Method and system for creating an emergency exit to rescue a user in an elevator

The method and system use common tools to create an emergency exit in stalled elevators, addressing the inefficiencies of traditional rescue methods by ensuring quick and safe evacuation with minimal elevator damage.

WO2026053014A1PCT designated stage Publication Date: 2026-03-12VISHAL RUPHAVATHY
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2025-07-02
Publication Date
2026-03-12

AI Technical Summary

Technical Problem

Existing rescue methods for individuals trapped in stalled elevators are time-consuming and require specialized equipment, often failing to ensure quick and safe evacuation, particularly when standard safety mechanisms fail.

Method used

A method and system utilizing commonly available tools like screwdrivers and Allen keys to remove rubber beading, screws, and acrylic panels to create an emergency exit, allowing for rapid rescue without damaging the elevator structure.

Benefits of technology

Enables swift and safe evacuation of trapped individuals by minimizing damage to the elevator and reducing rescue time, enabling less experienced personnel to execute the process efficiently.

✦ Generated by Eureka AI based on patent content.

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Abstract

A method (100) for creating an emergency exit to rescue a user in an elevator is disclosed The method includes detecting, by a sensor, an appropriate floor for the rapid rescue latch operation when an elevator is stuck between floors (110). The method includes allowing manual operation of the door of the elevator using a rapid rescue latch safety unit activated by an operator (120). The method includes removing a rubber beading on the elevator by a rubber beading removal tool (130). The method includes unfastening a plurality of screws (140) and removing top and bottom outer L-rings (150). The method includes inserting, by an acrylic panel removal tool, at a first end of the acrylic panels to pull them out (160) and removing acrylic panels inside the elevator cabin (170). The method includes rescuing individuals through an exit opening formed upon the removal of the acrylic panels (180).
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Description

[0001] METHOD AND SYSTEM FOR CREATING AN EMERGENCY EXIT TO RESCUE A USER IN AN ELEVATOR

[0002] EARLIEST PRIORITY DATE:

[0003] This Application claims priority from a complete patent application filed in India having Patent Application No. 202441067358, filed on 05th day of September 2024, and titled “METHOD AND SYSTEM FOR CREATING AN EMERGENCY EXIT TO RESCUE A USER IN AN ELEVATOR”.

[0004] FIELD OF INVENTION

[0005] Embodiments of the present disclosure relate to the field of emergency rescue methods, and more particularly, a method and system for creating an emergency exit to rescue a user in an elevator.

[0006] BACKGROUND

[0007] Rescues from stalled elevators involve a series of procedures to safely free individuals who are trapped in an elevator that is not functioning properly. Trained professionals, such as building staff or emergency responders, initially assess the situation by determining the number of occupants and their condition. Communication is established and maintained through the elevator's intercom system to provide reassurance and gather essential information. Safety checks involve isolating the affected elevator, ensuring power is turned off, and confirming the engagement of the emergency brake to prevent unexpected movements. Attempts at manual operation or door release are made, utilizing designated mechanisms or controls. If these efforts prove unsuccessful, professionals may explore remote control options if available. Collaboration with trained elevator technicians is essential for addressing technical issues, and coordination with emergency medical services may be necessary for medical concerns. Throughout the rescue, continuous communication with occupants is maintained, emphasizing adherence to safety protocols to guarantee the safety of both rescuers and those being rescued.

[0008] While these procedures are effective, they may be time-consuming and require the presence of highly trained personnel and specialized equipment. Additionally, traditional rescue methods may not always be successful, particularly in situations where the elevator is stuck between floors and the standard safety mechanisms have failed. This may lead to extended periods of entrapment, increased anxiety for the trapped individuals, and potential safety risks for both the occupants and the rescuers. There is a need for a more efficient, reliable, and easily executable method for rescuing individuals trapped in stalled elevators that does not rely solely on the existing safety features and complex procedures.

[0009] Hence, there is a need for a method and system for creating an emergency exit to rescue a user in an elevator which addresses the aforementioned issue(s).

