DESC:FORM 2
The Patent Act 1970
(39 of 1970)
&
The Patent Rules, 2005

COMPLETE SPECIFICATION
(See Section 10 and Rule 13)

TITLE OF THE INVENTION
“TOPPLE ACCIDENT PROTECTION SYSTEM FOR HEAVY GOODS VEHICLES”

VE Commercial Vehicle Ltd.
of VE Commercial Vehicles Ltd, 102, Industrial Area
No. 1 Pithampur-454775, Dist. Dhar, Madhya Pradesh, India

The following specification particularly describes and ascertains the nature of this invention and the way it is to be performed.
Field of Invention
[001] The invention relates to heavy goods vehicles that have been provided with load bodies for holding raw materials. It more particularly relates to safety systems installed on such heavy goods vehicles that inform the vehicle operator about faults in mechanisms installed for opening the unloading doors of their load bodies, thereby preventing accidents resulting from such faults.
Background of the Invention
[002] Conventional heavy goods vehicles, also known as tippers in common parlance, are used to carry raw materials from one point to the next. The installed load bodies of these heavy goods vehicles have a tailgate door that is opened by utilising a tilt sensing mechanism. This tilt-sensing mechanism operates to unlock the lock holding the tailgate door in its place when the vehicle operator, through the operation of vehicle-mounted links and mechanisms, causing the load body to be lifted along one of its ends and start tilting. The mechanism utilised by the vehicle operator for lifting the load body along one of its ends includes a hydraulic kit that is supplied with power from the power take-off unit of the vehicle to allow it to lift and lower the load body in a controlled manner. When the load body has been tilted above a certain threshold point, if the tailgate door does not open due to any fault within the tilt sensing mechanism to allow the raw material to flow out of the load body, the heavy goods vehicle can topple due to load transfer to the rear side of the vehicle.
[003] This toppling is not easy to prevent as the heavy goods vehicles are large, and the vehicle operator seated in the driver’s cabin cannot clearly observe and determine whether the tilt sensing mechanism holding the tailgate door in its place is operating perfectly or not. Usually, this problem is solved by giving the vehicle operator assistance of another person standing safely at the side of the vehicle who communicates with the driver through hand signals or through a communication device about whether the tilt sensing mechanism has functioned properly to cause the tailgate door to open as anticipated. This way of dealing with possible faults requires additional manpower that may not always be available exactly when required. This also affects the costs as an additional person has to be utilised to carry out the task safely. Given the cost sensitivity, the safety system for overcoming this issue would have to be cost-effective to install and provide on the heavy goods vehicle and very durable and reliable to reduce maintenance required. Therefore, it is an objective of this invention to provide a topple accident protection system for heavy goods vehicles that can sense the operation of the tilt sensing mechanism provided on the tailgate door and inform the vehicle operator in case there is any fault and the tailgate door has not opened as anticipated.
[004] It is another objective of the present invention to provide a topple accident protection system for heavy goods vehicles that is durable and reliable.
[005] It is still another objective of the present invention to provide a topple accident protection system for heavy goods vehicles that is economical to provide.
[006] It is yet another objective of the present invention to provide a topple accident protection system for heavy goods vehicles that requires very little maintenance.
Summary of the Invention
[007] The invention achieving the stated objectives, i.e. the topple accident protection system for heavy goods vehicles, as disclosed, comprises a battery, an air compressor, a PTO lever, an instrument cluster, an ignition switch, an engine transmission, a PTO unit, a hydraulic pump, a hydraulic cylinder, a tipper body, linkage rods, and tactile switches. In the topple accident protection system for heavy goods vehicles, the battery is electrically connected to the instrument cluster, ignition, and tactile switch. The tactile switch is also connected to the instrument cluster through another electrical connection. The air compressor is pneumatically connected to the PTO lever through a line supplying air under pressure. The PTO lever, in turn, is linked by another pneumatic line to the PTO unit. The ignition switch is electrically connected to the engine transmission. The engine transmission is, in turn, mechanically linked with the PTO unit to supply it with the needed power for the PTO unit’s operation, this mechanical link is a direct connection with a transmission gear. The PTO unit is mechanically linked to and operates the hydraulic pump & kit. The hydraulic pump is, in turn, hydraulically linked to the hydraulic cylinder, thereby permitting it to supply hydraulic fluid under pressure. The tipper body is mechanically linked with linkage rods.

