PATENTED CASE, Free format text: Therefore, the gripping (chucking) flexibly responding to the orientation of a workpiece as a gripping target can be performed by the rotor of the rotation unit of which the amount of the postural displacement is increased, and the Scott Russell mechanism device according to the present invention can suitably be used for the gripping application. Additional . Scott-Russell variation #1. The proposed mechanism is applied in an internal materials movement system using autonomous guided vehicles (AGVs) for supporting logistics processes along the supply chain, aiming to replace the current manual operations. [Solved] A Scott-Russell mechanism consists of- - Testbook a second ball screw arranged in parallel to the first ball screw; and, a second linearly-moving unit for being linearly moved by a rotation of the second ball screw, and. for multi-joint type robot, Gravitation balancing device, articulated robot, and wrist device for robot, Manipulator with flat or three-dimensional trajectory suitable for high operating rate, Mechanical arm with a 2 freedom-degree wrist attitude regulation mechanism, Exhaust gas purification catalyst and method for producing the same, Motor-driven device for moving workpieces, Pick and place device having two parallel axes, Scara type robot with counterbalanced arms, Manipulator, manufacturing machine and production line using the same. Owner name: Therefore, a plurality of variations can be provided to the method of moving the base end part of both of the arm members, resulting in being able to flexibly perform the moving of the tip end part of the main arm member. cartesian coordinate type, Programme-controlled manipulators characterised by movement of the arms, e.g. Therefore, the first ball screw will be excluded from the turning targets, compared to the turnings of both of the arm members of the industrial robot relating to the reference document 1 described above, a drive torque caused by the turn is reduced, and both of the arm members can be turned smoothly. Therefore, the gripping unit can be pivoted proximally to the workpiece which is the gripping target, and the Scott Russell mechanism device including a griping function suitable for such a gripping application can be provided. Therefore, the gripping unit can be pivoted proximally to the workpiece which is the gripping target, and the Scott Russell mechanism device including a griping function suitable for such a gripping application can be provided. Further, in the Scott Russell mechanism device according to the present invention, a gripping unit may be attached to a tip end side of the pivoting unit. Therefore, a plurality of variations can be provided to the method of moving the base end part of both of the arm members, and the tip end part of the main arm member can move flexibly. Further, Patent Document 5 discloses a Scott Russell mechanism in a modified example where the coupling between the main arm member and the sub arm member is in a crank shape, the Scott Russell mechanism applied to a transport device. Design, analysis and testing of a novel decoupled 2-DOF flexure-based Further, in the Scott Russell mechanism device according to the present invention, the main arm member and the sub arm member may be pivotable about the virtual straight line as a pivoting axis thereof. PDF 2. Modified Scott-Russel mechanism. - Rama University wherein a pivoting axis of the pivot of the joint unit is in parallel to an axis of the pivots of the main arm member and the sub arm member at the coupling position, and. In the present invention, the pivoting member is pivotably coupled to the joint unit and the rotation unit having the rotor is coupled to the pivoting member. wherein the main arm member is formed linearly in a first section extending from the base end part to the part corresponding to the coupling position and in a second section extending from the part corresponding to the coupling position to the tip end part, and the part corresponding to the coupling position is curved, and. The application of the Scott Russell mechanism device according to the present invention expands by attaching various kinds of units corresponding to various applications to its rotor. Scott Russell Inventions, Patents and Patent Applications - Justia Scott-Russell Exact Straight Line Mechanism: Scott-Russell The complexity of the mechanisms to generate exact straight lines can be reduced by introduction of one or more slider crank linkages. Figure 3. Furthermore, in the Scott Russell mechanism device according to the present invention, a base end part of the main arm member and a base end part of the sub arm member that is on the opposite side from the coupling side of the sub arm member are positioned on the same virtual straight line. In order to solve the above problem, a Scott Russell mechanism device according to the present invention, a joint unit may be pivotably coupled to the tip end part of the main arm member. The flexure-based Scott-Russell mechanism can be simplified as four bar mechanism and shown in Fig. The linkage is named after John Scott Russell (18081882), although watchmaker William Freemantle had already patented it in 1803. 38. cartesian coordinate type, Programme-controlled manipulators characterised by movement of the arms, e.g. If you need custom mechanical parts machined - eMachineShop can help. Further, when both of the base end parts of both of the arm members are moved in the same direction by the same amount, both of the arm members can be moved entirely while keeping their postures. Moreover, the present invention aims to provide a Scott Russell mechanism device that allows a main arm member and a sub arm member to pivot at a base end part of both of the arm members to reduce a drive torque for turning both of the arm members, and to increase in degree of freedom in postures of various kinds of units attached to a tip end of the main arm member compared to the conventional degree. Therefore, since the rotation unit has the rotor that is rotatable independently to the displacement of the tip end part of the main arm member, the degree of freedom of the posture of the rotor of the rotation unit provided to the tip end side of the main arm member improves. