Description:FIELD OF THE INVENTION

[0001] The present invention relates to a door closure installation assistive device that provides users with a highly accessible and effective means for installing door closures on various types of doors, ensuring precision and minimizing manual labor through automation.

BACKGROUND OF THE INVENTION

[0002] Installation of door closures typically requires manual measurement, marking, drilling, and fastening, which can be time-consuming and prone to human error, especially on uneven surfaces or doors of varying materials and thicknesses. Conventional methods rely heavily on skilled labor and manual tools, which may result in inaccurate installation, damage to door surfaces, or improper fitting that affects door functionality.

[0003] Additionally, current installation aids lack automation capabilities to adapt to different door types and environmental conditions. Manual installation is further complicated when the door surface is uneven or when the door material is unknown, requiring additional inspection and adjustment. There is also a lack of solutions that provide real-time feedback to the installer regarding door thickness, material type, and termite presence, which can impact installation quality and longevity.

[0004] US4222147A discloses hydraulic door closer apparatus includes means for counter-balancing the bias of a return spring, to either assist in opening the door by reducing the force needed to open, or, in an alternative embodiment and mode of operation, to open the door by over-balancing the bias of the return spring. In the latter mode, a remotely manually operable switch, such as, for example, a so-called palm button, may initiate opening the door.

[0005] US6317996B1 discloses an installation template for installing a door closer. The installation consists of an under sheet coated with a release agent and two installation templates, a pull side template and a push side template, both coated with a self-stick adhesive, attached to the under sheet. The pull side template and the push side template include two sets of written instructions, each set being upside down to the other set, which permits each template to be used for both right hand and left-hand installations. The use of both pulls side and push side templates on the single under sheet along with the two sets of written instructions, allows a single template to be used for both push side installation and pull side installation of both right hand and left-hand doors.

[0006] As per the discussion of existing prior art, many tools and devices assist in door closure installation, but none provide a solution provides surface levelling, dimension detection, drilling, and automated fastening along with termite detection. In addition, the tools and devices do not provide guided installation and automated storage and retrieval of installation components, which limits efficiency and accuracy.

[0007] In order to overcome the aforementioned drawbacks, there exists a need in the art to develop a device that requires to be capable of streamlining the process of installation of door closures on various types of doors by dimension detection, door thickness and material identification, for drilling and fastening. In addition, such a device should provide markings, automated retrieval and real-time user notifications regarding door conditions, thereby ensuring precise, efficient, and reliable installation of door closures on various door types and surfaces.

OBJECTS OF THE INVENTION

[0008] The principal object of the present invention is to overcome the disadvantages of the prior art.

[0009] An object of the present invention is to develop a device that is capable of automating measurement and detection of door dimensions and material properties, reducing manual effort and increasing accuracy in determining the exact installation points.

[0010] Another object of the present invention is to develop a device that is capable of alerting the user if the door thickness is below a safe threshold, helping avoid improper installations that leads to compromise door integrity or function.

[0011] Another object of the present invention is to develop a device that is capable of guiding the user visually with clear markings on the door surface, minimizing guesswork and improving installation speed.

[0012] Another object of the present invention is to develop a device that is capable of automating drilling and fastening operations, reducing physical strain and the risk of incorrect assembly while ensuring secure attachment of the door closure.

[0013] Yet another object of the present invention is to develop a device that is capable of detecting internal door issues such as termite infestation, providing early warnings to prevent future damage and maintain door durability.

[0014] The foregoing and other objects, features, and advantages of the present invention will become readily apparent upon further review of the following detailed description of the preferred embodiment as illustrated in the accompanying drawings.

SUMMARY OF THE INVENTION

[0015] The present invention relates to a door closure installation assistive device that is operated by a user to install door closures on doors in residential, commercial, or industrial field. In addition, the device enables accurate measurement and analysis of door dimensions and material properties, while also providing real-time feedback and guidance to the user for optimal installation, thereby improving the quality and reliability of the installed door closure.