[0010] OBJECTIVES OF THE INVENTION

[0011] The primary objective of the invention is to provide a comprehensive solution for rescuing individuals trapped inside a stalled elevator.

[0012] Another objective of the invention is to incorporate the use of commonly available tools, such as a screwdriver to remove rubber beading, a drilling machine or Allen keys, to unfasten multiple screws, including counter sink screws, thereby ensures that the rescue process may be initiated quickly and efficiently without the need for specialized equipment.

[0013] Yet another objective of the invention is to enable the delicate removal of rubber beading and acrylic panels to prevent damage to the elevator structure, allowing for the disassembly and reassembly of system parts with minimal or no damage to the elevator itself, and maintaining safety during the rescue operation.

[0014] Yet another objective of the invention is to minimize the time occupants spend in stalled elevators, preventing panic, and ensuring a smooth and controlled evacuation process.

[0015] BRIEF DESCRIPTION

[0016] In accordance with an embodiment of the present disclosure, a method for creating an emergency exit to rescue a user in an elevator is provided. The method includes detecting, by a sensor, an appropriate floor for the rapid rescue latch operation when an elevator is stuck between floors. The method includes allowing, by a rapid rescue latch safety unit, manual operation of the door of the elevator upon activation by an operator in an occurrence of the stalled elevator. The method includes removing, by a rubber beading removal tool, a rubber beading affixed along length of a surface of the elevator. The method includes unfastening, by a fastening removal tool, a plurality of screws. The plurality of screws includes counter sink screws. The method includes removing, by the fastening removal tool, top and bottom outer L-rings from a shaft of the elevator. The method includes inserting, by an acrylic panel removal tool, at a first end of the acrylic panels on a surface of the elevator shaft to pull them out. The removal direction is outside the lift boundaries. The method includes removing, by the acrylic panel removal tool, acrylic panels inside the lift cabin. The removal direction is outside the lift boundaries. The method includes rescuing individuals trapped inside the stalled elevator through an exit opening formed upon the removal of the acrylic panels.

[0017] In accordance with an embodiment of the present disclosure, a system for creating an emergency exit to rescue a user in an elevator is provided. The system includes a sensor configured to detect an appropriate floor for the emergency exit when the elevator is stuck between floors. The system includes a rapid rescue latch safety unit adapted to allow manual operation of a door of the elevator upon activation by an operator. The system includes a rubber beading removal tool utilized by the operator to remove a rubber beading affixed along length of a surface of the elevator. The system includes a fastening removal tool utilized by the operator to unfasten a plurality of screws, wherein the plurality of screws comprises counter sink screws and remove a top and bottom outer L-rings from a shaft of the elevator. The system includes an acrylic panel removal tool inserted by the operator at a first end of the acrylic panels on a surface of the elevator shaft to pull them out, wherein the removal direction is outside the lift boundaries and utilized by the operator to remove acrylic panels inside the lift cabin, wherein the removal direction is outside the lift boundaries thereby creating an emergency exit created to rescue one or more users trapped inside the stalled elevator.

[0018] In accordance with yet another embodiment of the present disclosure, a pneumatic vacuum is provided. The elevator includes an external cylinder assembly includes an elevator cabin inserted therein. The external cylinder assembly includes a plurality of cylinders coupled using a base ring assembly and a band ring assembly. The external cylinder assembly includes a guide rail pillar mechanically coupled to the elevator cabin. The guide rail pillar is disposed at the external cylinder assembly. The elevator also includes a guide rail pillar configured to guide an actuation of the elevator cabin. The elevator also includes a polycarbonate sheet configured to cover the external cylinder assembly. The polycarbonate sheet and the external cylinder assembly is coupled using a first locking device and a second locking device. The first locking device is configured to lock an air gap between the polycarbonate sheet, the base ring assembly, and the external cylinder assembly, and the second locking device is configured to lock the air gap between the polycarbonate sheet and the guide rail pillar. The elevator includes a seal assembly adapted to fit over a top portion of the elevator cabin, wherein the seal assembly is configured to seal the elevator cabin to reduce vibrations during upward and downward movement of the elevator cabin. The seal assembly comprises a depressurizing system configured to prevent the elevator cabin from coming into force contact with the external cylinder assembly during upward movement and contribute to safety of an elevator operation. The elevator includes an electronic control unit located on top of the external cylinder assembly.

