scott russell mechanism applicationpacific basketball coach

Moreover, in the present invention, the base end part of either one of the sub arm member or the main arm member is linearly movable by the second ball screw. 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. 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. One of the ends is then connected to something that can generate linear motion, such as a rolling or sliding connection, or another straight line mechanism. 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. [3], The linkage does not share the disadvantages of the asymmetric Panhard rod, and although more compact than Watt's linkage, it has all the forces concentrated in one link.[4]. Any in SPE Disciplines (4) Conference. PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY. 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. The Scott Russell mechanism device of. 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. It is possible to generate an exact straight line using the slider crank mechanism but the range of motion is limited. A Scott Russell mechanism device, comprising: a sub arm member pivotably coupled to the main arm member by a coupling shaft; and. Therefore, the rotation unit can perform the postural displacement in a different range from the case of coupling in an order different from the above, and the application of the Scott Russell mechanism device according to the present invention further expands. SQUSE INC., JAPAN, Free format text: wherein either one of the base end part of the sub arm member or the base end part of the main arm member is pivotably coupled to the second linearly-moving unit about the virtual straight line as the pivoting axis thereof. A pivoting unit having a pivoting part that is pivotable centering on an axis in parallel to the pivoting axis of the joint unit may be coupled to the rotor of the rotation unit. Scott-Russell mechanism. Scott-Russell mechanism: The schematic of a flexure hinge-based Scott-Russell mechanism is depicted in Figure 3. The connections between links are modeled as providing ideal movement, pure rotation or sliding for example, and are called joints. Conventionally, various kinds of devices using a Scott Russell mechanism exist. The main arm member and the sub arm member may be pivotable about the virtual straight line as a pivoting axis thereof. The Scott Russell mechanism device of, 17. The structural application of flexure hinges in the SR mechanism is especially important to practically play a powerful role in the positioning stage and precision cutting. The linkage is named after John Scott Russell (18081882), although watchmaker William Freemantle had already patented it in 1803. 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. Thus, the degree of posturing freedom of the rotor of the rotation unit positioned to the farthest tip end increases, and the application of the Scott Russell mechanism device according to the present invention further expands. Bridge-type amplification mechanism Bridge-type mechanism, rhombic mechanism, double-rocker mechanism, scott-russell mechanism, honey comb mechanism, and lever mechanism are a few amplification mechanisms which have been used for micro/nano manipulation purposes [ 33, 34, 35, 36, 37 ]. 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. These displacement amplifier mechanisms often have a proper amplification ratio capable of large working strokes; however, their low resonant frequency limits their application in high-performance jet dispensers. Freemantle straight-line linkage from British Patent 2741, November 17, 1803. Conventionally, various kinds of devices using a Scott Russell mechanism exist. Scott Russell has filed for patents to protect the following inventions. 3. Either one of the base end part of the sub arm member or the base end part of the main arm member may be pivotably coupled to the second linearly-moving unit about the virtual straight line as the pivoting axis thereof. Moreover, in the present invention, the gripping unit is attached to the tip end side of the pivoting unit. wherein 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, and a first distance from the base end part of the main arm member to a coupling position of the main arm member to the sub arm member, a second distance from the coupling position of the main arm member to a tip end part thereof, and a third distance from the base end part of the sub arm member to the coupling position are equal to each other. With the industrial robot according to Patent Document 1, both of the arm members are rotated (turned) about the screw shaft. cartesian coordinate type, Programme-controlled manipulators characterised by movement of the arms, e.g. Scott A. Russell has filed for patents to protect the following inventions. Further, in the present invention, the gripping unit is attached to the rotor of the rotation unit. Priority claimed from JPPCT/JP2011/058124. Ce bouton affiche le type de recherche actuellement slectionn. This paper presents the structural design and analysis of a novel compliant gripper based on the Scott-Russell (SR) mechanism. Classified in two types: 1- Exact straight line mechanisms:- Paucellier mechanism, Hart mechanism, Scott-Russel mechanism, Kempe mechanism,etc. an angle changer for changing a coupling angle between the main arm member and the sub arm member. Therefore, the rotation unit attached to the joint unit via the pivoting member can displace its rotor independently of the amount of the displacement of the tip end part of the main arm member, and the postural displacement of the rotor positioned at the farthest tip end increases much more. 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. 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. 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. mechanism of machinery straight and parallel line mechanism table of contents straight line mechanism introduction history different mechanism used for Manufacturing methods for gripping devices, robot devices, control methods, control programs, recording media, and articles. Scott-Russell variation #1. The device may include a pivoting drive source for driving the pivots of the main arm member and the sub arm member centering on the pivoting axis. The flexure-based Scott-Russell mechanism can be simplified as four bar mechanism and shown in Fig. The Scott-Russell mechanism gives a theoretically linear motion by using a linkage form with three portions of the links all equal, and a rolling or sliding connection. The movement of a body, or link, is studied using geometry so the link is considered to be rigid. Grasshopper mechanism. Therefore, the application of the Scott Russell mechanism device according to the present invention expands. European Patent Office, Extended European Search Report Issued in Application No. Therefore, as for the application of the Scott Russell mechanism device according to the present invention, the posture of the joint unit can be changed in the total of two kinds of manners. [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. The proposed stage showed the first natural frequency of 57 Hz and the maximum stroke of 122.84 m, 108.46 m, 0.685 mrad in the x-, y-, and -direction, respectively. Moreover, 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. By the constraints of the geometry point A moves in a circular path and as the point A moves in a circle point P traverses an exact straight line path normal to the line joining O2 and O4.