In the present invention, the gripping unit is attached to the rotor of the rotation unit. 10. Moreover, in each of the above-described patent documents, various kinds of units, such as the holder, the arm, and the hand, are attached to the tip end of the main arm member. cartesian coordinate type by rotating at least one arm, excluding the head movement itself, e.g. 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. 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. Simply download our free CAD . Further, in the present invention, the gripping unit is attached to the rotor of the rotation unit. In the present invention, the pivoting of the joint unit pivotably coupled to the tip end part of the main arm member is driven by the pivot driving unit. Theory of Machines and Mechanisms - John J. Uicker 2003 This work is a supplement to accompany the authors' main 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. 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). Two equal length length links are connected to the opposite corners of the rhombus at one end and to a common fixed point at the other ends. 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. 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. It consists of both sliding and turning pairs Download Solution PDF Share on Whatsapp SQUSE INC., JAPAN, Free format text: 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. Priority claimed from JPPCT/JP2011/058124. Classified in two types: 1- Exact straight line mechanisms:- Paucellier mechanism, Hart mechanism, Scott-Russel mechanism, Kempe mechanism,etc. 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. A Scott Russell mechanism device, comprising: a sub arm member pivotably coupled to the main arm member by a coupling shaft; and. With the industrial robot according to Patent Document 1, a main arm member (the first arm 31 in Patent Document 1) and a sub arm member (the second arm 32 in Patent Document 1) have fixed thicknesses to secure a desired rigidity (have fixed width and thickness dimensions in cross-sections orthogonal to longitudinal directions of both of the arm members), and thus, as base end parts of both of the arm members (end parts on the screw shaft 21 side in Patent Document 1) are spaced from each other, the arm members interfere with each other at a coupling position of both of the arm members, and a problem arises that the tip end part of the main arm member (end part on the side where the holder H is provided in Patent Document 1) cannot be moved proximally to the sub arm member (a problem arises that the holder H is hard to be moved close at hand to the screw shaft 21 side). Application: Creates an approximate straight line if sliding along flat plane. An SR mechanism in combination with a parallelogram mechanism enables the achievement of a pure translation of the gripper tips, which is attractive for practical micromanipulation and microassembly applications. Japanese Patent Office, International Search Report of PCT/JP2012/058634, Jun. Picking mechanism with metamorphic function, Bending apparatus for material testing and micro-ct imaging, mechanical arm with synchronous belt transmission device, Suitable for the lifting mechanism of disk-like accessory, STRIP CUTTING SYSTEM BY HELICOIDAL KNIVES AND CORRESPONDING CUTTING PROCESS, Improvements in or relating to overhead electric traction systems, Robot arm for use with injection moulding machine, Joint structure of arm, etc. Conventionally, various kinds of devices using a Scott Russell mechanism exist. Copyright 2022 Bright Hub PM. 38. 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. 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. 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. US 9,505,138 B2 device. 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. An axis of the pivot of the pivoting member may be in parallel to the pivoting axis of the joint unit. Furthermore, a Scott-Russell mechanism and lever mechanism are arranged in series for constituting a two-grade displacement amplifier to conquer the small displacement of PZTs in each axis. Highlight matches. (Stuart Jonathan) Instructor's solution manual for artificial intelligence : a modern approach (second edition) / Stuart Russell, Peter Norvig. In this mechanism, the slider is replaced by a link traveling . 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. In the present invention, the gripping unit is attached to the rotor of the rotation unit. 4. 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 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. A rotation unit having a rotor may be coupled to the pivoting member. Il permet de dtailler la liste des options de recherche, qui modifieront les termes saisis pour correspondre la slection actuelle. If you need custom mechanical parts machined - eMachineShop can help. cylindrical coordinate type or polar coordinate type, GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS, TECHNICAL SUBJECTS COVERED BY FORMER USPC, TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS, TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION, Multiple controlling elements for single controlled element, The United States Of America As Represented By The Secretary Of The Navy, Gilman Engineering & Manufacturing Co., Llc, The Regents Of The University Of Michigan, ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SASAKI, HIROMICHI;SHIMIZU, MIKIO;ICHIKAWA, YASUNORI;REEL/FRAME:031303/0520, PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY, Motor-driven articulated arm with cable capstan including a brake, Substrate transfer unit, substrate treating apparatus including the same, and substrate treating method, Drive mechanism and manufacturing apparatus, Based on the collapsible explorer mechanical arm of triangle configuration link transmission, Device for carrying out a phase-locked linear displacement of two shafts arranged in parallel, Picking mechanism with metamorphic function, Bending apparatus for material testing and micro-ct imaging, mechanical arm with synchronous belt transmission device, Suitable for the lifting mechanism of disk-like accessory, STRIP CUTTING SYSTEM BY HELICOIDAL KNIVES AND CORRESPONDING CUTTING PROCESS, Motorized manipulator of the cable transmission type having an increased field of action, Scara type robot with counterbalanced arms, Pick and place device having two parallel axes, Improvements in or relating to overhead electric traction systems, Joint structure of arm, etc. 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. wherein the device comprises 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 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. an angle changer for changing a coupling angle between the main arm member and the sub arm member, wherein a joint unit is pivotably coupled to the tip end part of the main arm member, and, 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, a pivoting mechanism unit for automatically pivoting the joint unit cooperating with the angle change by the angle changer; and. Universal Joint/Hooke's Joint. ULTRASOUND SYSTEM FRONT-END CIRCUIT FOR A 128-ELEMENT ARRAY PROBE Publication number: 20220381890 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. 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. 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. This paper presents the structural design and analysis of a novel compliant gripper based on the Scott-Russell (SR) mechanism. 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. ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SASAKI, HIROMICHI;SHIMIZU, MIKIO;ICHIKAWA, YASUNORI;REEL/FRAME:031303/0431, Free format text: 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. Scott A. Russell has filed for patents to protect the following inventions. Debates (Hansard) No. 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 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. 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. With the suffering came a wave of change that saw millions after their opinions towards not only war, but life itself. 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. 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. 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. Furthermore, Patent Document 4 discloses a Scott Russell mechanism applied to an industrial robot. The present invention can be switched, as for the joint unit attached to the tip end of the main arm, to the total of two ways of pivoting including the pivot cooperating with the angle change of the arm members at the coupling position and the pivot independent from the angle change, and thus the Scott Russell mechanism device can suitably be used for various applications. 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. In the present invention, the rotation unit is coupled to the joint unit. The linkage is composed of two links. 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. Furthermore, Patent Document 4 discloses a Scott . The Scott Russell mechanism device of, 17. Moreover, in the Scott Russell mechanism device according to the present invention, a pivoting member may be pivotably coupled to the joint unit. It is possible to generate an exact straight line using the slider crank mechanism but the range of motion is limited. 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. Emplois Personnes LinkedIn Learning . In the present invention, the joint unit, the rotation unit, and the pivoting unit are coupled to each other in this order. 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. One link is double the size of the other, and is connected to the smaller link by its midpoint. It is possible to generate an exact straight line using the slider crank mechanism but the range of motion is limited. This paper presents the structural design and analysis of a novel compliant gripper based on the Scott-Russell (SR) mechanism. CORROSION 2003 (1) CORROSION 2004 (1) International Petroleum Technology Conference (1) Offshore Technology Conference Asia (1) Publisher. In the present invention, the joint unit, the rotation unit, and the pivoting unit are coupled to each other in this order. 11862054.1, Mar. 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. ARTICULATED MOTORIZED ARM WITH CABESTAN WITH CABLE COMPRISING A BRAKE. In the present invention, the rotation unit having the rotor is coupled to the joint unit. 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.

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