[0019] To further clarify the advantages and features of the present disclosure, a more particular description of the disclosure will follow by reference to specific embodiments thereof, which are illustrated in the appended figures. It is to be appreciated that these figures depict only typical embodiments of the disclosure and are therefore not to be considered limiting in scope. The disclosure will be described and explained with additional specificity and detail with the appended figures.

[0020] BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The disclosure will be described and explained with additional specificity and detail with the accompanying figures in which:

[0022] FIG. 1 illustrates a flow chart representing the steps involved in a method for creating an emergency exit to rescue a user in an elevator in accordance with an embodiment of the present disclosure;

[0023] FIG. 2(a) and FIG. 2(b) are schematic diagrams depicting a system component involved in a method for creating an emergency exit to rescue a user in an elevator of FIG. 1 in accordance with an embodiment of the present disclosure; and

[0024] FIG. 3 is a schematic representation of pneumatic vacuum elevator in accordance with an embodiment of the present disclosure.

[0025] Further, those skilled in the art will appreciate that elements in the figures are illustrated for simplicity and may not have necessarily been drawn to scale. Furthermore, in terms of the construction of the device, one or more components of the device may have been represented in the figures by conventional symbols, and the figures may show only those specific details that are pertinent to understanding the embodiments of the present disclosure so as not to obscure the figures with details that will be readily apparent to those skilled in the art having the benefit of the description herein.

[0026] DETAILED DESCRIPTION

[0027] For the purpose of promoting an understanding of the principles of the disclosure, reference will now be made to the embodiment illustrated in the figures and specific language will be used to describe them. It will nevertheless be understood that no limitation of the scope of the disclosure is thereby intended. Such alterations and further modifications in the illustrated system, and such further applications of the principles of the disclosure as would normally occur to those skilled in the art are to be construed as being within the scope of the present disclosure.

[0028] The terms “comprises”, “comprising”, or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process or method that comprises a list of steps does not include only those steps but may include other steps not expressly listed or inherent to such a process or method. Similarly, one or more devices or subsystems or elements or structures or components preceded by "comprises... a" does not, without more constraints, preclude the existence of other devices, sub-systems, elements, structures, components, additional devices, additional sub-systems, additional elements, additional structures or additional components. Appearances of the phrase "in an embodiment", "in another embodiment" and similar language throughout this specification may, but not necessarily do, all refer to the same embodiment.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this disclosure belongs. The system, methods, and examples provided herein are only illustrative and not intended to be limiting. In the following specification and the claims, reference will be made to a number of terms, which shall be defined to have the following meanings. The singular forms “a”, “an”, and “the” include plural references unless the context clearly dictates otherwise.

[0030] Embodiments of the present disclosure relate to a method for creating an emergency exit to rescue a user in an elevator is provided. The method includes detecting, by a sensor an appropriate floor for the rapid rescue latch operation when an elevator is stuck between floors. The method includes allowing, by a rapid rescue latch safety unit, manual operation of the door of the elevator upon activation by an operator in an occurrence of the stalled elevator. The method includes removing, by a rubber beading removal tool, a rubber beading affixed along length of a surface of the elevator. The method includes unfastening, by a fastening removal tool, a plurality of screws. The plurality of screws includes counter sink screws. The method includes removing, by the fastening removal tool, top and bottom outer L-rings from a shaft of the elevator. The method includes inserting, by an acrylic panel removal tool, at a first end of the acrylic panels on a surface of the elevator shaft to pull them out. The removal direction is outside the lift boundaries. The method includes removing, by the acrylic panel removal tool, acrylic panels inside the lift cabin. The removal direction is outside the lift boundaries. The method includes rescuing individuals trapped inside the stalled elevator through an exit opening formed upon the removal of the acrylic panels.