[0016] According to an embodiment of the present invention, a door closure installation assistive device, comprising a platform configured with multiple motorized wheels to maneuver the platform over a ground surface, a laser-based sensor is installed over the platform to determine level of the surface, a microcontroller linked with the laser-based sensor that in turn activates a telescopically operated rod attached in between each of the wheels and platform to stabilize the platform over the surface, a touch interactive display panel provided on the platform that is accessed by a user to provide input commands regarding installation of a door closure on a door present in proximity to the platform, an artificial intelligence-based imaging unit installed on the platform to detect dimensions of the door, an optical thickness sensor is integrated with the platform to detect thickness of the door, a speaker installed on the platform to notify the user, a projection unit is installed on the platform configured to display laser-guided markings onto the door surface to indicate installation locations, a spring controlled hammer unit is attached with the platform via a robotic link, to generate knocking sounds on the door surface and a microphone integrated with the platform receives acoustic signals generated by the impact to determine material type of the door.

[0017] According to another embodiment of the present invention, the device further comprises of a L-shaped telescopic bar attached with the body and integrated with a motorized drilling unit, to extend/ retract and position the drilling unit over the determined location, to bore holes at surface of the door; a multi-sectioned storage chamber attached to the platform, to store door closures, screws, nuts, and bolts for automated retrieval during installation, a pair of robotic grippers provided on the platform to grip and engage a door closure with the carved hole, a circular disc mounted on a side section of the platform, comprising interchangeable tools attached to the disc, each via a telescopic link coupled with a ball-and-socket joint for multidirectional movement, a grip-and-twist assembly is integrated between each of the link and tools to provide optimum rotational movement to the tools, for loosening/tightening nuts and bolts with door closures, an acoustic sensor is installed on the platform to detect presence of termites in the door and a battery is associated with the device for supplying power to electrical and electronically operated components associated with the device.

[0018] While the invention has been described and shown with particular reference to the preferred embodiment, it will be apparent that variations might be possible that would fall within the scope of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS

[0019] These and other features, aspects, and advantages of the present invention will become better understood with regard to the following description, appended claims, and accompanying drawings where:
Figure 1 illustrates an isometric view of a door closure installation assistive device.

DETAILED DESCRIPTION OF THE INVENTION

[0020] The following description includes the preferred best mode of one embodiment of the present invention. It will be clear from this description of the invention that the invention is not limited to these illustrated embodiments but that the invention also includes a variety of modifications and embodiments thereto. Therefore, the present description should be seen as illustrative and not limiting. While the invention is susceptible to various modifications and alternative constructions, it should be understood, that there is no intention to limit the invention to the specific form disclosed, but, on the contrary, the invention is to cover all modifications, alternative constructions, and equivalents falling within the spirit and scope of the invention as defined in the claims.

[0021] In any embodiment described herein, the open-ended terms "comprising," "comprises,” and the like (which are synonymous with "including," "having” and "characterized by") may be replaced by the respective partially closed phrases "consisting essentially of," consists essentially of," and the like or the respective closed phrases "consisting of," "consists of, the like.

[0022] As used herein, the singular forms “a,” “an,” and “the” designate both the singular and the plural, unless expressly stated to designate the singular only.

[0023] The present invention relates to a door closure installation assistive device that is accessed by a user for installing door closures on doors based on the specific requirements of the installation. Additionally, the device also automatically assesses the suitability of the door for installation, provides visual and audio guidance for precise positioning, and streamlines the installation process through automated drilling and fastening operations.

[0024] Referring to Figure 1, an isometric view of a door closure installation assistive device is illustrated, comprising a platform 101 configured with multiple motorized wheels 102, a telescopically operated rod 103 attached in between each of the wheels 102 and platform 101, a touch interactive display panel 104 provided on the platform 101, an artificial intelligence-based imaging unit 105 installed on the platform 101, a L-shaped telescopic bar 106 attached with the body and integrated with a motorized drilling unit 107, a multi-sectioned storage chamber 108 attached to the platform 101.

[0025] Figure 1 further illustrates a pair of robotic grippers 109 provided on the platform 101, a circular disc 110 mounted on a side section of the platform 101, comprising interchangeable tools 111 attached to the disc 110, each via a telescopic link 112 coupled with a ball-and-socket joint 113, a grip-and-twist assembly 114 is integrated between each of the link 112 and tools 111, a spring controlled hammer unit 115 is attached with the platform 101 via a robotic link 116, a microphone 117 integrated with the platform 101, a projection unit 118 is installed on the platform 101 and a speaker 119 provided on the platform 101.