Brief Description of Drawings
[008] The present invention is illustrated in the accompanying drawings that indicate its various parts and the method of its operation. The description of the present invention would, therefore, be better understood with reference to accompanying diagrams, wherein
[009] Figure 1 discloses a system block diagram of the invention.
[0010] Figure 2 discloses a flow chart disclosing the manner of operation of the invention.
Detailed Description of the Invention
[0011] Referring to figures 1, a topple accident protection system for heavy goods vehicles in accordance with the disclosed invention comprises of battery, an air compressor, a PTO lever, an instrument cluster, a buzzer located and fixed on the instrument cluster, an ignition switch, an engine transmission, a PTO unit, a hydraulic pump, a hydraulic cylinder, a tipper body, linkage rods, locking hinges and tactile switches.
[0012] The battery (the power source) is electrically connected, thus providing an electrical supply to the instrument cluster, ignition, and tactile switch in the topple accident protection system for heavy goods vehicles. The tactile switch is also connected to the instrument cluster through another electrical connection. The air compressor is pneumatically connected to the PTO lever through a line supplying air under pressure. The PTO lever, in turn, is linked by another pneumatic line to the PTO unit. The ignition switch is electrically connected to the engine transmission. The engine transmission is, in turn, mechanically linked with the PTO unit to supply it with the needed power for the PTO unit’s operation. This mechanical link is a direct connection with a transmission gear.
[0013] The PTO unit (refer to Fig. 1) is mechanically linked to and operates the hydraulic pump & kit. The hydraulic pump is, in turn, hydraulically linked to the hydraulic cylinder, thereby permitting it to supply hydraulic fluid under pressure. The hydraulic cylinder is strategically positioned below the tipper body (also identifiable as the load body) and is mechanically linked to said tipper body and the vehicle chassis through a hydraulic kit. The tipper body is mechanically linked with linkage rods, which are in turn mechanically linked to locking hinges provided on the tailgate door of the tipper body. The tactile switches are positioned strategically below the locking hinges to allow said locking hinges to come into contact with said tactile switches and operate them when tilting the tipper body has caused said locking hinges to operate and the tailgate door to open.
[0014] The topple accident protection system for heavy goods vehicles so disclosed (refer to Fig. 1) operates in accordance with the flow disclosed in Figure 2. When the ignition switch is turned on, and the driver has operated the PTO lever, the air pressure received from the air compressor by the PTO lever allows the PTO unit to be bought into an operational state. The PTO becomes engaged and draws power from the engine transmission to cause the hydraulic pump to operate and supply the hydraulic cylinder (and its associated mechanism) to be operated by hydraulic fluid under pressure. This operation of the hydraulic cylinder causes the tipper body to start tilting. Once a threshold tilt value (5-10% of achievable tilt) is reached, the linkage rods linked with the tipper body cause the locking hinge to lift and open the tailgate door. Fully open hinges, then press against the two tactile switches to cause them to send an input for the instrument cluster.
[0015] When the locking hinges press both tactile switches (refer to Fig. 2), a supply is sent to the buzzer located on the instrument cluster to cause it to operate and inform the vehicle operator that he can continue to increase the tilt until the tipper body has reached the required tilt for unloading the raw material in the tipper body. If the locking hinges are not pressing against both or any one of the tactile switches, the tactile switches do not send an input to the buzzer provided on the instrument cluster. This would prevent the buzzers from being turned on, and this would, in turn, notify the vehicle operator that there is a fault at the locking hinges preventing the tailgate doors from opening and that he must top the tilting operation.
[0016] The topple accident protection system for heavy goods vehicles so disclosed achieves all the stated objectives.
[0017] Technical advantages offered by the invention, i.e., the topple accident protection system for heavy goods vehicles, are-
- It can sense the operation of the tilt sensing mechanism provided on the tailgate door and inform the vehicle operator in case there is any fault and the tailgate door has not opened as anticipated.
- It is durable and reliable.
- It is economical to provide.
- It requires very little maintenance.
[0018] It is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation. Therefore, while the present invention has been herein described in terms of its preferred embodiment, those skilled in the art will recognize that the preferred embodiment herein disclosed, can be practiced with modifications within the scope of the invention herein described.

,CLAIMS:We Claim,
1. A topple accident protection system for heavy goods vehicles comprising,
• a battery,
• an air compressor,
• a PTO lever,
• an instrument cluster,
• a buzzer located and fixed on the instrument cluster,
• an ignition switch,
• an engine transmission,
• a PTO unit,
• a hydraulic pump,
• a hydraulic cylinder,
• a tipper body,
• linkage rods, and
• tactile switches
wherein,
- the battery is electrically connected to the instrument cluster, ignition, and tactile switch;
- the tactile switch is also connected to the instrument cluster through another electrical connection;
- the air compressor is pneumatically connected to the PTO lever through a line supplying air under pressure;
- the PTO lever, in turn, is linked by another pneumatic line to the PTO unit;
- the ignition switch is electrically connected to the engine transmission;
- the engine transmission is, in turn, mechanically linked with the PTO unit to supply it with the needed power for the PTO unit’s operation, this mechanical link is a direct connection with a transmission gear;
- the PTO unit is mechanically linked to and operates the hydraulic pump & kit;
- the hydraulic pump is, in turn, hydraulically linked to the hydraulic cylinder, thereby permitting it to supply hydraulic fluid under pressure; and
- the tipper body is mechanically linked with linkage rods.
2. The topple accident protection system for heavy goods vehicles as claimed in claim 1, wherein, the hydraulic cylinder is strategically positioned below the tipper body and is mechanically linked to said tipper body and the vehicle chassis through a hydraulic kit.
3. The topple accident protection system for heavy goods vehicles as claimed in claim 1, wherein, the linkage rods linked to the tipper body are in turn also mechanically linked to locking hinges provided on the tailgate door of the tipper body.
4. The topple accident protection system for heavy goods vehicles as claimed in claim 3, wherein, the tactile switches are positioned strategically below the locking hinges to allow said locking hinges to come into contact with said tactile switches and operate them when tilting the tipper body has caused said locking hinges to operate and the tailgate door to open.

Dated 29th day of January 2025

VIDIT CHOUBEY
(IN P/A 5566)
AGENT FOR THE APPLICANT(S)

To,
The Controller of Patents,
The Patent Office, at Mumbai