A frame structure of an elevator cabin door and a method to assemble the same

The frame structure for elevator cabin doors, utilizing aluminum die casting for components, addresses alignment and assembly challenges by ensuring proper alignment and reducing assembly time.

WO2025243222A1PCT designated stage Publication Date: 2025-11-27VISHAL RUPHAVATHY
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Patent Information

Application Number
PCT/IB2025/055274
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-05-22
Filing Date
2025-05-21
Publication Date
2025-11-27

AI Technical Summary

Technical Problem

Assembling elevator cabin doors poses challenges such as alignment issues and mechanical malfunctions, leading to inefficient and time-consuming assembly processes.

Method used

A frame structure for elevator cabin doors comprising a first and second curved frame, cabin pillars, and access guides, along with fasteners, allowing for proper alignment and easy assembly using aluminum die casting for durability and cost-effectiveness.

Benefits of technology

The frame structure ensures proper alignment and reduces assembly time, providing a durable and efficient assembly process for elevator cabin doors.

✦ Generated by Eureka AI based on patent content.

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Abstract

A frame structure (100) of a door (130) for an elevator cabin (220) is disclosed The frame structure includes a first curved frame (102), a first cabin pillar (106), a second cabin pillar (114), and a second curved frame (120). The first curved frame includes a first access guide (104) to receive a first side of a polycarbonate sheet, a second access 5 guide (108) to receive a second side of the polycarbonate sheet and a first rib (110) allows a fitment between the first curved frame and the first cabin pillar by means of a plurality of first fasteners. The second cabin pillar allows a fitment between a second curved frame and the second cabin pillar by means of a plurality of second fasteners. The second curved frame includes a fourth access guide to receive a fourth side of the 10 polycarbonate sheet, thereby forming the frame structure of the door.
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Description

[0001] A FRAME STRUCTURE OF AN EEEVATOR CABIN DOOR AND A METHOD TO ASSEMBEE THE SAME

[0002] EARLIEST PRIORITY DATE:

[0003] This Application claims priority from a complete patent application filed in India having Patent Application No. 202441040019, filed on 22nd day of May 2024, and titled “A FRAME STRUCTURE OF AN ELEVATOR CABIN DOOR AND A METHOD TO ASSEMBLE THE SAME”

[0004] FIELD OF INVENTION

[0005] Embodiments of the present disclosure relate to elevators and more particularly to a frame structure of an elevator cabin door and a method to assemble the same.

[0006] BACKGROUND

[0007] The development of elevators was led by the need for the movement of heavy materials and lifting goods. The elevators are vertical transportation devices designed to move people or goods between floors or levels within a building or structure. Further, the elevators is an essential part of modern architecture, allowing for efficient vertical movement in tall buildings. The elevators provide easy transportation and are time-saving technology. Also, the elevators have space-saving designs, enhanced security, are useful in emergency situations, and the like. Several types of elevators are available such as pneumatic elevator systems, vacuum elevator systems, and the like. Components of the elevators includes elevator cabin, control systems, door, and the like.

[0008] Assembling elevator doors may pose various challenges, which can impact their functionality, safety, and overall performance. The various challenges includes alignment issues where proper alignment of the door panels, tracks, and rollers is crucial for smooth operation, mechanical malfunctions where components such as hinges, rollers, and door operators need to be installed correctly to ensure reliable operation. Improper assembly of these parts can result in mechanical failures, such as doors getting stuck or not opening / closing smoothly. Also, the current system have complicated assembling method of the frame structure of the elevator cabin. There are many improvements in vacuum elevator system, more particularly, the frame whereby the components of the system are easy to assemble the cabin door frame with hinges fitment. Further, the current systems require more assembling time to make the cabin door frame in the cabin.

[0009] Hence, there is a need for a frame structure of an elevator cabin door and a method to assemble the same to address the aforementioned issue(s).

[0010] OBJECTIVE OF THE INVENTION

[0011] An objective of the present invention is to provide a frame structure of a door for an elevator cabin which is assembled in proper alignment.

[0012] Another objective of the present invention is to provide a frame structure of a door for an elevator cabin which reduces time for assembling the frame structure of the door.

[0013] Yet, another objective of the present invention is to provide easy assembling of the frame structure of the elevator cabin.

