FORM 2
THE PATENTS ACT, 1970
(39 of 1970)
&
PATENTS RULES, 2003
(COMPLETE SPECIFICATION)
TITLE OF INVENTION- "Tractor Mounted Efficient Mini Sugarcane Harvesting System."
NAME OF APPLICANT- Shrijee Heavy Projects Works Ltd
NAME OF INVENTOR(S) - Mr. Saurabh Agarwal
Mr. V. Ravic hand ran
ADDRESS OF APPLICANT- A-504/505, Dynasty Business Park,
Near Kohinoor Continental, J.B. Nagar,
Andheri-Kurla Road,
Andheri (East),
Mumbai- 400059,
Maharashtra
India
The following specification particularly describes the nature of the invention and the manner in which it is to be performed.

FIELD OF THE INVENTION
This invention relates to harvesting combines and more particularly to a combine particularly
adapted to the cutting and processing of sugarcane.
BACKGROUND OF THE INVENTION
A sugarcane harvester is a large piece of agricultural machinery used to harvest and partially process sugarcane. The machine, originally developed in the 1920s, remains similar in function and design to the combine harvester. Essentially a storage vessel on a truck with a mechanical extension, the machine cuts the stalks at the base, strips the leaves off, and then cuts the cane into segments. These are then deposited into either the on-board container, or a separate vehicle traveling alongside. Waste material is then ejected back onto the field, where it acts as fertilizer.
Some existing inventions are following-
In WO 2011/043744 Al (patent application)/ TH2010/000008 wherein The non-burnt sugar cane stalk cutting machine that using the agricultural tractor as power plant, by using the agricultural tractor with range from 105 horse-power or more as power plant, by installed the said tractor onto the body of the machine, There is chain that connected from tractor drive axles to the drive wheel of the machine, drives the machine to run at a speed of 10-20 kilometer per hour, and utilizing the tractor's power take off (PTO) to drive hydraulic pump at speed of 540 rpm to the cutter blades. This machine can be used in harvesting the sugar cane stalk both in upright stalk or laid down stalk. There is a blower that can separate topping and leave residues from cut stalks. The conveyor system is installed in the rear of the machine to convey the cut stalks to the truck that drive along the cutting track of the machine. This machine was design with simple technology, easy and low cost to maintenance, easy to use, and furthermore, the tractor can be moved out to use in other task after the cutting season. Most of the materials and spare parts can manufactured locally, so the price of the machine is much cheaper that the imported one.

In US 6076340 (granted patent) wherein A sugar cane combine harvester having a topper/shredder in advance of a crop divider mechanism with the crop divider aiding in moving sugar cane to a knock down feed roll, base cutters, a feed roll system, a chopping system including a cleaning system, and an elevator system.
In EP 0147204 A3 wherein The disclosure relates to a sugar cane harvester having a pair of contra-rotating cutters (33) to cut cane at its base and to lift the cane cut-ends first onto a conveyor (40) which delivers the cane through de-trashing devices and then to a pair of rollers (53, 54) which draw the cane from the conveyor and propel it into the open end of a container (56) against an adjustable barrier (64) disposed along the container from said open end. The barrier is positioned to suit the length of the cane being harvested and cutters (65) are provided to cut the cane tops from the stalks where they protrude at the open end of the conveyor to separate the tops from the stalks.
In CN202068758 wherein A sugarcane combine harvester provided with a leaf smashing apparatus comprises a power system, an operation system, a front furling mechanism and a cutting mechanism; a leaf peeling and tail cutting mechanism is disposed behind the cutting mechanism; a sugarcane transmission channel is disposed in the leaf peeling and tail cutting mechanism; The leaf peeling and tail cutting mechanism has a leaf smashing apparatus including at least one pair of leaf smashing wheels disposed on the upper and lower portion of the sugarcane transmission channel; the leaf smashing wheel comprises a central shaft used for mounting and a rotary barrel capable of rotating around the central shaft; a plurality of steel wires are distributed in matrix type on the outer circumferential surface of the rotary barrel, and extended along the radial direction of the rotary barrel. The leaf smashing apparatus can smash the leaves on the outside of the sugarcanes, and can prevent the sugarcane leaves from jamming or scratching the skins of the sugarcanes; thereby can improve the leaf peeling effect of the sugarcane combine harvester.