[0026] The device disclosed herein includes a platform 101, which serves as a main structure of the device and is developed to be utilized by a user for installation of door closure. The platform 101 is equipped with multiple motorized wheels 102 that enable it to move smoothly over a ground surface. To ensure stability and precise positioning, a laser-based sensor is mounted on the platform 101, which continuously measures the levelness of the surface beneath the platform 101.

[0027] In an embodiment of the present invention, the laser-based sensor typically includes a laser sensor, which emits a focused and narrow beam toward the surface beneath the platform 101. When the laser beam strikes the surface, it gets reflected back towards the sensor. The receiver of the laser sensor captures the reflected light and employs a time-of-flight measurement principle to determine levelness of the surface beneath the platform 101 and transmits this data to a microcontroller connected to the device.

[0028] Based on the surface data, the microcontroller activates telescopically operated rods 103 that are attached between each wheel and the platform 101. These rods 103 extend or retract as needed to stabilize the platform 101, compensating for any unevenness in the ground. The telescopic rods 103 as mentioned herein are powered by a pneumatic unit that utilizes compressed air to extend and retract the rods 103. The process begins with an air compressor which compresses atmospheric air to a higher pressure.

[0029] The air cylinder of the pneumatic unit contains a piston that moves back and forth within the cylinder. The cylinder is connected to one end of the telescopic rods 103. The piston is attached to the telescopically operated rods 103 and its movement is controlled by the flow of compressed air. To extend the telescopic rods 103 the piston activates the air valve to allow compressed air to flow into the chamber behind the piston. As the pressure increases in the chamber, the piston pushes the telescopic rods 103 to the desired length, thereby maintaining a steady base for the subsequent installation processes.

[0030] A touch interactive display panel 104 is integrated onto the platform 101, providing a user-friendly interface through which the user inputs commands related to the installation of a door closure on a nearby door. The touch interactive display panel 104 as mentioned herein is typically an LCD (Liquid Crystal Display) screen that presents output in a visible form. The screen is equipped with touch-sensitive technology, allowing the user to interact directly with the display using their fingers. A touch controller IC (Integrated Circuit) is responsible for processing the analog signals generated when the user inputs details regarding the installation of a door closure on a nearby door. A touch controller is typically connected to the microcontroller through various interfaces which may include but are not limited to PI (Serial Peripheral Interface) or I2C (Inter-Integrated Circuit).

[0031] Upon receiving these commands, the microcontroller activates an artificial intelligence-based imaging unit 105 installed on the platform 101, which captures and analyses the dimensions of the door, including height, width, and possibly other relevant parameters. The artificial intelligence based imaging unit 105 is constructed with a camera lens and a processor, wherein the camera lens is adapted to capture a series of images of the door. The processor carries out a sequence of image processing operations including pre-processing, feature extraction, and classification by utilizing artificial intelligence and machine learning protocols.

[0032] The image captured by the imaging unit 105 is real-time images of the door. The artificial intelligence based imaging unit 105 transmits the captured image signal in the form of digital bits to the microcontroller. The microcontroller upon receiving the image signals compares the received image signal with the pre-fed data stored in a database and constantly determines dimensions of the door, including height, width, and possibly other relevant parameters.

[0033] Using this dimensional data, the microcontroller calculates the exact location on the door surface where the door closure is installed, ensuring precision and optimal placement. The platform 101 is also equipped with an optical thickness sensor designed to measure the thickness of the door. In an embodiment of the present invention, the optical thickness sensor operates on the principle of using light to precisely measure the physical thickness of a door. The sensor directs a beam of light often from a laser onto the door surface. When this light encounters the door, part of it is reflected off the front surface, while another portion penetrates the material and is reflected back from the rear surface within the door if it is a composite or layered structure.

[0034] These reflected light beams are collected and sent to the microcontroller, which analyses the time delay or phase difference between the reflected signals from the front and back surfaces. This difference corresponds to the optical path length, which is the product of the physical thickness and the refractive index of the door material.

[0035] If the sensor detects that the door thickness falls below a predefined threshold value, the microcontroller triggers a speaker 119 installed on the platform 101 to alert the user. The speaker 119 is capable of producing clear and natural sound and is capable of adjusting its volume based on ambient noise levels. The speaker 119 consists of audio information, which is in the form of recorded voice, synthesized voice, or other sounds, generated or stored as digital data. This data is often in the form of an audio file. The digital audio data is sent to a digital-to-analog converter (DAC).