[0014] BRIEF DESCRIPTION

[0015] In accordance with an embodiment of the present disclosure a frame structure of an elevator cabin door and a method to assemble the same is provided. The frame structure includes a first curved frame, a first cabin pillar, a second cabin pillar, and a second curved frame. The first curved frame includes a first access guide adapted to receive a first side of a poly carbonate sheet. The first cabin pillar is connected to a proximal end of the first curved frame through a proximal end of the first pillar. The first cabin pillar includes a second access guide and a first rib. The second access guide is adapted to receive a second side of the poly carbonate sheet. The first rib is disposed between the first curved frame and the first cabin pillar. The first rib is adapted to allow a fitment between the first curved frame and the first pillar by means of a plurality of first fasteners. The second cabin pillar is positioned at a predefined distance from the first cabin pillar and connected to a distal end of the first curved frame through a proximal end of the second cabin pillar. The second cabin pillar includes a third access guide and a second rib. The third access guide is adapted to receive a third side of the poly carbonate sheet. The second rib is disposed between the second curved frame and the second pillar. The second rib is adapted to allow a fitment between a second curved frame and the second cabin pillar by means of a plurality of second fasteners. The second curved frame connected to distal end of the first pillar and the second pillar through a proximal end of the second curved frame and a distal end of the second frame respectively, wherein the second curved frame includes a fourth access guide adapted to receive a fourth side of the poly carbonate sheet, thereby forming the frame structure of the door for the elevator cabin.

[0016] In accordance with another embodiment of the present disclosure, a method for assembling a frame structure of an elevator cabin door is provided. The method includes receiving, by a first access guide of a first curved frame, a first side of a poly carbonate sheet. The method also includes connecting, a first cabin pillar to a proximal end of the first curved frame through a proximal end of the first pillar. Further, the method includes receiving, by a second access guide adapted of the first cabin pillar, a second side of the poly carbonate sheet. Furthermore, the method includes allowing, by a first rib of the first cabin pillar, a fitment between the first curved frame and the first pillar by means of a plurality of first fasteners. Furthermore, the method includes receiving, by a third access guide of a second cabin pillar, a third side of the poly carbonate sheet. Furthermore, the method includes allowing, by a second rib of the second pillar, a fitment between the second curved frame and the second pillar by means of a plurality of second fasteners. Furthermore, the method includes connecting, the second curved frame to distal end of the first pillar and the second pillar through a proximal end of the second curved frame and a distal end of the second frame respectively, wherein the second curved frame includes a fourth access guide adapted to receive a fourth side of the poly carbonate sheet, thereby forming the frame structure of the door for the elevator cabin.

[0017] 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 guide rail pillar is configured to guide an actuation of the elevator cabin. The elevator also includes a polycarbonate sheet is 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 also includes a frame structure of a door for an elevator cabin mechanically coupled with the external cylinder assembled. The frame structure includes a first curved frame, a first cabin pillar, a second cabin pillar, and a second curved frame. The first curved frame includes a first access guide adapted to receive a first side of a poly carbonate sheet. The first cabin pillar is connected to a proximal end of the first curved frame through a proximal end of the first pillar. The first cabin pillar includes a second access guide and a first rib. The second access guide is adapted to receive a second side of the poly carbonate sheet. The first rib is disposed between the first curved frame and the first cabin pillar. The first rib is adapted to allow a fitment between the first curved frame and the first pillar by means of a plurality of first fasteners. The second cabin pillar is positioned at a predefined distance from the first cabin pillar and connected to a distal end of the first curved frame through a proximal end of the second cabin pillar. The second cabin pillar includes a third access guide and a second rib. The third access guide is adapted to receive a third side of the poly carbonate sheet. The second rib is disposed between the second curved frame and the second pillar. The second rib is adapted to allow a fitment between a second curved frame and the second cabin pillar by means of a plurality of second fasteners. The second curved frame connected to distal end of the first pillar and the second pillar through a proximal end of the second curved frame and a distal end of the second frame respectively, wherein the second curved frame includes a fourth access guide adapted to receive a fourth side of the poly carbonate sheet, thereby forming the frame structure of the door for the elevator cabin. Further, the elevator includes a seal assembly adapted to fit over a top portion of the elevator cabin. 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 includes 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. Furthermore, the elevator includes an electronic control unit located on top of the external cylinder assembly.