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'brighthubengineering_com-large-mobile-banner-1','ezslot_14',174,'0','0'])};__ez_fad_position('div-gpt-ad-brighthubengineering_com-large-mobile-banner-1-0'); From the construction of the Peaucellier linkage it is clear that this is a much more complex mechanism than the mechanisms generating approximate straight lines, which were simple four bar linkages. 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. The device may include a pivoting drive source for driving the pivots of the main arm member and the sub arm member centering on the pivoting axis. In the present invention, the rotation unit having the rotor is coupled to the joint unit. A Scott Russell mechanism device is formed into a boomerang-like shape such that a main arm member coupled to a sub arm member is curved to detour a coupling position. The resonant frequency was improved by embedding a Scott-Russell mechanism [ 31 ]. The Scott Russell mechanism device of, 16. Scott-Russell Mechanism. Scott Russell mechanism applied to a drive structure of a feed arm. Either one of the base end part of the main arm member or the base end part of the sub arm member may be pivotably coupled to the first linearly-moving unit about the virtual straight line as the pivoting axis thereof. This paper describes the development of a gecko-inspired robotic gripper for grasping flat objects using Scott-Russell mechanisms. 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. It is possible to generate an exact straight line using the slider crank mechanism but the range of motion is limited. Moreover, the pivot driving unit is provided at any portion from the coupling position to the tip end side of the main arm member. Moreover, in the present invention, the pivot of the joint unit pivotably coupled to the tip end part of the main arm member is driven by the pivot driving unit. This paper describes the design of an exact straight line motion mechanism, commonly known as a Scott-Russell mechanism (SRM), for industrial application. These mechanisms are governed by Kinematics the study of geometry and motion. demonstrated by a study of mechanisms already in existence, such as the linkage of a retractable landing gear, computing mechanisms, mechanisms used in an automobile, and the like. a sub arm member pivotably coupled to the main arm member; and. Moreover, in the Scott Russell mechanism device according to the present invention, the sub arm member may be linearly formed. Jasen Russell tendre la recherche. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). 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. 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, and a first distance from the base end part of the main arm member to a coupling position of the main arm member to the sub arm member, a second distance from the coupling position of the main arm member to a tip end part thereof, and a third distance from the base end part of the sub arm member to the coupling position are equal to each other. CORROSION 2003 (1) CORROSION 2004 (1) International Petroleum Technology Conference (1) Offshore Technology Conference Asia (1) Publisher. In the present invention, the base end part of either one of the sub arm member or the main arm member is linearly movable by the second ball screw. The linkage has a rhombic loop formed of the equal lenght members, 5, 6, 7 and 8. Patent Document 1 discloses a Scott Russell mechanism applied to an industrial robot. 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. The present invention is made in view of the above situations, and aims to provide a Scott Russell mechanism device that is capable of drawing close to a tip end part of a main arm member proximally to a sub arm member by forming the main arm member into a boomerang-like shape without arranging both of the arm members offset from each other. One link is double the size of the other, and is connected to the smaller link by its midpoint. One such example is Scott-Russell Mechanism as shown in the figure. The Scott Russell mechanism device of, 18. In the present invention, the rotation unit is coupled to the joint unit. In the present invention, either one of the base end parts of both of the arm members is linearly moved by the rotation of the first ball screw, and the pivots (turnings) of both of the arm members are driven about the virtual straight line connecting the base end parts of both arm members therebetween as the pivoting axis thereof so as to turn only both of the arm members. Campbell, Scott SPE Disciplines. Here is a sampling of five herbs that have demonstrated potential immune support benefits: 1. It is possible to generate an exact straight line using the slider crank mechanism but the range of motion is limited. Animation of the Scott Russell Linkage attached to a Peaucellier-Lipkin Linkage. 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. It is evident from the figure that this mechanism is made up of isosceles triangles, AB, AC and AO2 are of equal lengths. Therefore, the posture of the joint unit can be controlled freely, and additionally, since the pivot driving unit is provided from the coupling position toward the tip end side of the main arm member, the distance to the joint unit becomes close, and the drive transmission mechanism can be scaled down. Copyright 2022 Bright Hub PM. 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 attach units to the tip end side of the main arm member and change postures of the units variously. The Scott Russel mechanism converts linear motion in one direction to another direction. In this mechanism, the slider is replaced by a link traveling . A standard Scott Russell straight- mechanism was invented by a French army officer, line mechanism provides an exact straight-line mo- Charles Nicolas Peaucellier, in 1864.

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