System for converting linear motion into rotational motion

Abstract

A system (100) for converting linear motion into rotational motion that includes a linear actuator (102) rotatably coupled to a drive shaft (104) through a first chain-sprocket mechanism (106) and configured to generate reciprocating movement which rotates the drive shaft (104) in an anti-clockwise and a clockwise direction using the first chain-sprocket mechanism (106). The system includes a driven shaft (108) rotatably coupled to the drive shaft (104) through a gear mechanism (110) to rotate the driven shaft (108) in an anti-clockwise and a clockwise direction based on the movement of the linear actuator (102) and an output shaft (112) rotatably coupled to the drive shaft (104) and the driven shaft (108) through a second chain-sprocket mechanism (114) and a third chain-sprocket mechanism (116) to rotate the output shaft (112) in the clockwise or anti-clockwise direction for transmitting rotational motion to an external load or device.

Description

SYSTEM FOR CONVERTING LINEAR MOTION INTO ROTATIONAL MOTIONTECHNICAL FIELD

[0001] The present disclosure relates generally to mechanical motion conversion systems. More particularly, the disclosure pertains to a system for converting linear motion into rotational motion.BACKGROUND

[0002] In many industrial and mechanical applications, it is essential to convert linear motion into rotational motion to power various machines and devices. Linear actuators, such as hydraulic or pneumatic cylinders and linear motors, are commonly used to provide the necessary linear motion. However, the challenge lies in efficiently and reliably transforming this linear motion into rotational motion while minimizing energy losses and mechanical wear.

[0003] Traditional systems for converting linear motion to rotational motion often rely on simple crank and slider mechanisms, rack and pinion systems, or cam-based mechanisms. While these methods can be effective, they are not without drawbacks. Crank and slider mechanisms can suffer from high friction losses and require precise alignment to function correctly. Rack and pinion systems, although capable of providing limited torque, can experience significant wear and tear due to the meshing of gears. Cam-based systems, on the other hand, can be complex to design and manufacture, and they may introduce undesirable vibrations and noise into the system.

[0004] Additionally, these conventional systems may not be well-suited for applications requiring precise control of rotational motion or for scenarios where bidirectional rotational motion is necessary. This can limit their usefulness in modem industrial applications where flexibility, precision, and reliability are paramount. Moreover, conventional systems may not effectively address issues related to slippage and backlash, which can degrade performance over time. Slippage occurs when there is a loss of traction between the moving parts, leading to inefficient transmission of motion. Backlash, the slight movement between mechanical parts when the direction of motion is reversed, can result in inaccuracies and reduced control over the output motion.

[0005] There is, therefore, a need for an improved system that can reliably and efficiently convert linear motion into rotational motion while addressing the issues ofslippage, backlash, and wear through a combination of chain-sprocket mechanisms, one-way sprockets, and a gear mechanism.OBJECTS OF THE PRESENT DISCLOSURE

[0006] A general object of the present disclosure is to provide an improved system to efficiently convert linear motion into rotational motion with minimal energy losses, thereby increasing overall system efficiency.

[0007] Another general object of the present disclosure is to provide an improved system that reduces mechanical wear, extending the lifespan of the system.

[0008] Another object of the present disclosure is to provide an improved system that is capable of providing smooth and controlled bidirectional rotational motion to accommodate various industrial applications.

[0009] Yet another object of the present disclosure is to provide an improved system to minimize slippage during the transfer of motion, ensuring consistent and reliable operation.SUMMARY

[0010] Aspects of the present disclosure relate to mechanical motion conversion systems and more particularly to a system for converting linear motion into rotational motion.

[0011] An embodiment of the present disclosure provide a system for converting linear motion into rotational motion that includes a linear actuator rotatably coupled to a drive shaft through a first chain-sprocket mechanism. The linear actuator is configured to generate reciprocating movement which rotates the drive shaft in an anti-clockwise and a clockwise direction using the first chain-sprocket mechanism. Additionally, the system includes a driven shaft rotatably coupled to the drive shaft through a gear mechanism to rotate the driven shaft in an anti-clockwise and a clockwise direction using the gear mechanism based on the movement of the linear actuator. Further, the system includes an output shaft rotatably coupled to the drive shaft and the driven shaft through a second chain-sprocket mechanism and a third chain-sprocket mechanism to rotate the output shaft in the clockwise or anticlockwise direction for transmitting rotational motion to an external load or device.