[0018] 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.

[0019] BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The disclosure will be described and explained with additional specificity and detail with the accompanying figures in which:

[0021] FIG. 1 is an exploded view of a frame structure of an elevator cabin door in accordance with an embodiment of the present disclosure;

[0022] FIG. 2a is schematic representation of a cross-sectional view a first curved frame of the elevator cabin depicting arc shape of FIG. 1 , in accordance with an embodiment of the present disclosure;

[0023] FIG. 2b is schematic representation of a front view the first curved frame of the elevator cabin door of FIG. 1, in accordance with an embodiment of the present disclosure;

[0024] FIG. 2c is schematic representation of a top view the first curved frame of the elevator cabin door depicting arc shape of FIG. 1, in accordance with an embodiment of the present disclosure;

[0025] FIG. 2d is schematic representation of a perspective view the first curved frame of the elevator cabin door depicting arc shape of FIG. 1, in accordance with an embodiment of the present disclosure;

[0026] FIG. 3 a is a schematic representation of a first cabin pillar and a second cabin pillar of FIG. 1 in accordance with an embodiment of the present disclosure; FIG. 3b is a schematic representation of a sectional view of a first cabin pillar and a second cabin pillar of FIG. 1 in accordance with an embodiment of the present disclosure;

[0027] FIG. 4 is a schematic representation of pneumatic vacuum elevator in accordance with an embodiment of the present disclosure; and

[0028] FIG. 5 is a flow chart representing the steps involved in a method for assembling the frame structure of an elevator cabin in accordance with an embodiment of the present disclosure.

[0029] 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.

[0030] DETAILED DESCRIPTION

[0031] 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.

[0032] 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 sub-systems 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.

[0033] 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.

[0034] 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.

[0035] Embodiments of the present disclosure relate to a frame structure of an elevator cabin door. The frame structure includes a first curved frame, a first cabin pillar, a second cabin pillar, and a second curved frame. The first curved frame includes a first access guide adapted to receive a first side of a poly carbonate sheet. The first cabin pillar is connected to a proximal end of the first curved frame through a proximal end of the first pillar. The first cabin pillar includes a second access guide and a first rib. The second access guide is adapted to receive a second side of the poly carbonate sheet. The first rib is disposed between the first curved frame and the first cabin pillar. The first rib is adapted to allow a fitment between the first curved frame and the first pillar by means of a plurality of first fasteners. The second cabin pillar is positioned at a predefined distance from the first cabin pillar and connected to a distal end of the first curved frame through a proximal end of the second cabin pillar. The second cabin pillar includes a third access guide and a second rib. The third access guide is adapted to receive a third side of the poly carbonate sheet. The second rib is disposed between the second curved frame and the second pillar. The second rib is adapted to allow a fitment between a second curved frame and the second cabin pillar by means of a plurality of second fasteners. The second curved frame connected to distal end of the first pillar and the second pillar through a proximal end of the second curved frame and a distal end of the second frame respectively, wherein the second curved frame includes a fourth access guide adapted to receive a fourth side of the poly carbonate sheet, thereby forming the frame structure of the door for the elevator cabin. FIG. 1 is an exploded view of a frame structure for of an elevator cabin door in accordance with an embodiment of the present disclosure. The elevator cabin can be a pneumatic vacuum elevator.

[0036] The frame structure (100) of a door for an elevator cabin (220, FIG. 4) includes a first curved frame (102), a first cabin pillar (106), a second cabin pillar (114), and a second curved frame (120). In one embodiment, the first curved frame (102), and the second curved frame (120) are manufactured by an aluminium die casting process and fabricated by aluminium.

[0037] The first curved frame (102) includes a first access guide (104, shown in FIG. 2b) adapted to receive a first side of a polycarbonate sheet (214). In one embodiment, the first curved frame (102) is made by the aluminium pressure die casting process which is curved shape. In one embodiment, the polycarbonate sheet (214) is placed in the second access guide (108) and the first curved frame (102), wherein the first curved frame (102) is also called as casting parts.