[0036] The DAC converts the digital data into analog electrical signals. The analog signal is often weak and needs to be amplified. An amplifier boosts the strength to a level so that the speaker 119 drives it effectively. The amplified audio signal is then sent to the speaker 119. The core of the speaker 119 is an electromagnet attached to a flexible cone. These sound waves travel through the air as pressure waves and are picked by the user’s ear. This notification serves as a warning that the door may not meet the minimum thickness requirements for safe or effective installation of the door closure, allowing the user to take appropriate action or precautions.

[0037] A projection unit 118 is installed on the platform 101, which is capable of projecting laser-guided markings directly onto the surface of the door. In an embodiment of the present invention, the projecting unit used herein is a laser projection unit 118, which serves as a visual guide for the user, making it simple for installation locations. The microcontroller sends a signal to the laser projection unit 118 to highlight the installation locations.

[0038] The laser projection unit 118 consists of a laser source, typically a diode laser that emits a focused beam of coherent light. Within the laser projection unit 118, various optical components are used such as lenses, mirrors, and prisms to shape and direct the laser beam onto the suitable installation locations. These markings visually indicate the precise locations where the door closure is installed, which aids the user by providing clear, accurate guidance, reducing the chances of errors during installation and enhancing efficiency.

[0039] A spring-controlled hammer unit 115 attached to the platform 101 via a robotic link 116 is designed to generate knocking sounds on the door surface. In an embodiment of the present invention, the robotic link 116 is a type of mechanical link which is usually available with similar function to a human arm. The segments of such a manipulator are connected by joints allowing either rotational motion or translational displacement. The robotic link 116 contains several segments that are attached together by joints also referred to as axes. The robotic link 116 contains several segments that are attached together by motorized joints also referred to as axes. Each joints of the segments contains a step motor that rotates and allows the robotic link 116 to complete a specific motion in translating the equipped spring controlled hammer unit 115 to strike the door.

[0040] When the spring-controlled hammer strikes the door, a microphone 117 integrated into the platform 101 captures the resulting acoustic signals. The microphone 117 plays a crucial role by converting spoken words or commands into electrical signals which are then processed and analyzed to trigger specific actions. When the acoustic signals come when the spring controlled hammer strikes the door, their sound cords vibrate, creating sound waves.

[0041] These sound waves travel through the air as variations in air pressure. The microphone 117 mentioned herein is a transducer that converts these variations in air into electric signals. The analog electrical signal is converted into digital form which is done by an analog-to-digital converter (ADC). The digital signal is then subjected to various signal processing techniques to enhance voice quality and eliminate noise. These signals are processed by the microcontroller to analyze the characteristics of the sound, which helps determine the material type of the door (e.g., wood, metal, composite). This material identification is crucial for adapting the installation process to suit the door’s properties, ensuring durability and safety.

[0042] For example, if a sharp, resonant, and warning sound of 80-110 dB is produced, it indicates that the door is made of metal.

[0043] In case a 60-90dB sound is indicated, which produces a dull, thudding, and lower-pitched sound, it indicates wooden or non- metal doors. Accordingly, the installation operation carried out.

[0044] The device incorporates an L-shaped telescopic bar 106 attached to the platform 101, which is integrated with a motorized drilling unit 107. The microcontroller controls this bar 106 to extend or retract and position the drilling unit 107 precisely over the location determined for installation. In an embodiment of the present invention, the extension of the bar 106 is powered by a pneumatic unit that utilizes the compressed air to extend or retract the bar.

[0045] Once positioned, the microcontroller actuates the drilling unit 107 to bore holes into the door surface, which ensures accuracy in hole placement and depth, facilitating a secure fit for the door closure components. The drilling unit 107 is a tool, which use to drill to create holes in the door. They typically consist of a shank, body, and a cutting edge. The shank is inserted into the drill chuck, securing the bit is place. The cutting edge is crucial and varies based on the drilling unit 107 type to ensure accuracy in hole placement and depth.

[0046] A multi-sectioned storage chamber 108 is attached to the platform 101, designed to store various installation tools 111 such as door closures, screws, nuts, and bolts. After the drilling process, the microcontroller commands a pair of robotic grippers 109 mounted on the platform 101 to retrieve the appropriate door closure tools 111 from the storage chamber 108. The robotic gripper 109 typically consists of two opposing arms or fingers that mimic a human hand-gripping motion. These arms are usually made of durable materials like metal or plastic to provide strength and flexibility.