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Scott Russell Mechanism 2 | PDF | Line (Geometry) | Acceleration - Scribd ARTICULATED MOTORIZED ARM WITH CABESTAN WITH CABLE COMPRISING A BRAKE. The device may include a pivot driving unit provided at any portion from the coupling position toward the tip end side of the main arm member and for pivoting the joint unit. Includes bibliographical references and index. It contains solutions to the problems in the book and is available free of charge to adopters. 33 - March 25, 2009 (40-2) - House of Commons of Canada PDF Review Article on Displacement and Force Compliant Mechanism Amplifier cartesian coordinate type by rotating at least one arm, excluding the head movement itself, e.g. Note that, the substantially parallel angle means that it does not require an accurate parallelism with respect to the sub arm member but includes a slight angle variation, and in the present invention, the substantially parallel angle can be said to be parallel as long as it is within a range of 10 with respect to the axis of the sub arm member in the longitude direction (also in other parts of description a variation range of 10 with respect to the accurate parallelism is included in the meaning of the phrase substantially parallel). Therefore, the gripping unit can be pivoted proximally to the workpiece which is the gripping target, and the Scott Russell mechanism device including a gripping function suitable for such a gripping application can be provided. Furthermore, in the Scott Russell mechanism device according to the present invention, a rotation unit having a rotor may be coupled to the joint unit. A pivoting axis of the pivot of the joint unit may be in parallel to an axis of the pivots of the main arm member and the sub arm member at the coupling position. The present invention can suitably be used for, for example, the gripping application, placing application, transportation application in which it is requested to bring the tip end part of the main arm member close to right beside the base end part of the sub arm member. Echinacea. The device may include a pivoting mechanism unit for automatically pivoting the joint unit cooperating with the angle change by the angle changer, a pivot driving unit for pivoting the joint unit via the pivoting mechanism unit independently from the angle change by the angle changer. Actuator mechanism and centrifuge having actuator mechanism, Multi-Functional Fixed Robot with Horizontal Maintenance Unit, Table drive device and work system equipped with table drive device, Driving equipment and the Workpiece clamping unit equipped with the driving equipment. In the present invention, the joint unit, the rotation unit, and the pivoting unit are coupled to each other in this order. In the present invention, when the coupling angle is changed so that the base end parts of the main arm member and the sub arm member are most separated from each other, the degree of the curve of the main arm member is defined such that the second section of the main arm member is in a substantially parallel orientation to the linear sub arm member. Moreover, in the present invention, the gripping unit is attached to the tip end side of the pivoting unit. Scott Russell Business Consultant Santa Barbara, California, United States 2K followers 500+ connections Join to connect Proactivate Consulting LLC About A Senior Business Executive with a. The use of flexure joints in the Scott Russell mechanism provides a number of advantages over traditional revolute joints, making it a valuable technology for use in space where maintenance is difficult and costly. A Scott Russell mechanism is a mechanism where a linear main arm member is pivotably coupled to a sub arm member, a distance from a base end part of the main arm member to a coupling position thereof, a distance from the coupling position of the main arm member to a tip end part thereof, and a distance from a coupling position of the sub arm member to a base end part thereof are all equal to each other, and in a case where a coupling angle between both of the arm members is changed, the tip end part of the main arm member linearly moves along a straight line connecting the tip end part of the main arm member and the based end part of the sub arm member. Exact dimensions of scott russell mechanism - caqweoutlet Scott Russell linkage - Wikipedia Learn CAD with SolidWorks 2008- Create new sketch tutorial by John Sinitsky, Creating new file in CAD program - Overview of SolidWorks2008 Menu by John Sinitsky. 19, 2012, WIPO, 4 pages. Scott A. Russell has filed for patents to protect the following inventions. Therefore, since the rotation unit has the rotor that is rotatable independently to the displacement of the tip end part of the main arm member, the degree of freedom of the posture of the rotor of the rotation unit provided to the tip end side of the main arm member improves. The present invention relates to a device applied with a Scott Russell mechanism where a main arm member and a sub arm member are coupled to each other and a coupling angle therebetween is changeable, and particularly relates to a Scott Russell mechanism device that can allow a tip end part of a main arm member to approach a sub arm member without interfering even in a case where the coupling angle of the base end parts of the main arm member and the sub arm member is changed so that the base end parts are spaced from each other, and can attach various kinds of units to the tip end side of the main arm member and change postures of the units in a wide range. Therefore, since the rotor of the rotation unit can rotate independently of the displacement of the tip end part of the main arm member, the displacement amount of the rotor of the rotation unit coupled to the tip end side of the main arm member can be increased, and the application of the Scott Russell mechanism device according to the present invention further expands. The Scott Russell mechanism device of, 17. The displacement amplification mechanism has the primary role in sensitivity and performance analysis of micro-devices (Iqbal and Malik 2019). 