[0038] The first cabin pillar (106) is connected to a proximal end of the first curved frame (102) through a proximal end of the first cabin pillar (106). The first cabin pillar (106) includes a second access guide (108) adapted to receive a second side of the polycarbonate sheet (214). The first cabin pillar (106) also includes a first rib (110, shown in FIG. 3b) disposed between the first curved frame (102) and the first cabin pillar (106). The first rib (110, shown in FIG. 3b) is adapted to allow a fitment between the first curved frame (102) and the first cabin pillar (106) by means of a plurality of first fasteners (112, shown in FIG. 3b). In one embodiment, the plurality of first fasteners (112) is a plurality of self-drilling screws.

[0039] The second cabin pillar (114) is positioned at a predefined distance from the first cabin pillar (106) and connected to a distal end of the first curved frame (102) through a proximal end of the second cabin pillar (114). The second cabin pillar (114) includes a third access guide (116, shown in FIG. 2c) adapted to receive a third side of the poly carbonate sheet (214). The second cabin pillar (114) also includes a second rib (118, shown in Fig. 3b) disposed between the second curved frame (120) and the second cabin pillar (114). The second rib (118) is adapted to allow a fitment between a second curved frame (120) and the second cabin pillar (114) by means of a plurality of second fasteners (122, shown in FIG. 3b). In one embodiment, the plurality of second fasteners (122) is a plurality of self-drilling screws. The second curved frame (120) is connected to distal end of the first cabin pillar (106) and the second pillar (114) through a proximal end of the second curved frame (120) and a distal end of the second curved frame (120) respectively.

[0040] The second curved frame (120) includes a fourth access guide (124) adapted to receive a fourth side of the poly carbonate sheet (214), thereby forming the frame structure of the door for the elevator cabin (220). The first curved frame (102) comprises a second insert guide (128, shown in FIG. 2c) positioned at each of the proximal end of the second curved frame (120) and the distal end of the second curved frame (120). In one embodiment, the second insert guide (128) is positioned at the distal end of the first curved frame (102) and the distal end of the second curved frame (120) are adapted to mate with a cavity located in the proximal end of each of the first cabin pillar (106) and second cabin pilar (114) respectively to secure the first curved frame (102) to each of the first cabin pillar (106) and the second cabin pillar (114). In one embodiment, the second curved frame (114) is made by the aluminium pressure die casting process which is curved shape. In one embodiment, the polycarbonate sheet (214) is placed in the third access guide that is extrusion parts and the second curved frame (120) that is casting parts.

[0041] FIG. 2a is schematic representation of a cross-sectional view a first curved frame of the elevator cabin depicting arc shape of FIG. 1, in accordance with an embodiment of the present disclosure, FIG. 2b is schematic representation of a front view the first curved frame of the elevator cabin door of FIG. 1, in accordance with an embodiment of the present disclosure, FIG. 2c is schematic representation of a top view the first curved frame of the elevator cabin door depicting arc shape of FIG. 1, in accordance with an embodiment of the present disclosure, and FIG. 2d is schematic representation of a perspective view the first curved frame of the elevator cabin door depicting arc shape of FIG. 1, in accordance with an embodiment of the present disclosure.

[0042] In one embodiment, the first curved frame (102) includes a first insert guide (126) positioned at each proximal end of the first curved frame (102) and the distal end of the first curved frame (102). In one embodiment, the insert guide (126) is positioned at the proximal end of the first curved frame (102) and the proximal end of the second curved frame (120) are adapted to mate with a cavity located in the proximal end of each of the first cabin pillar (106) and second cabin pilar (114) respectively to secure the first curved frame (102) to each of the first cabin pillar (102) and the second cabin pillar (120).

[0043] FIG. 3 a is a schematic representation of a first cabin pillar and a second cabin pillar of FIG. 1 in accordance with an embodiment of the present disclosure. In one embodiment, the first cabin pillar (106) and the second cabin pillar (114), are manufactured by an aluminium die casting process and fabricated by an aluminium. In one embodiment, the first cabin pillar (106) and the second cabin pillar (114) are made by the aluminium extrusions process with single part structure designed by a section profile. In one embodiment, aluminum pressure die casting is a manufacturing process used to produce high-quality, complex aluminum parts with tight tolerances. It is a versatile and cost-effective method for mass production of aluminum components.