SUMMARY OF THE INVENTION
In accordance with the present invention, the purpose is to provide an efficient method that would enable sugarcane harvesting easily and efficiently without any complications,
in accordance with the present invention, the purpose is to provide a solution to the limitations of the existing system of harvesting especially sugarcane harvesting.
Accordingly, it is an object of the present invention to provide a sugar cane harvester which efficiently harvests sugar cane and maximizes separation of cane pieces from cane debris.
These and other objects of the invention, as well as many of the intended advantages thereof, will become more readily apparent when reference is made to the following description.

DETAILED DESCRIPTION OF THE INVENTION
In describing a preferred embodiment of the invention illustrated in the specific terminology will be resorted to for the sake of clarity. However, the invention is not intended to be limited to the specific terms so selected, and it is to be understood that each specific term includes all technical equivalents which operate in a similar manner to accomplish a similar purpose.
Sugar cane harvesting is a labour intensive job. Manual harvesting of sugarcane requires large amount of manpower say for example, harvesting 25 to 30 MT of sugar cane required 10 man power every day for the periods of 3 to 4 days. For harvesting same amount of cane one machine can do in 8 hrs without any Manpower except machine operator.
In India arranging manpower is a big problem for both cane grower and sugar factory owners. Also, the sugarcane harvesting machines presently available are expensive and very large in size, A typical 30,000-40,000 pound harvesting machine is about 8 feet wide, 13 feet high and as much as 52 feet long from topper in the front to elevator bin flap in the rear. It becomes uneconomical for small to mid size farm owners to employ such machines.
The mechanism of the invention is that it is a tractor driven sugarcane harvester and the front portion is the crop divider. Then the bottom side has 2 base cutter, which cuts the cane and from there through rollers the cane goes to choppers which helps in removing the trash and the cane along with trash passes on a conveyor and from there is arrangement for blower which allows trash to blow off and the trash falls in the fields. The clean cane travels to the collecting bag at the rear or elevator. The entire setup is mounted on a tractor unit using structural steel frame.
According to proffered embodiment, the invention, mini sugar cane harvester, is agricultural tractor mounted equipment that comprises of various essential components such as crop divider, feed roller, feed rotor drive shaft and non-drive shaft, butt lifter, chopper gears, hydraulic pumps and motors and collecting bag with a capacity of up to 300 kgs thereof. It can also be provided with elevator which can directly feed harvested sugarcane into transport vehicle.

The arrangement of the components is that all the components such as cane cutters, chopper, rollers and blowers have been mounted on the front side and the clean cane goes through a conveyor belt to a collection bag is provided at the backside of the equipment.
All these operations are driven by hydraulic pumps and motors of different HP for the duty they have assigned. The mini cane harvester is mobile and the mobile system draws the power through a chain and sprocket arrangement from the engine.
According to proffered embodiment Crop divider, is made up made in carbon steel IS 2062. Two nos. of crop dividers are used in the system one mounted on left side and other mounted on right side in the front of the equipment, the purpose of divider is to separate the cane in the row that is being harvested from the adjacent row without removing the stool part of the cane. Both crop dividers are run by hydraulic motors. The crop dividers also serve the purpose of gently lifting and separating the stalks in a more efficient manner. Each crop divider consists of two contra-rotating spirals which separate the rows. Vine knives prohibit cane and weeds from entangling in the dividers. Exclusive rotating toes improve lifting. According to proffered embodiment
The purpose of base cutter is to cut the cane at ground level and help to feed the cane stalks to the butt lifter roller. The base cutter consists of cutting mechanism wherein it's having one gear box with one input and two outputs; the input shaft is driven by high speed hydraulic motors. The two output shafts have two hub in which the rotor plate is mounted .Each rotor pate has 4 nos. of specially made alloy steel blade.
According to proffered embodiment the discs are removable, each with four replaceable blades. The diameter of the discs is designed such that the base cutter blades overlap. The overhead drive mechanism of the discs is designed to provide an accurate synchronization and timing of the discs' rotation. The butt lifter roller is a mechanical device that directs the cane stalks cut by the base cutter into the feed rollers.