[0012] In an embodiment, the first chain-sprocket mechanism may include a first chain, a first sprocket, and a second sprocket carrying the chain. The first chain may be connected to the linear actuator. The first sprocket may be positioned at the drive shaft and the second sprocket may be positioned at a supporting shaft. A segment of the first chain maybe configured around the first sprocket and the second sprocket to facilitate the clockwise and anti -clockwise movement along an axial alignment with the linear actuator.

[0013] In an embodiment, the second chain-sprocket mechanism may include a first pair of sprockets, a first pair of one-way sprockets, and a second chain, the first pair of sprockets may be positioned at the drive shaft and the first pair of one-way sprockets may be positioned at the output shaft.

[0014] In an embodiment, the third chain-sprocket mechanism may include a second pair of sprockets, a second pair of one-way sprockets, and a third chain. The second pair of sprockets may be positioned at the driven shaft and the second pair of one-way sprockets may be positioned at the output shaft. The second pair of sprockets may be coupled to the second pair of one-way sprockets through the third chain for transferring rotation movement to the output shaft.

[0015] In an embodiment, the first pair of one-way sprockets and the second pair of one-way sprockets may be configured to rotate to the output shaft only in one direction.

[0016] In an embodiment, the system may include a first-spring tensioner and a second-spring tensioner. The first-spring tensioner may be configured to push the second chain to avoid slippage during transferring rotation movement from the drive shaft to the output shaft and the second-spring tensioner configured to push the third chain to avoid slippage during transferring rotation movement from the driven shaft to the output shaft.

[0017] In an embodiment, the system may include a plurality of bearings configured to provide support to the supporting shaft, the drive shaft, the driven shaft, and the output shaft facilitating rotational movement to each shaft within the system.

[0018] In an embodiment, the gear mechanism may include a first gear and a second gear, the first gear positioned at the drive shaft and the second gear positioned at the driven shaft. The first gear may be coupled to the second gear to transfer rotation movement from the drive shaft to the driven shaft with a 1 : 1 gear ratio.

[0019] Various objects, features, aspects, and advantages of the inventive subject matter will become more apparent from the following detailed description of preferred embodiments, along with the accompanying drawing figures in which like numerals represent like components.BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are included to provide a further understanding of the present disclosure and are incorporated in and constitute a part of this specification. The drawings illustrate exemplary embodiments of the present disclosure and, together with the description, serve to explain the principles of the present disclosure.

[0021] FIGs. 1A and IB illustrate a right-hand side and left-hand side views of the proposed system in forward and backward positions, according to embodiments of the present disclosure.

[0022] FIGs. 2A and 2B illustrate top view of the proposed system in forward and backward positions with the output shaft, according to embodiments of the present disclosure.

[0023] FIGs. 3A and 3B illustrate top view of the proposed system in forward and backward positions without the output shaft, according to embodiments of the present disclosure.

[0024] FIGs. 4A and 4B illustrate side views of the proposed system, according to embodiments of the present disclosure.

[0025] FIG. 5 illustrates an exemplary diagram of the one-way sprocket, according to embodiments of the present disclosure.DETAILED DESCRIPTION

[0026] The following is a detailed description of embodiments of the disclosure depicted in the accompanying drawings. The embodiments are in such detail as to clearly communicate the disclosure. However, the amount of detail offered is not intended to limit the anticipated variations of embodiments; on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the scope of the present disclosures as defined by the appended claims.

[0027] Embodiments explained herein relate to mechanical motion conversion systems and more particularly to a system for converting linear motion into rotational motion.

[0028] FIGs. 1A and IB illustrate right hand side and left hand side views of the proposed system in forward and backward positions, according to embodiments of the present disclosure.