[0044] FIG. 3b is a schematic representation of the first cabin pillar (106) and the second cabin pillar (114) of FIG. 1 in accordance with an embodiment of the present disclosure. In one embodiment, the plurality of first fasteners (112, shown in FIG. 1) and the plurality of second fasteners (122, shown in FIG 1) are self-drilling screws. In one embodiment, the first cabin pillar (106) includes a first fixing rib (110) for fitment between the first cabin pillar (106) and first curved frame (102). In one embodiment, the second cabin pillar (114) includes a second fixing rib (118) for fitment between the second cabin pillar (114) and the second curved frame (120). In one embodiment, the frame structure (100) includes an inner surface (132) positioned an inner side of the frame structure and an outer surface (134) positioned at an outer side of the frame structure. In another embodiment, the frame structure (100) also includes a curved edge (136) of the frame structure.

[0045] FIG. 4 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 (102) 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).

[0046] 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).

[0047] Further, the pneumatic vacuum elevator 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).

[0048] Furthermore, the pneumatic vacuum elevator includes a frame structure of a door for an elevator cabin mechanically coupled with the external cylinder assembly. The frame structure includes a first curved frame (102), a first cabin pillar (106), a second cabin pillar (114), and a second curved frame (120). The first curved frame (102) includes a first access guide (104) adapted to receive a first side of a polycarbonate sheet. The first cabin pillar (106) is connected to a proximal end of the first curved frame (102) through a proximal end of the first cabin pillar (106). The first cabin pillar (106) also includes a second access guide (108) adapted to receive a second side of the polycarbonate sheet; and a first rib (110) disposed between the first curved frame (102) and the first cabin pillar (106). The first rib (110) is adapted to allow a fitment between the first curved frame (102) and the first cabin pillar (106) by means of a plurality of first fasteners (112).

[0049] The first cabin pillar (106) also includes a second cabin pillar (114) positioned at a predefined distance from the first cabin pillar (106) and connected to a distal end of the first curved frame (102) through a proximal end of the second cabin pillar (114). The second cabin pillar (114) includes a third access guide (116) adapted to receive a third side of the poly carbonate sheet. The second cabin pillar (114) also includes a second rib (118) disposed between the second curved frame and the second pillar, wherein the second rib (118) is adapted to allow a fitment between a second curved frame (120) and the second cabin pillar (114) by means of a plurality of second fasteners (122). The second curved frame (120) connected to distal end of the first cabin pillar (106) and the second pillar (114) through a proximal end of the second curved frame (120) and a distal end of the second curved frame (120) respectively, wherein the second curved frame (120) comprises a fourth access guide (124) adapted to receive a fourth side of the poly carbonate sheet, thereby forming the frame structure of the door for the elevator cabin.

[0050] Moreover, the pneumatic vacuum elevator 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) 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.

[0051] Moreover, the pneumatic vacuum elevator includes an electronic control unit (225) located on top of the external cylinder assembly (210).

[0052] FIG. 5 is a flow chart representing the steps involved in a method for assembling the frame structure of the elevator cabin door of an elevator cabin in accordance with an embodiment of the present disclosure.

[0053] The method (300) includes receiving, by a first access guide of a first curved frame, a first side of a poly carbonate sheet in step (302). The method (300) also includes manufacturing, the first curved frame by aluminium (Al) die casting process by using aluminum. The method also includes providing, a second insert guide positioned at each of the proximal end of the second curved frame and the distal end of the second curved frame. In one embodiment, the second insert guide positioned at the distal end of the first curved frame and the distal end of the second curved frame are adapted to mate with a cavity located in the proximal end of each of the first cabin pillar and second cabin pilar respectively to secure the first curved frame (102) to each of the first cabin pillar (106) and the second cabin pillar (114). The method (300) also includes providing, a first insert guide positioned at each proximal end of the first curved frame and the distal end of the first curved frame.

[0054] The method (300) also includes connecting, a first cabin pillar to a proximal end of the first curved frame through a proximal end of the first pillar in step (304). The method (300) also includes manufacturing, the first cabin pillar by an aluminium die casting process and fabricated by aluminium.

[0055] Further, the method (300) includes receiving, by a second access guide adapted of the first cabin pillar, a second side of the poly carbonate sheet in step (306).