[0047] The robotic gripper 109 design incorporates springs to retrieve the appropriate door closure tools 111 from the storage chamber 108. Electric motors and servo motors are used to control the robotic gripper's movement. These motors provide the necessary force and precision to manipulate and retrieve the appropriate door closure tools 111. The motors are connected to the gripper 109 arms through an arrangement of gears and linkages The grippers then engage and fix the door closure into the holes bored in the door, automating the fastening process and minimizing manual intervention.

[0048] On a side section of the platform 101, a circular disc 110 is mounted that holds multiple interchangeable tools 111. Each tool is connected to the disc 110 via a telescopic link 112 coupled with a ball-and-socket joint 113, allowing multidirectional movement for flexible positioning. In an embodiment of the present invention, the ball and socket joint 113 consists of a ball-shaped element that fits into a socket, which provides rotational freedom in various directions. The ball is connected to a motor, typically a servo motor which provides the controlled movement.

[0049] The link 112 is attached to the socket of the motorized ball and socket joint 113. The motor responds by adjusting the ball and socket joint 113 and rotates the ball in the desired direction, and this motion is transferred to the socket that holds the link 112. As the ball and socket joint 113 move, it provides the necessary angular movement to the tool. Between each telescopic link 112 and tool, a grip-and-twist assembly 114 is integrated to provide optimal rotational movement, thereby enabling the tools 111 to efficiently loosen or tighten nuts and bolts associated with the door closures, facilitating precise mechanical fastening during installation.

[0050] The grip-and-twist assembly 114 is designed to provide optimal rotational movement for loosening or tightening nuts and bolts, especially in door closures. This assembly is integrated between the telescopic link 112 and each tool 111. In an embodiment of the present invention, the grip-and-twist assembly 114 typically consists of two main functions, gripping and twisting. The gripping function involves a grip drive that adjusts the grip to securely hold the tool 111. This is often driven by a motor that moves their gripping members toward or away from each other to clamp onto the nut or bolt firmly. The twist function is enabled by a twist drive that rotates the tool, allowing the tool 112 to turn the fastener, thereby providing controlled rotational torque for loosening or tightening.

[0051] An acoustic sensor is installed on the platform 101 to detect the presence of termites within the door. The acoustic sensor detects presence of termites within the door by capturing and analyzing sound waves. These sensors are designed to recognize specific acoustic signatures associated with insect activity. The sensor consists of a microphone 117 or an array of microphones. These microphones pick up the sounds emitted by the termites caused by their movements.

[0052] The captured audio signals are then processed using artificial intelligence modules to distinguish background noise and termite generated sounds. The specific acoustic signatures are identified by the sensor’ module and analyzed by the microcontroller for detecting the presence of any presence of termites within the door. When the sensor successfully identifies termite activity, the microcontroller activates the speaker 119 to notify the user immediately. This notification adds a layer of preventive maintenance by alerting the user to potential structural issues caused by termite infestation before or during the installation process.

[0053] A battery is associated with the device to supply power to electrically powered components which are employed herein. The battery is comprised of a pair of electrode named as a cathode and an anode. The battery uses a chemical reaction of oxidation/reduction to do work on charge and produce a voltage between their anode and cathode and thus produces electrical energy that is used to do work in the device.

[0054] The present invention works best in the following manner, where the platform 101 as disclosed in the invention is equipped with multiple motorized wheels 102, maneuvering over the ground surface. The laser-based sensor continuously assesses the surface level and transmits this data to the microcontroller. In response, the microcontroller activates telescopically operated rods 103 between the wheels 102 and the platform 101, ensuring the device remains stable during operation. the user interacts with the touch interactive display panel 104 on the platform 101 to input commands related to the installation of the door closure on the nearby door. Upon receiving these commands, the microcontroller activates the artificial intelligence-based imaging unit 105, which scans and detects the dimensions of the door. Using this information, the microcontroller precisely determines the optimal installation location for the door closure on the door’s surface. the optical thickness sensor integrated with the platform 101 measures the door’s thickness. If the thickness falls below the set threshold, the microcontroller triggers the speaker 119 to alert the user. To assist with accurate placement, the projection unit 118 displays laser-guided markings on the door surface, indicating where the installation should occur.