[0029] Referring to FIGs. 1A to 4B, depicting a rear, front, left side, right side, and top view of the system in forward and backward positions is disclosed. The system 100 is configured to convert linear motion into rotational motion that includes a linear actuator 102 rotatably coupled to a drive shaft 104 through a first chain-sprocket mechanism 106. Thelinear actuator 102 is configured to generate reciprocating movement which rotates the drive shaft 104 in an anti-clockwise and a clockwise direction during backward and forward stroke of the actuator using the first chain-sprocket mechanism 106. Additionally, the system 100 includes a driven shaft 108 rotatably coupled to the drive shaft 104 through a gear mechanism 110 to rotate the driven shaft 108 in an opposite direction that of the drive shaft 104 using the gear mechanism 110 based on the movement of the linear actuator 102. Further, the system includes an output shaft 112 rotatably coupled to the drive shaft 104 and the driven shaft 108 through a second chain-sprocket mechanism 114 and a third chain-sprocket mechanism 116 to rotate the output shaft 112 in the clockwise or anti -clockwise direction for transmitting rotational motion to an external load or device.

[0030] The system 100 is also equipped with a flywheel 126, that serves to smooth out the rotational motion and maintain continuity by storing kinetic energy during the linear actuator's both power strokes forward and backward. In an embodiment, the system 100 may include a support structure for supporting all components at a predefined location associated with the system 100. The support structure can include a base, a plurality of vertical members, and a plurality of horizontal members. One end of each vertical member may be vertically fixed with the base through one or more attachment means and each end of the horizontal member may be fixed with the other end of the vertical member to form a platform for accommodating the output shaft 112 with attachment.

[0031] In an embodiment, the drive shaft 104 and the driven shaft 108 may be movably coupled with the base through bearings 124 that provide support on both ends of the drive shaft 104 and the driven shaft 108. Further, the bearing 124 allows rotation of the drive shaft 104 and the driven shaft 108 in the anti-clockwise and the clockwise directions.

[0032] In an embodiment, the driven shaft 108 may be positioned parallel to the drive shaft 104 in a horizontal plane and coupled through the gear mechanism 110 to transfer rotational movement to the driven shaft 108. For example, if the drive shaft 104 moves in anti-clockwise then the driven shaft 108 rotates clockwise and vice versa.

[0033] In an embodiment, the first chain-sprocket mechanism 106 may include a first chain 106-1, a first sprocket 106-2, and a second sprocket 106-3, wherein the first chain 106- 1 may be connected to the linear actuator 102. The first sprocket 106-2 may be positioned at the drive shaft 104 and the second sprocket may be positioned at a supporting shaft 118. A segment of the first chain 106-1 may be configured around the first sprocket 106-2 and the second sprocket 106-3 to facilitate the clockwise and anti -clockwise movement along an axial alignment with the linear actuator 102.

[0034] In an embodiment, the linear actuator 102 (interchangeably referred to as actuator 102 hereafter) may be any one or a combination of hydraulic actuators or pneumatic actuators, but it is not limited to these only. Hydraulic actuators use fluid pressure to generate linear motion and force. They are known for their high power density and precise control, making them ideal for applications that require significant force and precise positioning. Common uses include heavy machinery, construction equipment, and industrial automation systems where robust and consistent performance is critical. On the other hand, pneumatic actuators use compressed air to produce linear motion. They are often preferred for their simplicity, speed, and cleanliness, making them suitable for applications in food processing, packaging, and other environments where cleanliness and rapid cycling are essential.

[0035] In addition to the hydraulic and pneumatic actuators, actuator 102 could also encompass electromechanical actuators. Electromechanical actuators convert electrical energy into linear motion using mechanisms such as lead screws, ball screws, or belt drives. They offer precise control and are capable of integrating easily with computer systems for automated control and monitoring. These actuators are widely used in robotics, medical devices, and aerospace applications where precision and reliability are paramount. The flexibility to incorporate various types of actuators ensures that actuator 102 can be tailored to meet the specific requirements of diverse applications, enhancing its versatility and functionality in complex systems.

[0036] In an embodiment, the actuator 102 may include a piston rod connected with the first chain 106-1 that may be configured to move forward and backward upon actuation of the actuator 102 along with the first chain 106-1. The first chain 106-1 may be configured to couple the first sprocket 106-2 and the second sprocket 106-3 to convert the linear motion of the actuator into rotation motion in the anti-clockwise and the clockwise (define for which stroke clockwise and anti -clock wise rotation happens). Further, the drive shaft 104 may be configured to transfer rotation motion to the driven shaft 108 using a gear mechanism 110. The driven shaft 108 moves opposite to the drive shaft 104. In addition, the first sprocket 106-2 and the second sprocket 106-3 may be configured to avoid jerk and fluctuation in reciprocating or linear motion.

