cartesian coordinate type, Programme-controlled manipulators characterised by movement of the arms, e.g. SQUSE INC., JAPAN, Free format text: Therefore, the application of the Scott Russell mechanism device according to the present invention expands. 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. Jasen Russell tendre la recherche. It is a four bar mechanism and all the pairs are turning pairs as shown in Fig. It consists of both sliding and turning pairs Download Solution PDF Share on Whatsapp Note that, a direction of the X-axis illustrated in, About the above-described angle on the coupling position, When the coupling angle between the main arm member, In a case where the main and sub arm members, Therefore, for example, when the second motor M, Note that, in a case where the change of increasing the coupling angle is desired to be performed quickly, the rotations of the first and second motors M, Note that, the rotations of the first and second motors M, Note that, the Scott Russell mechanism device, Moreover, in a case where it is desired to point the gripping unit, Further, regarding the mechanism for pivoting the joint unit, Moreover, with the configuration as described above, it is suitable for the fourth motor M, Moreover, other than the application of gripping, for example, in a case of applying to the application of placing and moving the workpieces, a placing unit or the like is attached instead of the gripping unit, That is, the Scott Russell mechanism device, As for the Scott Russell mechanism device, Note that, also as for the Scott Russell mechanism device. The Scott Russell mechanism device of, 18. The main arm member may be formed linearly in a first section extending from the base end part to the part corresponding to the coupling position and 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. for multi-joint type robot, Gravitation balancing device, articulated robot, and wrist device for robot, IMPROVEMENTS ON PLANE MANIPULATORS WITH FROZEN OR PROGRAMMABLE TRAVEL AT VERY HIGH RATES, Mechanical arm with a 2 freedom-degree wrist attitude regulation mechanism, Exhaust gas purification catalyst and method for producing the same, Motor driven articulated arm with cable capstan including a brake, Robot arm, robot, and robot operation method. Japanese Patent Office, International Search Report of PCT/JP2011/058124, Jun. The point A of the rhombus is connect to fixed point O2 through the link 2. The Evans 'grasshopper' linkage is a variant of a Scott Russell linkage which uses a long link to create a large enough arc to approximate a line. 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. Scott-Russell Mechanism. The flexure-based Scott-Russell mechanism can be simplified as four bar mechanism and shown in Fig. wherein a rotation unit having a rotor is coupled to the pivoting member. Theory of Machines and Mechanisms - John J. Uicker 2003 This work is a supplement to accompany the authors' main text. Further, Patent Document 2 discloses a Scott Russell mechanism applied to a positioning transport device. PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY. Therefore, even if the main arm member and the sub arm member are not arranged to offset from each other, when the coupling angle is changed so that the base end parts of both of the arm members are separated from each other, interference between the arm members at the coupling position of both of the arm members is subsided, and the tip end part of the main arm member is easily drawn close to the sub arm member. Universal Joint/Hooke's Joint. Therefore, by the rotor of the rotation unit where the amount of the postural displacement is increased compared to the conventional device, the Scott Russell mechanism device according to the present invention can be applied to the application of performing the gripping while flexibly responding to the orientation of a workpiece as a gripping target. Developed by James Watt for reciprocating piston of steam engine. 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. Thus, when the coupling angle is changed so that a base end part of the main arm member and a base end part of the sub arm member are most separated from each other, a tip end . cartesian coordinate type by rotating at least one arm, excluding the head movement itself, e.g. Peaucellier linkage can convert an input circular motion to the exact straight line motion. This paper will discuss the mechanical design theoretical modeling and analyses, finite element analysis and experimental verification. 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. In the present invention, the main arm member is formed into the boomerang-like shape to detour to the opposite side of the side where the sub arm member is positioned. IPTC (1) NACE (2) OTC (1) Date. 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. 10.
Exact dimensions of scott russell mechanism - caqweoutlet 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. However, since both of the arm members are arranged offset from each other in the overlapped direction, a problem arises that the thickness dimension (dimension in the direction overlapping both of the arm members) of the device increases, and since the centers of both of the arm members in the thickness direction do not match with each other, a problem also arises that the balance in weight degrades in both of the entire arm members.
Scott Russell's Mechanism - Special Mechanism - YouTube The Scott-Russell mechanismThe structural application of flexure hinges in the SR amplifying mechanism is especially important to practically play an important role in the positioning stage and precision cutting. 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. A straight-line mechanism causes a point to travel in a straight line, or in a nearly straight line, without being guided by a plane surface. A Scott Russell linkage is a linkage which translates linear motion through a right angle. The First World War brought about much destruction and horror to extents that the world had never before seen.