[0031] FIG. 1 illustrates a flow chart representing the steps involved in a method for creating an emergency exit to rescue a user in an elevator in accordance with an embodiment of the present disclosure. In the event where an elevator is stuck between floors, a condition commonly referred to as the stalled elevator.

[0032] The method (100) includes detecting, by a sensor an appropriate floor for the rapid rescue latch operation when the elevator is stuck between floors in step 110. Step 110 facilitates a smooth exit for a plurality of trapped occupants, particularly when the elevator is stuck between floors. It must be noted that the elevator is a pneumatic vacuum elevator also known as a vacuum elevator. The pneumatic vacuum elevator is a type of elevator that operates using air pressure differences created by vacuum pumps or turbines. The pneumatic vacuum elevator is a see-through, vacuum-operated lift that does not require cables, pulleys, a pit, or an engine room. As a result, they typically require less energy and space compared to traditional home elevators.

[0033] The pneumatic vacuum elevators use the principles of air pressure and vacuum to move the elevator cab between floors. The elevator consists of a cylindrical shaft and a cab that travels within this shaft. This design allows for a more efficient and compact installation, making it ideal for residential settings.

[0034] In one embodiment, continuous communication with the plurality of trapped occupants is maintained for gathering essential information during the rescue operation.

[0035] The method (100) includes allowing, by a rapid rescue latch safety unit, manual operation of the door of the elevator upon activation by an operator in an occurrence of the stalled elevator in step 120.

[0036] In an embodiment, the operator refers to any individual authorized to initiate or perform the rescue procedure. The operator may execute the rescue procedure, which is affixed in an accessible location and may be followed according to guidelines provided.

[0037] The method (100) includes removing, by a rubber beading removal tool, a rubber beading affixed along length of a surface of the elevator in step 130. Examples of the removal tool include but are not limited to screwdriver, drilling machine and a plurality of alien keys. Starting at one end, gently insert the removal tool, applying pressure to lift and gradually separate the rubber beading from the surface of the elevator. The step is repeated along the entire length, freeing the rubber beading from the surface. The method (100) includes unfastening, by a fastening removal tool, a plurality of screws. The plurality of screws includes counter sink screws in step 140. This step utilizes a drilling machine or simple Allen keys for unfastening.

[0038] It must be noted that the plurality of screws is positioned a top and bottom edges of acrylic panels of the elevator. The counter sink screws are used to securely connect an outer L-ring to the shaft of the elevator under normal operating conditions.

[0039] The acrylic panels are composed of polycarbonate sheets. The polycarbonate sheet is a transparent thermoplastic with carbonate functional groups. Its high strength makes it resistant to impact and fracture.

[0040] The method (100) includes removing, by the fastening removal tool, top and bottom outer L-rings from a shaft of the elevator in step 150.

[0041] The method (100) includes inserting, by an acrylic panel removal tool, at a first end of the acrylic panels on a surface of the elevator shaft to pull them out. The removal direction is outside the lift boundaries in step 160. The acrylic panel removal tool is a flat head screwdriver. By gently inserting a flat-head screwdriver at the first end of the acrylic panel is pulled up from the surface it is attached to. Since the removal direction is outside the lift boundaries, ensuring safety and preventing any damage to the acrylic panel or the elevator structure.

[0042] The method (100) includes removing, by the acrylic panel removal tool, acrylic panels inside the lift cabin. The removal direction is outside the lift boundaries in step 170. The step ensuring a safe and controlled removal process.