10.1016/j.sna.2005.06.025 | DeepDyve Specifically, the tip end part of the main arm member can be moved by only moving the base end part of the main arm member, by only moving the base end part of the sub arm member, or by moving both of the base end parts of both of the arm members, respectively. wherein a rotation unit having a rotor is coupled to the pivoting member. This paper presents the structural design and analysis of a novel compliant gripper based on the Scott-Russell (SR) mechanism. The angle changer may have a first ball screw arranged in parallel to the virtual straight line, and a first linearly-moving unit for being linearly moved by a rotation of the first ball screw. This mechanism is called as Peaucellier Exact Straight Line Mechanism and commonly more as Peaucelliers linkage. When linkage mechanisms are designed to generate exact straight lines the level of complexity increases as compared to the mechanisms designed to generate approximate straight line paths. [1][2], A different form of the linkage has been used in a front-wheel-drive vehicle with solid rear axle to control lateral movement, and with a flexing elastomeric connection instead of the rolling or sliding connection. Table drive device and work system equipped with table drive device, Driving equipment and the Workpiece clamping unit equipped with the driving equipment. a pivoting unit having a pivoting part that is pivotable centering on an axis in parallel to the pivoting axis of the joint unit is coupled to the rotor of the rotation unit. If both ends are turned into sliding connections, you get a Trammel of Archimedes. wherein the device comprises a pivoting drive source for driving the pivots of the main arm member and the sub arm member centering on the pivoting axis. Further, Patent Document 5 discloses a Scott Russell mechanism in a modified example where the coupling between the main arm member and the sub arm member is in a crank shape, the Scott Russell mechanism applied to a transport device. US9505137B2 - Scott Russell mechanism device - Google Patents Therefore, compared to the conventional device, a drive torque caused by the turning can be reduced, and both of the arm members can be turned smoothly. In the present invention, the joint unit pivotably coupled to the tip end part of the main arm member can be pivoted in the total of two kinds of manners including the pivot cooperating with the angle change between both of the arm members at the coupling position and the pivot independent of the angle change. Patent Document 1 discloses a Scott Russell mechanism applied to a industrial robot. 66 Solution Manual-AI-Russell-2nd ed - Studocu Emplois Personnes LinkedIn Learning . Further, Patent Document 2 discloses a Scott Russell mechanism applied to a positioning transport device. A Scott Russell mechanism device pivotably couples a main arm member and a sub arm member to each other, as well as it pivotably couples a joint unit to a tip end part of the main arm member. The linkage is composed of two links. Animation of the Scott Russell Linkage attached to a Peaucellier-Lipkin Linkage. The Scott Russell mechanism device of. wherein the main arm member and the sub arm member are pivotable about the virtual straight line as a pivoting axis thereof, the angle changer including: a first ball screw arranged in parallel to the virtual straight line; and, a first linearly-moving unit for being linearly moved by a rotation of the first ball screw, and, wherein either one of the base end part of the main arm member or the base end part of the sub arm member is pivotably coupled to the first linearly-moving unit about the virtual straight line as the pivoting axis thereof, and. It is evident from the figure that this mechanism is made up of isosceles triangles, AB, AC and AO2 are of equal lengths. Moreover, in the Scott Russell mechanism device according to the present invention, a pivoting member may be pivotably coupled to the joint unit. 6 Easy Ways to Support (Boost) Your Immune System Naturally PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY. The SR mechanism in combination with a parallelogram mechanism enables. The present invention is made in view of the above situations, and aims to provide a Scott Russell mechanism device that allows a main arm member and a sub arm member to pivot at a base end part of both of the arm members to reduce a drive torque for turning both of the arm members, and to increase the degree of freedom in postures of various kinds of units attached to a tip end of the main arm member compared to the conventional degree. Schematic of a Scott-Russell mechanism using flexure hinges Open in viewer For this description to be true the acting length of the short link, the blue one, needs to be half as long as the active length of the green one and the pin that connects them must be . a first ball screw arranged in parallel to the virtual straight line; and, a first linearly-moving unit for being linearly moved by a rotation of the first ball screw, and, wherein either one of the base end part of the main arm member or the base end part of the sub arm member is pivotably coupled to the first linearly-moving unit about the virtual straight line as the pivoting axis thereof, and. 1 (b), where the condition that the motion of the point B follows a vertical motion when the driving point A moves along horizontal direction is that the links AC=BC=OC. Straight and Parallel line Mechanism - Studocu In the present invention, the joint unit pivotably coupled to the tip end part of the main arm member can be pivoted in a total of two kinds of manners including the pivot cooperating with the angle change between both of the arm members at the coupling position and the pivot independent of the angle change. Application: used to connect intersecting shafts . Copyright 2022 Bright Hub PM. Fundamentals of Modern Manufacturing - Mikell P. Groover 1996-01-15 This book takes a modern, all-inclusive look at manufacturing . Scott_Russell_Straight_Line_Generator / www.inventhp.com Furthermore, in the Scott Russell mechanism device according to the present invention, the angle changer may also have a second ball screw arranged in parallel to the first ball screw, and a second linearly-moving unit for being linearly moved by a rotation of the second ball screw.
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