US20140026705A1 - Scott russell mechanism device - Google This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO). Application: Creates an approximate straight line if sliding along flat plane. If you need custom mechanical parts machined - eMachineShop can help. The mechanism to the right can be refered to as the Scott Russell Mechanism or a more descriptive name is the Scott Russell Exact Straight Line Mechanism. 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. A joint unit pivotably coupled to a tip end part of a main arm member of a Scott Russell mechanism is pivoted in two ways. 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, the gripping unit is attached to the rotor of the rotation unit. 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.
Jasen Russell sur LinkedIn : The mystery of what's eating our plastic 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. 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. With the suffering came a wave of change that saw millions after their opinions towards not only war, but life itself. This article about an automotive technology is a stub.
PDF 2. Modified Scott-Russel mechanism. - Rama University 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, resulting in only both of the arm members turning. It is evident from the figure that this mechanism is made up of isosceles triangles, AB, AC and AO2 are of equal lengths. The Scott Russell mechanism device of, 12. 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. 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. STRAIGHT LINE MOTION MECHANISM Converts rotary motion into a straight line motion. 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. 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. Note that, a direction of the X-axis illustrated in, About the above-described angle on the coupling position, When the coupling angle between the main arm member, In a case where the main and sub arm members, Therefore, for example, when the second motor M, Note that, in a case where the change of increasing the coupling angle is desired to be performed quickly, the rotations of the first and second motors M, Note that, the rotations of the first and second motors M, Note that, the Scott Russell mechanism device, Moreover, in a case where it is desired to point the gripping unit, Further, regarding the mechanism for pivoting the joint unit, Moreover, with the configuration as described above, it is suitable for the fourth motor M, Moreover, other than the application of gripping, for example, in a case of applying to the application of placing and moving the workpieces, a placing unit or the like is attached instead of the gripping unit, That is, the Scott Russell mechanism device, As for the Scott Russell mechanism device, Note that, also as for the Scott Russell mechanism device, Therefore, also in the third embodiment, similarly to the first embodiment, if the control on the fourth motor by a motor controller (corresponding to a switch means) provided accompanying the Scott Russell mechanism device, According to the configuration above, also as for the Scott Russell mechanism device. Further, as for the positioning transport device according to Patent Document 2, the drive structure of the feed arm according to Patent Document 3, the industrial robot according to the Patent Document 4, and the transport device according to Patent Document 5, the main arm member and the sub arm member are overlapped on and coupled to each other in a thickness direction, and thus, the tip end part of the main arm member is easily drawn proximally to the sub arm member. ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SASAKI, HIROMICHI;SHIMIZU, MIKIO;ICHIKAWA, YASUNORI;REEL/FRAME:031303/0520, Free format text: In the present invention, the shape of the main arm member is a boomerang-like shape. The dynamic equations of a micro-positioning Scott-Russell (SR) mechanism associated with two flexible hinges and an offset are developed and it is found that offsets of flexure hinges obviously affect the amplifying factor and linearity ratio, and appear to dominate the changes of magnification factors. 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. SQUSE INC., JAPAN, Free format text: These mechanisms are governed by Kinematics the study of geometry and motion.
US9505137B2 - Scott Russell mechanism device - Google Patents It is possible to generate an exact straight line using the slider crank mechanism but the range of motion is limited.
Dynamic modeling of a scott-russell amplifying mechanism driven by a An axis of the pivot of the pivoting member may be in parallel to the pivoting axis of the joint unit. Therefore, by the rotor of the rotation unit where the amount of the postural displacement is increased compared to the conventional device, the Scott Russell mechanism device according to the present invention can be applied to the application of performing the gripping while flexibly responding to the orientation of a workpiece as a gripping target. 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. You can help Wikipedia by expanding it. ARTICULATED MOTORIZED ARM WITH CABESTAN WITH CABLE COMPRISING A BRAKE. 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. Therefore, compared to the case of coupling the units in an order different from above, the pivoting unit positioned at the farthest tip end can perform the postural displacement in a different range. 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.
Development of a gecko-like robotic gripper using Scott-Russell mechanisms Machines as simple as livers, machines such as James Watts steam engine and the industrial robots such as PUMA all are composed of mechanisms whether simple, complex or combination of many simple and complex mechanisms. Owner name: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Here is a sampling of five herbs that have demonstrated potential immune support benefits: 1. 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.
The Project Gutenberg eBook of Kinematics Of Mechanisms From The Time The degree of the curve of the main arm member may be defined such that the second section of the main arm member becomes at a substantially parallel angle to the sub arm member when the angle changer changes the coupling angle so that the base end parts of the main arm member and the sub arm member are most separated from each other.