[0043] The method (100) includes rescuing individuals trapped inside the stalled elevator through an exit opening formed upon the removal of the acrylic panels in step 180. The step ensures the safe and efficient evacuation of the trapped individuals, completing the rescue operation. FIG. 2(a) and FIG. 2(b) are schematic diagrams depicting a system component involved in a method for creating an emergency exit to rescue a user in an elevator of FIG. 1 in accordance with an embodiment of the present disclosure. The system (300) includes a sensor (not shown in FIG. 2(a) and FIG. 2(b)) configured to detect an appropriate floor for the emergency exit when the elevator is stuck between floors. The sensor continuously monitors the elevator’s position. If it detects that the elevator is stuck between floors, it recognizes an emergency situation. Further, the sensor assesses the elevator's position relative to the closest floors. It determines which floor is the most appropriate or safest for an emergency exit, considering factors like proximity, stability, and safety protocols. The sensor detects or measures specific conditions or changes in the elevator. Once the sensor identifies the appropriate floor, it sends a signal to an elevator control unit (not shown in FIG. 2(a) and FIG. 2(b)) to initiate emergency procedures. The emergency procedure is further discussed herein.

[0044] Further, the system (300) includes a rapid rescue latch safety unit adapted to allow manual operation of a door (310) of the elevator upon activation by an operator. The system (300) includes a rubber beading removal tool utilized by the operator to remove a rubber beading (350) affixed along length of a surface of the elevator. The system (300) includes a fastening removal tool utilized by the operator to unfasten a plurality of screws (340), wherein the plurality of screws (340) comprises counter sink screws and remove a top and bottom outer L-rings(330a, 330b) from a shaft of the elevator. Further, the system (300) includes an acrylic panel removal tool inserted by the operator at a first end of the acrylic panels (320) on a surface of the elevator shaft to pull them out, wherein the removal direction is outside the lift boundaries and utilized by the operator to remove acrylic panels (320) inside the lift cabin, wherein the removal direction is outside the lift boundaries thereby creating an emergency exit created to rescue one or more users trapped inside the stalled elevator. FIG. 2(a) illustrates an individual trapped inside an elevator (300), showing the internal structure of the elevator (300) where the individual is trapped. The elevator (300) includes a cabin door (310), which contains acrylic panels (320) with outer L-rings (330a, 330b) and a rubber beading (350) affixed along length of a surface of the elevator, which are removable to facilitate rescue operations. Further, FIG. 2(a) illustrates the positioning of a plurality of screws (340) includes securing outer L-rings (330a, 330b) to the elevator shaft, which are part of the disassembly process. FIG. 2(b), illustrates the successful evacuation of the individual from the stalled elevator. Indicates the exit opening formed upon the removal of acrylic panels (320), through which the individual exits safely.

[0045] Let's consider an operator, "X," who wants to rescue a person, "Y," trapped inside a stalled elevator. For this purpose, the operator “X” takes commonly available tools, including a screwdriver, a drilling machine, and Allen keys, to the location. He starts the procedure as per the guidelines affixed at the elevator entrance. The operator “X” maintains continuous communication with person “Y” to keep them calm throughout the rescue process. Firstly, the operator “X” determines the appropriate floor for the rapid rescue latch operation based on which portion of the elevator is more easily accessible. He / she then activates the rapid rescue latch safety unit to allow manual operation of the elevator door. Next, the operator “X” uses the screwdriver to delicately remove the rubber beading affixed along the length of the elevator's surface. With the rubber beading removed, he / she then employs the drilling machine and Allen keys to unfasten the plurality of counter sink screws positioned at the top and bottom edges of the acrylic panels of the elevator. Once the screws are unfastened, the operator “X” removes the top and bottom outer L-rings from the shaft of the elevator. He then uses an acrylic panel removal tool to gently insert at one end of the acrylic panels on the elevator shaft's surface to pull them out. Following the same procedure, the operator “X” removes the acrylic panels inside the elevator cabin. Finally, with the acrylic panels removed, an exit opening is formed. The operator assists person “Y” through the exit opening, successfully rescuing them from the stalled elevator.

[0046] FIG. 3 is a schematic representation of a pneumatic vacuum elevator (300) in accordance with an embodiment of the present disclosure. The pneumatic vacuum elevator (200) includes an external cylinder assembly (210) including an elevator cabin (220) inserted therein. The external cylinder assembly (210) includes a plurality of cylinders coupled using a base ring assembly (211) and a band ring assembly (312).