[0056] Furthermore, the method (300) includes allowing, by a first rib of the first cabin pillar, a fitment between the first curved frame and the first pillar by means of a plurality of first fasteners in step (308). In one embodiment, the plurality of first fasteners is a plurality of self-drilling screws.

[0057] Furthermore, the method (300) includes receiving, by a third access guide of a second cabin pillar, a third side of the poly carbonate sheet in step (310). The method (300) also includes manufacturing, the second cabin pillar (114), by an aluminium die casting process and fabricated by aluminium.

[0058] Furthermore, the method (300) includes allowing, by a second rib of the second pillar, a fitment between the second curved frame and the second pillar by means of a plurality of second fasteners in step (312). In one embodiment, the plurality of second fasteners are a plurality of self-drilling screws.

[0059] Furthermore, the method (300) includes connecting, the second curved frame to distal end of the first pillar and the second pillar through a proximal end of the second curved frame and a distal end of the second frame respectively, wherein the second curved frame comprises a fourth access guide adapted to receive a fourth side of the poly carbonate sheet, thereby forming the frame structure of the door for the elevator cabin in step (314). The method (300) also includes manufacturing, the second curved frame by the aluminium die casting process and fabricated by the aluminium. The method (300) also includes positioning, an inner surface positioned an inner side of the frame structure, an outer surface (134) at an outer side of the frame structure, and a curved edge (136) of the frame structure.

[0060] Various embodiments of the present disclosure provide a frame structure of a door for an elevator cabin which is assembled in proper alignment. The frame structure disclosed in the present disclosure reduces time of assembling the frame structure of the door. The frame structure disclosed in the present disclosure provide easy assembling of the frame structure of the door of the elevator cabin. The first cabin pillar, the second cabin pillar, the first curved frame, and the second curved frame disclosed in the present disclosure are manufactured by the aluminium die casting process which is cost effective process. The first cabin pillar, the second cabin pillar, the first curved frame, and the second curved frame disclosed in the present disclosure are durable as produced by the aluminium die casting process.

[0061] Furthermore, there is no intention to be bound by any expressed or implied theory presented in the preceding technical field, background, brief summary or the detailed description. It is also to be understood that the specific devices and processes illustrated in the attached drawings, and described in the specification, are simply exemplary embodiments of the inventive concepts defined in the appended claims. Hence, specific dimensions and other physical characteristics relating to the embodiments disclosed herein are not to be considered as limiting, unless the claims expressly state otherwise.

[0062] 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 (250) in order to implement the inventive concept as taught herein.

[0063] 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, 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 frame structure (100) of an elevator cabin (220) door comprising: a first curved frame (102) comprising a first access guide (104) adapted to receive a first side of a polycarbonate sheet (214); a first cabin pillar (106) connected to a proximal end of the first curved frame (102) through a proximal end of the first cabin pillar (106), wherein the first cabin pillar (106) comprises: a second access guide (108) adapted to receive a second side of the polycarbonate sheet; and a first rib (110) disposed between the first curved frame (102) and the first cabin pillar (106), wherein the first rib (110) is adapted to allow a fitment between the first curved frame (102) and the first cabin pillar (106) by means of a plurality of first fasteners (112); a second cabin pillar (114) positioned at a predefined distance from the first cabin pillar (106) and connected to a distal end of the first curved frame (102) through a proximal end of the second cabin pillar (114), wherein the second cabin pillar (114) comprises: a third access guide (116) adapted to receive a third side of the poly carbonate sheet; and a second rib (118) disposed between the second curved frame and the second pillar, wherein the second rib (118) is adapted to allow a fitment between a second curved frame (120) and the second cabin pillar (114) by means of a plurality of second fasteners (122); and the second curved frame (120) connected to distal end of the first cabin pillar (106) and the second pillar (114) through a proximal end of the second curved frame (120) and a distal end of the second curved frame (120) respectively, wherein the second curved frame (120) comprises a fourth access guide (124) adapted to receive afourth side of the poly carbonate sheet, thereby forming the frame structure of the door for the elevator cabin (220).

2. The frame structure (100) as claimed in claim 1, wherein the first curved frame (102) comprises a first insert guide (126) positioned at each proximal end of the first curved frame (102) and the distal end of the first curved frame (102).

