Claims:CLAIMS
I/We Claim:
1. Method of manufacturing the special design T-link hexacopter drone:
I. Make primary arm, mounting arm, and central linkage hub of any varied material as long as the functional requirement is satisfied;
II. The dimensions of the framework and the setup built as and when required can be altered as long as it does not affect the design aspects of the set-up;

2. T-link hexacopter drone of claim 1, wherein the innovative drone uses the specially designed T-link mechanism for hexacopter drone;

3. Said innovation as in claims 1 and 2, the T link mechanism allows easy assembly and dismantling of the primary arms and mounting arms by the virtue of upper and lower T link coupling;

4. Said innovation as in claim 1, is a Low-cost hexacopter drone as compared to a conventional hexacopter drone;

5. Said innovation as in claims 1-4 is extremely user-friendly and allows easy access to assemble and disassemble the mounting arms with the primary arms and the drone with the virtue of T link coupling;

6. Said innovation as in claims 1-5 is specially designed to reduce the overall weight of the drone.
, Description:COMPLETE SPECIFICATION

TITLE OF THE INVENTION
Design and Fabrication of a Hexacopter using innovative T-links.

FIELD OF THE INVENTION
The present invention proposes an innovative design and manufacturing of a T link hexacopter. The present invention is in reconciliation with drone technology and its applications in varied fields like agriculture, aerial photography, product delivery, etc. The preferred embodiment deals with the integration of mechanical, electronics, and aeronautical engineering. The proposed invention has its application in all the areas where the simple drone can have its significance. Additionally, the unique T link hexacopter also has its significance in the operating conditions where the normal drones fail to work due to various reasons. The present invention also deals with the design and its analysis for various forces, stress accumulation, and optimum strength characteristics.

BACKGROUND OF THE INVENTION
Presently, there has been vast research carried out in the field of drones. Recently Quadcopters have been in much application due to their characteristic of ease of building and repair due to their low weight. Further, tricopters have been used in the applications where personal copters are to be engaged. However, the application of tricopter drones is limited due to its reliability constraint. Ruling out the application of tricopter dones for heavy applications we are left with quad and hexacopter drones. There has been deep research for quadcopters and they are well in application today. However, there are many disadvantages of quadcopters like the absence of backup rotors which results in the crashing of the drone when one of the rotors fails. Further, the limitation to carrying a heavy payload is a different con. Hexacopter drone development is currently at a rudimentary stage as compared to tricopter drones and quadcopter drones. Currently, the hexacopter drones have their limitation due to the fact that in case of accidents the entire blades need to be replaced. In such conditions, the maintenance costs of the drones become too high. Moreover, the hexacopter drones currently used are too heavy and big to be used in tight places. The expense of hexacopter has been an additional limitation in the virtue of its application in various fields. The beforementioned limitations of hexacopters limit their application in practical use. Owing to these limitations, the advantages of hexacopter drones like their strength, capability of carrying heavy payloads, reliability of being operational even in the case of anyone rotor failure, stability, greater maneuverability, etc. are overlooked.
All the above-mentioned problems and complications are rectified in this invention. The specially designed and manufactured hexacopter drone caters to provide a prudent solution to the considered limitation of hexacopter drones currently being used.