[0047] The pneumatic vacuum elevator (300) also includes a guide rail pillar (213) mechanically coupled to the elevator cabin (220). The guide rail pillar (213) is disposed at the external cylinder assembly (210). The guide rail pillar (213) is configured to guide an actuation of the elevator cabin (220).

[0048] Furthermore, the pneumatic vacuum elevator (300) includes a polycarbonate sheet (214) configured to cover the external cylinder assembly (210). The polycarbonate sheet (214) and the external cylinder assembly (210) is coupled using a first locking device and a second locking device. The first locking device is configured to lock an air gap between the polycarbonate sheet (214), the base ring assembly (211) and the external cylinder assembly (210) and the second locking device is configured to lock air gap between the polycarbonate sheet (214) and the guide rail pillar (213).

[0049] Moreover, the pneumatic vacuum elevator (200) includes a seal assembly (215) adapted to fit over a top portion of the elevator cabin (220). The seal assembly (215) is configured to seal the elevator cabin (220) to reduce vibrations during upward and downward movement of the elevator cabin (220). The seal assembly (215) includes a depressurizing system configured to prevent the elevator cabin (220) from coming into force contact with the external cylinder assembly during upward movement and contribute to safety of an elevator operation. Moreover, the pneumatic vacuum elevator (200) includes an electronic control unit (225) located on top of the external cylinder assembly (210).

[0050] Various embodiments of the method and system for creating an emergency exit to rescue the user in the elevator as described above provide a comprehensive solution for rescuing individuals trapped inside the stalled elevator. To develop a rapid rescue system for the swift and secure evacuation of individuals trapped in the elevator, the method utilizing commonly available tools, such as a screwdriver to remove rubber beading, a drilling machine or Allen keys, to unfasten multiple screws, including counter sink screws, ensuring that the rescue process may be initiated quickly and efficiently without the need for specialized equipment. The method also enables the delicate removal of rubber beading and acrylic panels to prevent damage to the elevator structure, allowing for the disassembly and reassembly of system parts with minimal or no damage to the elevator itself, and maintaining safety during the rescue operation. Additionally, minimize the time occupants spend in stalled elevators, preventing panic, and ensuring a smooth and controlled evacuation process. The method incorporates provisions for disassembling and assembling elevator parts without breaking elevator components, thereby enabling rescue operations to be conducted seamlessly by less experienced technicians without causing distress to occupants.

[0051] It will be understood by those skilled in the art that the foregoing general description and the following detailed description are exemplary and explanatory of the disclosure and are not intended to be restrictive thereof.

[0052] While specific language has been used to describe the disclosure, any limitations arising on account of the same are not intended. As would be apparent to a person skilled in the art, various working modifications may be made to the method in order to implement the inventive concept as taught herein. The figures and the foregoing description give examples of embodiments. Those skilled in the art will appreciate that one or more of the described elements may well be combined into a single functional element. Alternatively, certain elements may be split into multiple functional elements. Elements from one embodiment may be added to another embodiment. For example, the order of processes described herein may be changed and are not limited to the manner described herein. Moreover, the actions of any flow diagram need not be implemented in the order shown; nor do all of the acts need to be necessarily performed. Also, those acts that are not dependent on other acts may be performed in parallel with the other acts. The scope of embodiments is by no means limited by these specific examples.

Claims

I CLAIM:

1. A method (100) for creating an emergency exit to rescue a user in an elevator comprising: detecting, by a sensor, an appropriate floor for the rapid rescue latch operation when an elevator is stuck between floors; (110) allowing, by a rapid rescue latch safety unit, manual operation of the door of the elevator upon activation by an operator in an occurrence of the stalled elevator; (120) removing, by a rubber beading removal tool, a rubber beading affixed along length of a surface of the elevator; (130) unfastening, by a fastening removal tool, a plurality of screws, wherein the plurality of screws comprising counter sink screws; (140) removing, by the fastening removal tool, top and bottom outer L-rings from a shaft of the elevator; (150) inserting, by an acrylic panel removal tool, at a first end of the acrylic panels on a surface of the elevator shaft to pull them out, wherein the removal direction is outside the lift boundaries; (160) removing, by the acrylic panel removal tool, acrylic panels inside the lift cabin, wherein the removal direction is outside the lift boundaries; and (170) rescuing individuals trapped inside the stalled elevator through an exit opening formed upon the removal of the acrylic panels. (180)2. The method (100) as claimed in claim 1, wherein a continuous communication with a plurality of trapped occupants is maintained for gathering essential information during the rescue operation.