[0037] In an embodiment, the second chain-sprocket mechanism 114 may include a first pair of sprockets 114-1, a first pair of one-way sprockets 114-2, and a second chain 114- 3. The first pair of sprockets 114-1 may be positioned at the drive shaft 104 and the first pair of one-way sprockets 114-2 may positioned at the output shaft 112. The first pair of sprockets 114-1 may be coupled to the first pair of one-way sprockets 114-2 through the second chain114-3 for transferring rotation movement to the output shaft 112. The second chain-sprocket mechanism 114 and third chain-sprocket mechanism 116 i.e., the pair of sprockets were used in place of single sprocket system to avoid slipping / loss at the end of each stroke of the linear actuator as slipping / impact load is distributed between the two one way sprockets and thus the slip / loss / jerk on the output shaft can be reduced)

[0038] In an embodiment, the third chain-sprocket mechanism 116 may include a second pair of sprockets 116-1, a second pair of one-way sprockets 116-2, and a third chain 116-3. The second pair of sprockets 116-1 may be positioned at the driven shaft 108 and the second pair of one-way sprockets 116-2 may be positioned at the output shaft 112. The second pair of sprockets 116-1 coupled to the second pair of one-way sprockets 116-2 through the third chain 116-3 for transferring rotation movement to the output shaft 112. The first pair of one-way sprockets 114-2 may be coupled and the second pair of one-way sprockets 116-2 may be configured to rotate to the output shaft 112 only in one direction.

[0039] In an embodiment, the system 100 may include a first-spring tensioner 120 and a second-spring tensioner 122. The first-spring tensioner 120 may be configured to push the second chain 114-3 to avoid slippage of the second chain 114-3 during transferring rotation movement from the drive shaft 104 to the output shaft 112 and the second-spring tensioner 122 may be configured to push the third chain 116-3 to avoid slippage during transferring rotation movement from the driven shaft 108 to the output shaft 112.

[0040] In an embodiment, the first-spring tensioner 120 and the second-spring tensioner 122 may include a spring mechanism that may be configured to apply biased force to the respective chain to avoid slippage, lag, and jerk during transferring rotation movement from the drive shaft 104 and driven shaft 108 to the output shaft 112. In addition, the first pair of one-way sprockets 114-2 and the second pair of one way sprockets 116-2 may be configured to minimize the lag transferring power to the output shaft 112 by locking at least one sprocket of pair 114-2 or 116-2 one by one to rotate output shaft in one direction which is positioned on same output shaft 112.

[0041] In an embodiment, the plurality of bearings 124 may be configured to provide support to the supporting shaft 118, the drive shaft 104, the driven shaft 108, and the output shaft 112 facilitating rotational movement to each shaft within the system 100.

[0042] In an embodiment, the gear mechanism 110 may include a first gear 110-1 and a second gear 110-2. The first gear 110-1 may be positioned at the drive shaft 104 and the second gear 110-2 may be positioned at the driven shaft 108. The first gear 110-1 may becoupled to the second gear 110-2 to transfer rotation movement from the drive shaft 104 to the driven 108 shaft with a 1 : 1 gear ratio.

[0043] In an implementation, during forward stroke of the actuator 102, the drive shaft 104 rotate in clockwise direction and the driven shaft 108 rotate in anticlockwise direction. Similarly, during backward stroke of the actuator, the drive shaft 104 rotate in anticlockwise direction and the driven shaft 108 rotate in clockwise direction The output shaft 112 rotatably coupled to the drive shaft 104 and the driven shaft 108 through the second chain-sprocket mechanism 114 and the third chain-sprocket mechanism 116 rotate the output shaft 112 in one direction e.g., the clockwise or anti -clockwise direction, where the first pair of one-way sprockets 114-2 may be coupled and the second pair of one-way sprockets 116-2 may be configured to rotate to the output shaft 112 only in one direction for transmitting rotational motion to an external load or device

[0044] For example, in an industrial conveyor belt system, a novel mechanism is employed to convert alternating linear motion into continuous unidirectional rotational motion, driving the conveyor belt. The system features an actuator, such as a reciprocating piston or lever, moving forward during the drive stroke and backward during the return stroke. The drive shaft, connected to the actuator, rotates clockwise during the forward stroke and counterclockwise during the backward stroke. Concurrently, the driven shaft rotates counterclockwise during the forward stroke and clockwise during the backward stroke. The output shaft, rotatably coupled to both the drive and driven shafts via a second chain-sprocket mechanism and a third chain-sprocket mechanism, rotates unidirectionally. This is facilitated by the incorporation of first and second pairs of one-way sprockets, which allow the output shaft to rotate only in one direction regardless of the alternating input. This mechanism ensures the efficient and reliable operation of the conveyor belt by providing a consistent rotational output, essential for the continuous movement of goods along the conveyor line.