According to proffered embodiment Butt lifter wherein carbon steel 1S-2062 grade. Lift the cane stalks cut by base cutter and guide them into the machine feed rollers. It lifts the cane cut by the base cutter and feeds it into the feed roller train. This roller has open or closed blades, depending on the type of soil.
The base cutter discs and feed roll system are fixed in a common frame or cutter head and are jointly moved vertically by hydraulic cylinders to cut the cane stalks at the optimum position at their base. The base cutter disc angle can be changed hydraulically or manually, independently from the cutter head, to accommodate varying cane row heights as required.
The adjustable position of the cutter discs and feeder roller system provides the flexibility to preserve the bud eye of the cane shoot if required. The blades cut the cane at ground level clearly, this ensures ideal re-growth conditions, and guarantees the proper agronomic conditions for good stools, maximizing future yields (use of ratoon).
According to proffered embodiment, Feed Roller is a system wherein it consists of three number rollers, one at bottom side and two at top side. The purpose of feed rollers is to transport and feed the cane stalks horizontally to the choppers drums. The feed rollers feed the cane uniformly into the chopper system. They allow the removal of dirt from the cane mat. Floating upper rollers enable even feeding of increased volumes, thus avoiding chokes. According to proffered embodiment the feed rollers and its drive shaft and non-drive shaft are made up of alloy steel.
According to proffered embodiment the cane stalk chopping drum mechanism has two number choppers placed one over other at inclined position, each chopper has one circular drum on which 2 row of cane knives are mounted exactly 180 degree each other .The purpose cane chopper is to cut the cane stalks in billets and cut cane topper in small piece for easy extraction later during further processing.
According to proffered embodiment Hydraulic pumps and motors of varying capacity ranging from 5 HP to 20 HP used for all application such as crop divider, cutting chopper, lifter, conveying blower thereof.

According to proffered embodiment Cane conveyor wherein one number belt conveyer is mounted below harvester machine and between chopper and elevator. The purpose of conveyor is to convey or transport chopped cane from chopper to elevator at uniform rate, the conveyor is run by hydraulic motor which receive power from hydraulic pump.
According to proffered embodiment Cane collection system wherein it has a collection bag of 300-400 kgs capacity and the clean cane coming from the carrier falls in to the bag. The bag has special arrangement of closing, hook and bottom opening so that it can be lifted easily by a hydra and transferred to transport vehicle.
The entire system is tractor mounted and can be easily transferred from one field to another. The tractor provides traction as well as runs the hydraulic pump which is mounted on PTO Shaft, the entire system is mounted on tractor using a suitably designed steel structure and the cane harvesting system receives the power from the rear wheel axle with a simple arrangement of chain and sprockets. The power from rear wheel axle is transmitted to the front axle wheel through chain and sprockets arrangement, for easy maintenance purpose we are using 2 sets. I set receive power from rear wheel axle to middle shaft sprocket and middle axle to front wheel axle. The whole Operation is simple and little maintenance is required.
This Invention is tractor mounted sugar cane harvester, low capacity suitable for small cane field as well as for large cane fields. The main advantage of this system is dual purpose, it cane used as sugar cane harvester and it can be used as farm equipment for agriculture purpose. The purpose of invention is low budget machine, hence small and medium farmer can easily buy.
The entire machine is duly run by hydraulic system with suitable capacity except wheel traction. To run hydraulic pumps and system we draw power from engine gear box PTO .The capacity of machine is up to 3 tonnes / hour.