3. The method (100) as claimed in claim 1, wherein the elevator is a pneumatic vacuum elevator.

4. The emergency method (100) as claimed in claim 1, wherein the rubber beading is removed with a removal tool.

5. The method (100) as claimed in claim 4, wherein the removal tool is a one of a screwdriver, drilling machine and a plurality of Allen keys.

6. The method (100) as claimed in claim 1, wherein the acrylic panel removal tool is a flat head screwdriver.

7. The method (100) as claimed in claim 1, wherein the acrylic panels are composed of polycarbonate sheets.

8. The method (100) as claimed in claim 1, wherein the plurality of screws is positioned a top and bottom edges of the acrylic panels of the elevator.

9. The method (100) as claimed in claim 1, wherein the counter sink screws are used to securely connect the outer L-ring to the shaft of the elevator under normal operating conditions.

10. A system (300) for creating an emergency exit to rescue a user in an elevator comprising: a sensor configured to detect an appropriate floor for the emergency exit when the elevator is stuck between floors;a rapid rescue latch safety unit adapted to allow manual operation of a door (310) of the elevator upon activation by an operator; a rubber beading removal tool utilized by the operator to remove a rubber beading (350) affixed along length of a surface of the elevator; a fastening removal tool utilized by the operator to unfasten a plurality of screws (340), wherein the plurality of screws (340) comprises counter sink screws and remove a top and bottom outer L-rings (330a, 330b) from a shaft of the elevator; and an acrylic panel removal tool inserted by the operator at a first end of the acrylic panels (320) on a surface of the elevator shaft to pull them out, wherein the removal direction is outside the lift boundaries and utilized by the operator to remove acrylic panels (320) inside the lift cabin, wherein the removal direction is outside the lift boundaries thereby creating an emergency exit created to rescue one or more users trapped inside the stalled elevator.

11. A pneumatic vacuum elevator (200) comprising: an external cylinder assembly (210) comprising the elevator cabin (220) inserted therein, wherein the external cylinder assembly (210) comprises a plurality of cylinders coupled using a base ring assembly (211) and a band ring assembly (212); a guide rail pillar (213) mechanically coupled to the elevator cabin (220), wherein the guide rail pillar (213) is disposed at the external cylinder assembly (210), wherein the guide rail pillar (213) is configured to guide an actuation of the elevator cabin (220); a polycarbonate sheet (214) configured to cover the external cylinder assembly (210), wherein the polycarbonate sheet (214) and the external cylinder assembly (210) is coupled using a first locking device and a second locking device,wherein the first locking device is configured to lock an air gap between the polycarbonate sheet (214), the base ring assembly (211) and the external cylinder assembly (210) and the second locking device is configured to lock air gap between the polycarbonate sheet (214) and the guide rail pillar (213); a seal assembly (215) adapted to fit over a top portion of the elevator cabin (220), wherein the seal assembly (215) is configured to seal the elevator cabin (220) to reduce vibrations during upward and downward movement of the elevator cabin (220), wherein the seal assembly (215) comprises a depressurizing system configured to prevent the elevator cabin (220) from coming into force contact with the external cylinder assembly during upward movement and contribute to safety of an elevator operation; and an electronic control unit (225) located on top of the external cylinder assembly (210).

Citation Information

Patent Citations

  • Rescue operation device for elevator and rescue operation method for elevator

    JP2015101423A

  • Elevator

    JP2019142698A

  • Emergency escape system for elevator

    KR101561080B1