[0045] The output shaft 112 rotates in a single direction (clockwise or anticlockwise) regardless of the direction of the actuator’s movement. This consistent rotation is achieved through the one-way sprockets in the chain-sprocket mechanisms, which only transmit torque in the desired direction to the output shaft. Thus, receive continuous rotational motion in one direction, ensuring smooth and efficient propulsion and reducing loss at the end of each stroke.

[0046] FIGs. 2A and 2B illustrate top views of the proposed system in forward and backward positions, respectively, with the output shaft (112), according to embodiments of the present disclosure. FIG. 2A shows the top view of the system when the actuator is in theforward position, highlighting the rotational directions of the drive shaft (104) and driven shaft (108) and the coupling with the output shaft (112) through the second chain-sprocket mechanism (114) and third chain-sprocket mechanism (116). FIG. 2B shows the top view of the system when the actuator is in the backward position, similarly highlighting the rotational directions of the shafts and their coupling.

[0047] FIGs. 3A and 3B illustrate top views of the proposed system in backward and forward positions, respectively, without the output shaft (112), according to embodiments of the present disclosure. FIG. 3 A shows the top view of the system in the backward position, detailing the rotational movements of the drive shaft (104) and driven shaft (108) in isolation from the output shaft (112). FIG. 3B shows the top view of the system in the forward position, similarly detailing the isolated rotational movements of the drive shaft (104) and driven shaft (108).

[0048] FIGs. 4A and 4B illustrate side views of the proposed system, according to embodiments of the present disclosure. FIG. 4A shows a side view of the system, focusing on the alignment and interaction of the drive shaft (104), driven shaft (108), and the output shaft (112) through the chain-sprocket mechanisms (114 and 116) during the forward stroke of the actuator. FIG. 4B shows a side view of the system during the backward stroke of the actuator, emphasizing the continued alignment and interaction of these components.

[0049] Referring to FIG. 5, a depicting chain sprocket mechanism used in the proposed system 100 is disclosed. The chain-sprocket mechanism 500 plays a crucial role in converting linear motion into rotational motion and ensuring the efficient transfer of mechanical power. The chain-sprocket mechanism 500 includes a chain 504 and a one-way sprocket 502, which are integral components of the system 100. For example, the chain 504 is typically made from high-strength steel to withstand the forces exerted during operation. It consists of a series of links interconnected by pins, providing flexibility and strength. The length of the chain 504 is carefully selected to ensure proper engagement with the sprockets. The chain 504 tension is maintained using spring tensioners to prevent slippage and ensure smooth motion transfer. The one-way sprocket 502 is made from hardened steel to resist wear and provide long -lasting performance. The one-way sprocket 502 has teeth that engage with the links of the chain 504. The one-way sprocket 502 may be positioned on the output shaft 112 within the system 100 to ensure accurate alignment with the chain. Proper alignment is critical to avoid uneven wear and ensure efficient power transmission.

[0050] While the foregoing describes various embodiments of the disclosure, other and further embodiments of the disclosure may be devised without departing from the basicscope thereof. The scope of the disclosure is determined by the claims that follow. The disclosure is not limited to the described embodiments, versions, or examples, which are included to enable a person having ordinary skill in the art to make and use the invention when combined with information and knowledge available to the person having ordinary skill in the art.ADVANTAGES OF THE PRESENT DISCLOSURE

[0051] The present disclosure is to provide an improved system to efficiently convert linear motion into rotational motion with minimal energy losses, thereby increasing overall system efficiency.

[0052] The present disclosure is to provide an improved system that reduces mechanical wear, extending the lifespan of the components involved.

[0053] The present disclosure is to provide an improved system that is capable of providing smooth and controlled bidirectional rotational motion to accommodate various industrial applications.

[0054] The present disclosure is to provide an improved system to minimize slippage during the transfer of motion, ensuring consistent and reliable operation.