[0055] In continuation, the platform 101 also features the spring controlled hammer unit 115 attached via the robotic link 116. The spring controlled hammer unit 115 generates knocking sounds on the door surface, and the built-in microphone 117 captures the resulting acoustic signals. The microcontroller analyzes these signals to determine the material type of the door, which informs the subsequent installation steps. For the actual installation, the L-shaped telescopic bar 106 with the motorized drilling unit 107 is actuated by the microcontroller to extend, retract, and position the drill over the identified location. The drilling unit 107 then bores holes into the door. After drilling, the multi-sectioned storage chamber 108 on the platform 101 provides automated retrieval of door closures, screws, nuts, and bolts. robotic grippers 109 are then activated to grip and engage the door closure with the prepared holes. the circular disc 110 mounted on the side of the platform 101 holds interchangeable tools 111, each attached via the telescopic link 112 and ball-and-socket joint 113, allowing for multidirectional movement. the grip-and-twist assembly 114 enables these tools 111 to optimally loosen or tighten nuts and bolts during the installation process. Additionally, the acoustic sensor, checks for the presence of termites within the door. If termites are detected, the microcontroller activates the speaker 119 to notify the user.

[0056] Although the field of the invention has been described herein with limited reference to specific embodiments, this description is not meant to be construed in a limiting sense. Various modifications of the disclosed embodiments, as well as alternate embodiments of the invention, will become apparent to persons skilled in the art upon reference to the description of the invention. , Claims:1) A door closure installation assistive device, comprising:

i) a platform 101 configured with multiple motorized wheels 102 to maneuver said platform 101 over a ground surface, wherein a laser-based sensor is installed over said platform 101 to determine level of said surface and sends acquired data to a microcontroller linked with said laser-based sensor that in turn activates a telescopically operated rod 103 attached in between each of said wheels 102 and platform 101 to stabilize said platform 101 over said surface;

ii) a touch interactive display panel 104 provided on said platform 101 that is accessed by a user to provide input commands regarding installation of a door closure on a door present in proximity to said platform 101, wherein said microcontroller upon receiving said user’s activates an artificial intelligence-based imaging unit 105 installed on said platform 101 to detect dimensions of said door, based on which said microcontroller determines an exact location on door surface where said door closure is to be installed;

iii) a L-shaped telescopic bar 106 attached with said body and integrated with a motorized drilling unit 107, wherein said microcontroller actuates said bar 106 to extend/ retract and position said drilling unit 107 over said determined location, followed by actuation of said drilling unit 107 to bore holes at surface of said door;

iv) a multi-sectioned storage chamber 108 attached to the platform 101, said chamber 108 configured to store door closures, screws, nuts, and bolts for automated retrieval during installation, wherein post drilling of holes said microcontroller actuates a pair of robotic grippers 109 provided on said platform 101 to grip and engage a door closure with said carved hole; and
v) a circular disc 110 mounted on a side section of the platform 101, comprising interchangeable tools 111 attached to said disc 110, each via a telescopic link 112 coupled with a ball-and-socket joint 113 for multidirectional movement, wherein a grip-and-twist assembly 114 is integrated between each of said link 112 and tools 111 to provide optimum rotational movement to said tools 111, for loosening/tightening nuts and bolts with door closures.

2) The device as claimed in claim 1, wherein a spring controlled hammer unit 115 is attached with said platform 101 via a robotic link 116, said robotic link 116 and spring controlled hammer unit 115 is configured to generate knocking sounds on the door surface, a microphone 117 integrated with said platform 101 receives acoustic signals generated by the impact which is further processed by said microcontroller to determine material type of the door, and accordingly installation process is carried out.

3) The device as claimed in claim 1, wherein a projection unit 118 is installed on said platform 101 configured to display laser-guided markings onto the door surface to indicate installation locations.

4) The device as claimed in claim 1, wherein an acoustic sensor is installed on said platform 101 to detect presence of termites in the door, and upon successful detection said microcontroller activates a speaker 119 provided on the platform 101 to notify said user regarding said detected termite(s).

5) The device as claimed in claim 1, wherein an optical thickness sensor is integrated with said platform 101 to detect thickness of said door, in case said detected thickness recedes a threshold value, said microcontroller activates said speaker 119 to notify said user.

6) The device as claimed in claim 1, wherein a battery is associated with said device for supplying power to electrical and electronically operated components associated with said device.