OBJECTS OF THE INVENTION
The proposed invention is a successful effort to overcome the said limitations of the hexacopter drones in an attempt to enhance its application in all the areas with great ease, feasibility, reliability at an economical expense. The present invention also caters to the need of hexacopter drones in tight field spaces as well as providing greater maneuverability at higher altitudes. The preferred embodiment reduces the periodic maintenance as well as saves the cost of repair during the accidental conditions through its specially designed links which can solely be replaced in accidental conditions without the need to replace the entire frame.
The objectives of this invention are
1. The primary object of the present invention is to provide a unique T-link designed hexacopter drone.
2. Another objective of the present invention is to provide extra guarding and protection with the help of a flexible T-link design.
3. Yet another object of the present invention is to reduce the maintenance costs by providing easy provision of dismantling of arms and service and repair costs in accidental situations by enabling the user to just remove the arms of the drone and not dismantle the entire body.
4. Further objective of the present invention is to achieve more thrust as compared to current existing hexacopter drones.
5. Yet another objective of the proposed invention is to contribute to the weight reduction of the hexacopter drone by the virtue of the specially designed structure and frame.
6. Yet another objective of the present embodiment is to provide a SONAR system to elude obstacles and to provide live video streaming and recording.
7. Yet another objective of the present invention is to provide economic hexacopter drone in comparison with the current high-cost drones.
Thus, according to the method of the present invention all the objectives mentioned above are achieved.

STATEMENT OF INVENTION
Method of manufacturing the specially designed T link hexacopter:
1. The framework consists of three primary arms (21, 22, 23) which converge centrally to a linkage hub (1). The primary arms (21, 22, 23) are connected to the central linkage hub (1) at one end and to the upper and lower coupling at the other end. The primary arm 21 is connected to the upper t link coupling 31 and lower t link coupling 32. The respective primary links are connected to the respective upper and lower T link coupling.
2. The mounting arm 41 is connected centrally to the primary arm 21 by the upper T link coupling 31 and lower T link coupling 32. Similarly, the mounting arm 42 and 43 are connected to primary arm 22 and 23 by the virtue of the respective upper and lower T link coupling.
3. Each Mounting arm (41, 42, 43) has two propellers (71-76) mounted at each of its end. Each propeller has one brushless motor (61-66). Propeller 71 is propelled by the motor 61, propeller 72 is propelled by the motor 62 and so on and so forth for all the propellers.
4. The motors (61-66) are controlled by electronic speed controllers (51-56). Electronics speed controller for motor – 51 controls the brushless motor 61 which propels the propeller 71 placed on one end primary arm 21.
5. The battery (10) which powers the drone is placed on the central linkage hub (1). It is connected with the circuit of the flight control (8) and receiver (9) .
6. The flight controller (8) and the receiver are placed on the central linkage hub (1) and are connected with the entire electronic circuit of the drone.
7. The mounting arms (41-43) are so connected that they can easily be assembles and disassembled as and when required. The Upper T link coupling (31) and Lower T link coupling (32) makes it possible for easy assembly and dismantling of the mounting arm (41-43) with the primary arms (21-23).
8. The specially designed T link design primarily comprises of Upper T link coupling and Lower t link Coupling which connects the primary arm (21-23) and the mounting arm (41-43).

BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a perspective view of the Hexacopter using innovative T-links in accordance with the invention;
Figure 2 is the perspective exploded view of the T-link arm, providing a detailed embodiment of the present invention;
Figure 3 is the top elevation view of the present invention of figure 1;
Figure 4 is the side elevation view of the present invention links in accordance with the invention.

DETAILED DESCRIPTION OF THE INVENTION
The description of the invention described herein is explained using the specific figures and annotations to assist in a comprehensive and better understanding of an exemplary embodiment of the invention.
Referring more particularly to the drawings, embodiments of the disclosure may be described in the context of the Hexacopter using innovative T-links. Same or similar features in different drawings and embodiments are referred to by similar reference annotations or numerals. It is to be understood that the detailed description below relating to various preferred aspects and preferred embodiments are not to be meant as limiting the scope of the present invention.
The present invention is now illustrated with reference to the accompanying drawings, throughout which reference numbers indicate corresponding parts in the various figures. These reference numbers are shown in the bracket in the following description and in the table given below.