Claims

I Claim:

1. A system (100) for converting linear motion into rotational motion, the system (100) comprising; a linear actuator (102) rotatably coupled to a drive shaft (104) through a first chain-sprocket mechanism (106), wherein the linear actuator (102) is configured to generate reciprocating movement which rotates the drive shaft (104) in an anticlockwise and a clockwise direction using the first chain-sprocket mechanism (106); a driven shaft (108) rotatably coupled to the drive shaft (104) through a gear mechanism (110) to rotate the driven shaft (108) in an anti-clockwise and a clockwise direction using the gear mechanism (110) based on the movement of the linear actuator (102); and, an output shaft (112) rotatably coupled to the drive shaft (104) and the driven shaft (108) through a second chain-sprocket mechanism (114) and a third chainsprocket mechanism (116) to rotate the output shaft (112) in the clockwise or anticlockwise direction for transmitting rotational motion to an external load or device, wherein at forward stroke of the linear actuator, the drive shaft (104) rotates in the clockwise direction and the driven shaft (108) rotates in the anti-clockwise direction, and at backward stroke of the linear actuator, the drive shaft (104) rotates in the anti-clockwise direction and the driven shaft (108) rotates in the clockwise direction, and wherein the output shaft rotates in one direction regardless of the direction of movement of the linear actuator.

2. The system (100) as claimed in claim 1, wherein the first chain-sprocket mechanism (106) comprises a first chain (106-1), a first sprocket (106-2), and a second sprocket (106-3), wherein the first chain (106-1) is connected to the linear actuator (102).

3. The system (100) as claimed in claim 2, wherein the first sprocket (106-2) is positioned at the drive shaft (104) and the second sprocket is positioned at a supporting shaft (118), wherein a segment of the first chain (106-1) is configured around the first sprocket (106-2) and the second sprocket (106-3) to facilitate the clockwise and anti-clockwise movement along an axial alignment with the linear actuator (102).

4. The system (100) as claimed in claim 1, wherein the second chain-sprocket mechanism (114) comprises a first pair of sprockets (114-1), a first pair of one-way sprockets (114-2), a second chain (114-3), wherein the first pair of sprockets (114-1) is positioned atthe drive shaft (104) and the first pair of one-way sprockets (114-2) is positioned at the output shaft (112).

5. The system (100) as claimed in claim 4, wherein the first pair of sprockets (114-1) coupled to the first pair of one-way sprockets (114-2) through the second chain (114-3).

6. The system (100) as claimed in claim 1, wherein the third chain-sprocket mechanism (116) comprises a second pair of sprockets (116-1), a second pair of one-way sprockets (116- 2), and a third chain (116-3), wherein the second pair of sprockets (116-1) is positioned at the driven shaft (108) and the second pair of one-way sprockets (116-2) is positioned at the output shaft (112).

7. The system (100) as claimed in claim 6, wherein the second pair of sprockets (116-1) coupled to the second pair of one-way sprockets (116-2) through the third chain (116-3) for transferring rotation movement to the output shaft (112), wherein the e first pair of one-way sprockets (114-2) and the second pair of one-way sprockets (116-2) are configured to rotate the output shaft (112) in only one direction.

8. The system (100) as claimed in claim 1, wherein the system (100) comprises a first- spring tensioner (120) and a second-spring tensioner (122), the first-spring tensioner (120) configured to push the second chain (114-3) to avoid slippage during transferring rotation movement from the drive shaft (104) to the output shaft (112) and the second-spring tensioner (122) configured to push the third chain (116-3) to avoid lag during transferring rotation movement from the driven shaft (108) to the output shaft (112).

9. The system (100) as claimed in claim 1, wherein the system (100) comprises a plurality of bearings (124) configured to provide support to the supporting shaft (118), the drive shaft (104), the driven shaft (108), and the output shaft (112) facilitating rotational movement to each shaft within the system (100).

10. The system (100) as claimed in claim 1, wherein the gear mechanism (110) comprises a first gear (110-1) and a second gear (110-2), the first gear (110-1) positioned at the drive shaft (104) and the second gear (110-2) positioned at the driven shaft (108), wherein the first gear (110-1) coupled to the second gear (110-2) configured to transfer rotation movement from the drive shaft (104) to the driven (108) shaft with 1: 1 gear ratio.

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