide groove
14: connection groove 15: guide portion
20: Plate spring 30: Constant falling part
31: first roller 32: second roller
33: roller connection link 34: belt connection
34a: belt connection ring 40: buffer
41: coil spring 42: buffer roller
43: buffer cylinder 44: buffer piston
45: buffer spring 100: evacuation mechanism

Claims (7)

A rectangular pipe which is fixedly installed upright from the uppermost layer to the building outer wall 1 adjacent to the veranda of the building and has a long hollow portion 11 therein, The hollow portion 11 is provided at the center of the outer surface 10c opposed to the inner surface 10b adjacent to the outer wall 1 of the building. A guide rail 10 communicating with each of the roller insertion ports 12 and having guide grooves 13 formed in one layer at the uppermost layer;
A plurality of guide rails 10 are provided at a predetermined interval from the upper portion to the lower portion of the hollow portion 11 of the guide rail 10 and one end portion is attached to the inside of the inner surface 10b of the guide rail 10, And the other end portion of the guide rail 10 is disposed inside the outer surface 10c of the guide rail 10 so as to be close to the inner surface of the outer surface 10c of the guide rail 10 A plurality of leaf springs 20 to which elasticity is added;
A first roller 31 inserted into the roller insertion port 12 of the guide rail 10 so as to be in contact with the upper portion of the other end portion of the leaf spring 20 and in contact with the inside of the outer surface 10c of the guide rail 10, )Wow,
A second roller 32 contacting the outside of the outer surface 10c of the guide rail 10,
Each of which is connected to the shaft of the first roller 31 and the shaft of the second roller 32 to be connected to each other and the intermediate portion is inserted into the guide groove 13 of the guide rail 10, (33)
And a belt connecting part (34) having a belt connecting ring (34a), one end of which is hinged to the shaft of the second roller (32) and the other end of which is connected to a passenger 's seat belt, The first roller 31 sequentially elastically deforms the other end portion of each leaf spring 20 so that the other end of the leaf spring 20 is spaced apart from the inside of the outer surface 10c of the guide rail 10 A constant velocity descent part 30 which is lowered at constant velocity by descending;
And a lower end of the lower housing. The method according to claim 1,
Wherein the diameter of the first roller (31) increases gradually as the weight of the occupant increases. 3. The method according to claim 1 or 2,
The first roller 31 is fixed to the inside of the inner surface 10b of the guide rail 10 and is positioned between one end and the other end of the leaf spring 20, And a buffer part (40) for buffering the other end of the leaf spring (20) when elastically deforming the leaf spring (20). 4. The apparatus according to claim 3, wherein the buffer (40)
A coil spring 41 provided at a lower portion of the leaf spring 20 and having one end fixed inside the inner surface 10b of the guide rail 10 and a coil spring 41 installed at the other end of the coil spring 41, And a cushioning roller (42) contacting the leaf spring (20) when the first roller (31) due to body weight elastically deforms the leaf spring (20). 4. The apparatus according to claim 3, wherein the buffer (40)
A damping cylinder 43 provided at a lower portion of the leaf spring 20 and having one end fixed inside the inner surface 10b of the guide rail 10,
A buffer piston 44 coupled to the buffer cylinder 43,
A cushion spring 45 having one end disposed inside the buffer cylinder 43 and the other end connected to the inner end of the buffer piston 44 to be drawn out after the buffer piston 44 is drawn in and returned;
A buffer roller 42 provided at an outer end of the buffer piston 44 and contacting the leaf spring 20 when the first roller 31 due to the weight of the passenger elastically deforms the leaf spring 20 Wherein the non-powered uniform-speed descent evacuation mechanism comprises: The method according to claim 1,
The first roller 31 and the second roller 32 are arranged in two rows,
The roller connecting link 33 is coupled to and coupled to a shaft located between the first rollers 31 and a shaft located between the second rollers 32,
And the belt connecting portion (34) is hinged to a shaft located between the second rollers (32). The method according to claim 6,
The second roller 32 is formed on the outer side of the outer surface 10c of the guide rail 10 so as to extend downward from the upper portion of the guide rail 10 and the second roller 32 extends outwardly from the outer surface 10c of the guide rail 10. [ Further comprising a guiding portion (15) for guiding the lowering of the slope to prevent descent.
KR1020150051733A 2015-04-13 2015-04-13 Escape Apparatus Descending at a Constant Velocity KR101610666B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240065784A (en) 2022-11-07 2024-05-14 주식회사 선포탈 Top-down emergency escape apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008119164A (en) 2006-11-10 2008-05-29 Hiroshi Kuwajima Evacuation device
KR100841211B1 (en) 2008-03-26 2008-06-24 한정구 Fire escape apparatus for building

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008119164A (en) 2006-11-10 2008-05-29 Hiroshi Kuwajima Evacuation device
KR100841211B1 (en) 2008-03-26 2008-06-24 한정구 Fire escape apparatus for building

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240065784A (en) 2022-11-07 2024-05-14 주식회사 선포탈 Top-down emergency escape apparatus

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