3. The frame structure (100) as claimed in claim 2, wherein the insert guide (126) is positioned at the proximal end of the first curved frame (102) and the proximal end of the second curved frame (120) are adapted to mate with a cavity located in the proximal end of each of the first cabin pillar (106) and second cabin pilar (114) respectively to secure the first curved frame (102) to each of the first cabin pillar (102) and the second cabin pillar (120).

4. The frame structure (100) as claimed in claim 1, wherein the first curved frame (102) comprises a second insert guide (128) positioned at each of the proximal end of the second curved frame (120) and the distal end of the second curved frame (120).

5. The frame structure (100) as claimed in claim 4, wherein the second insert guide (128) positioned at the distal end of the first curved frame (102) and the distal end of the second curved frame (120) are adapted to mate with a cavity located in the proximal end of each of the first cabin pillar (106) and second cabin pilar (114) respectively to secure the first curved frame (102) to each of the first cabin pillar (106) and the second cabin pillar (114).

6. The frame structure (100) as claimed in claim 1, wherein the first cabin pillar (106), the second cabin pillar (114), the first curved frame (102), and the second curved frame (120) are manufactured by an aluminium die casting process and fabricated by an aluminium.

7. The frame structure (100) as claimed in claim 1, comprises an inner surface (132) positioned an inner side of the frame structure, an outer surface (134) is positioned at an outer side of the frame structure, and a curved edge (136) of the frame structure.

8. The frame structure (100) as claimed in claim 1, wherein the plurality of first fasteners (112) and the plurality of second fasteners (122) are a plurality of self-drilling screws.

9. A method (300) comprising: receiving, by a first access guide of a first curved frame, a first side of a poly carbonate sheet; (302) connecting, a first cabin pillar to a proximal end of the first curved frame through a proximal end of the first pillar; (304) receiving, by a second access guide adapted of the first cabin pillar, a second side of the poly carbonate sheet; (306) allowing, by a first rib of the first cabin pillar, a fitment between the first curved frame and the first pillar by means of a plurality of first fasteners; (308) receiving, by a third access guide of a second cabin pillar, a third side of the poly carbonate sheet; (310) allowing, by a second rib of the second pillar, a fitment between the second curved frame and the second pillar by means of a plurality of second fasteners; (312) and connecting, the second curved frame to distal end of the first pillar and the second pillar through a proximal end of the second curved frame and a distal end of the second frame respectively, wherein the second curved frame comprises a fourth access guide adapted to receive a fourth side of the poly carbonate sheet, thereby forming the frame structure of the door for the elevator cabin. (314)10. A pneumatic vacuum elevator (200) comprising: an external cylinder assembly (210) comprising an 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 frame structure of a door for an elevator cabin mechanically coupled with the external cylinder assembly comprising: a first curved frame (102) comprising a first access guide (104) adapted to receive a first side of a polycarbonate sheet; a first cabin pillar (106) connected to a proximal end of the first curved frame (102) through a proximal end of the first cabin pillar (106), wherein the first cabin pillar (106) comprises: a second access guide (108) adapted to receive a second side of the polycarbonate sheet; and a first rib (110) disposed between the first curved frame (102) and the first cabin pillar (106), wherein the first rib (110) is adapted to allow a fitment between the first curved frame (102) and the first cabin pillar (106) by means of a plurality of first fasteners (112); a second cabin pillar (114) positioned at a predefined distance from the first cabin pillar (106) and connected to a distal end of the first curved frame (102) through a proximal end of the second cabin pillar (114), wherein the second cabin pillar (114) comprises:a third access guide (116) adapted to receive a third side of the poly carbonate sheet; and a second rib (118) disposed between the second curved frame and the second pillar, wherein the second rib (118) is adapted to allow a fitment between a second curved frame (120) and the second cabin pillar (114) by means of a plurality of second fasteners (122); and the second curved frame (120) connected to distal end of the first cabin pillar (106) and the second pillar (114) through a proximal end of the second curved frame (120) and a distal end of the second curved frame (120) respectively, wherein the second curved frame (120) comprises a fourth access guide (124) adapted to receive a fourth side of the poly carbonate sheet, thereby forming the frame structure of the door for the elevator cabin. 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 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

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