Table
Ref. No. Component Name Ref. No. Component Name
1 Linkage hub 55 Electronic speed controller for motor 5
21 Primary arm I 56 Electronic speed controller for motor 6
22 Primary arm II 61 Brushless motor 1
23 Primary arm III 62 Brushless motor 2
31 Upper T-link coupling 63 Brushless motor 3
32 Lower T-link coupling 64 Brushless motor 4
41 Mounting arm I 65 Brushless motor 5
42 Mounting arm III 66 Brushless motor 6
43 Mounting arm III 71-76 Propellers
51 Electronic speed controller for motor 1 8 Flight Control
52 Electronic speed controller for motor 2 9 Receiver
53 Electronic speed controller for motor 3 10 Battery
54 Electronic speed controller for motor 4

The present invention has an inbuilt T-link Design consisting of primary arm and mounting which are connected to each other by the virtue of specially designed T-link coupling.
Primarily, the framework consists of a centrally located linkage hub (1), the primary arms (21-23), and the mounting arms (41-43) connected to the primary arms through the upper T link coupling (31) and lower T link coupling (32).
The primary arm (21-23) has holes drilled on it, similar aligned holes are drilled on the upper and lower T link coupling (31, 32). Further, the two constructional parts namely the T link coupling (31, 32) and the primary arm are connected together with the screwing process.
Similarly, holes are drilled on the mounting arms (41, 42, 43) and exactly aligned holes are dilled in the upper and lower T link coupling (31, 32). These two constructional elements namely mounting arms (41, 42, 43) and the T link coupling (31, 32) are then assembled by the process of screwing.
This arrangement makes extreme facile assembly and dismantling of mounting arms from the drone assembly. This system allows the removal of mounting arms only during cases of accident and the whole drone needs not to be disassembled.
The T link coupling is manufactured by the process of 3D printing or additive manufacturing. The central linkage hub (1) provides mounting support for other constructional parts like Flight Control (8), Receiver (9), and Battery (10).
The flight controller (8) controls the entire flight. It directs the speed of each motor in the reconciliation of the input provided. The flight controller adjusts the motors as per the input command to move the multirotor in a forward or backward direction.
The electronic speed controllers (51-56) control the speed of the motor by providing the desired magnitude of current required by the motor. Each motor (61-66) has a separate electronic speed controller. The electronic speed controller is reconciled with motor 61 for its speed control. Similarly, respective motors are reconciled with the respective electronic speed controller.
The Battery which is mounted on the linkage hub (1) provides the source of power to the entire drone. The battery is internally connected to the electronics circuit which has all the components connected together. The receiver (9) receives the signals from the transmitter according to which the flight controller provides input to the rest of the concerned parts of the drone responsible for the locomotion of the drone.
The propeller happens to be the most important element for the flight of the drone. There are six propellers one connected to each motor. 3 propellers rotate in a clockwise direction and three propellers rotate in the anti-clockwise direction. Propellers play an important role to take the load.
The power distribution board (9) which is mounted on the linkage hub, allows the transfer of power from the battery to the electronic speed controller (51-56) and in turn generates the power supply to the flight controller and the rest of the peripherals with varying voltage levels. The battery eliminator circuit (11) delivers the electrical power to other circuitry without the use of multiple batteries.
In another embodiment of the present invention, the top and bottom securing plates of the proposed hexacopter drone further altered to compensate for the ripped part. In addition, the propulsion working motor can further be replaced with the motor of desired characteristics, depending upon the payload and flight conditions.
Further, the GPS antenna can be replaced in another such embodiment to regulate, enhance the range of the drone. Additionally, other accessories including cameras can be mounted over the securing plates of the hexacopter drone.

ADVANTAGES OF THE INVENTION

1) The proposed invention makes the hexacopter drone easy to maintain and repair by the virtue of the T links provided.
2) The proposed invention makes it possible to just replace or disassemble the arms in the case of an accident instead of dismantling the entire drone as in the case with current hexacopter drones.
3) The preferred embodiment is a lightweight hexacopter drone as compared to currently used hexacopter drones.
4) The proposed invention is compact and lightweight.
5) The preferred embodiment makes it possible to use the hexacopter drone in tight areas where there is limitation of space.