CLAIMS
We claim,
1) Mini sugarcane harvesting system comprises of various essential components such as crop divider, feed roller, feed rotor drive shaft and non-drive shaft, butt lifter, chopper gears, hydraulic pumps, motors and collecting bag with a capacity of up to 300 legs thereof. Further in place of collecting bag arrangement side elevator can be provided.
2) Mini sugarcane harvesting system as in claim 1, mini-sugarcane harvester designed for easy maintenance
3) Mini sugarcane harvesting system as in claim 1, wherein all the components such as cane cutters, chopper, rollers and blowers have been mounted on the front side and the clean cane goes through a conveyor belt to a collection bag or elevator is provided at the backside of the equipment.
4) Mini sugarcane harvesting system as in claim 3, wherein a tractor driven sugarcane harvester and the front portion is the crop divider. Then the bottom side has 2 has base cutter, which cuts the cane and from there through rollers the cane goes to choppers which helps in removing the trash and the cane along with trash passes on a conveyor and from there is arrangement for blower which allows trash to blow off and the trash falls in the fields.
5) Mini sugarcane harvesting system as in claim 1, wherein all these operations are driven by hydraulic pumps and motors of different HP for the duty they have assigned. The mini cane harvester is mobile and the mobile system draws the power through a chain and sprocket arrangement from the engine.

6) Mini sugarcane harvesting system as in claim 1 wherein the entire system is tractor mounted and can be easily transferred from one field to another. The tractor provides traction as well as runs the hydraulic pump which is mounted on PTO Shaft, the entire system is mounted on tractor using a suitably designed sturdy steel structure and the cane harvesting system receives the power from the rear wheel axle with a simple arrangement of chain and sprockets. The power from rear wheel axle is transmitted to the front axle wheel through chain and sprockets arrangement, for easy maintenance purpose we are using 2 sets. 1 set receive power from rear wheel axle to middle shaft sprocket and middle axle to front wheel axle. The whole Operation is simple and little maintenance is required.
7) Mini sugarcane harvesting system as in claim 4, wherein the clean cane travels to the collecting bag or elevator at the rear. The entire setup is mounted on a tractor unit using structural steel frame.
8) Mini sugarcane harvesting system as in claim 1, wherein Crop divider, is made up made in carbon steel IS 2062. Two nos. of crop dividers are used in the system one mounted on left side and other mounted on right side in the front of the equipment, the purpose of divider is to separate the cane in the row that is being harvested from the adjacent row without removing the stool part of the cane.
9) Mini sugarcane harvesting system as in claim 1, wherein base cutter is to cut the cane at ground level and helps to feed the cane stalks to the butt lifter roller. It cuts the sugarcane at ground level and helps to feed the cane stalks to the butt lift roller.
10) Mini sugarcane harvesting system as in claim 1, wherein the discs are removable, each with four replaceable blades. The diameter of the discs is designed such that the base cutter blades overlap. The overhead drive mechanism of the discs is designed to provide an accurate synchronization and timing of the discs' rotation.

11) Mini sugarcane harvesting system as in claim 1, wherein Butt lifter wherein carbon steel IS-2062 grade. Lift the cane stalks cut by base cutter and guide them into the machine feed rollers. It lifts the cane cut by the base cutter and feeds it into the feed roller train. This roller has open or closed blades, depending on the type of soil.
12) Mini sugarcane harvesting system as in claim 1, wherein Feed Roller is a system wherein it consists of three number rollers, one at bottom side and two at top side. The purpose of feed rollers is to transport and feed the cane stalks horizontally to the choppers drums
13) Mini sugarcane harvesting system as in claim 1, wherein cane stalk chopping drum mechanism has two number choppers placed one over other at inclined position, each chopper has one circular drum on which 2 row of cane knives are mounted exactly 180 degree each other .The purpose cane chopper is to cut the cane stalks in billets and'cut cane topper in small piece for easy extraction later during further processing.
14) Mini sugarcane harvesting system as in claim 1, wherein Hydraulic pumps and motors of varying capacity ranging from 5 HP to 20 HP used for all application such as crop divider, cutting chopper, lifter, conveying blower thereof.
15) Mini sugarcane harvesting system as in claim 1, wherein Cane conveyor wherein one number belt conveyer is mounted below harvester machine and between chopper and elevator.
16) Mini sugarcane harvesting system as in claim 1, wherein Cane collection system has a collection bag of 300 tons capacity and the clean cane coming from the carrier falls in to the bag. The bag has special arrangement of closing, hook and bottom opening so that it can be lifted easily by a hydra and transferred to transport vehicle. Provision has been made to collect sugarcane through elevator and feed directly to transport vehicle.

17) Mini sugarcane harvesting system as in claim 1, wherein sugar cane harvester efficiently harvests sugar cane and maximizes separation of cane pieces from cane debris.