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Moreover, in the 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. 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 gives a theoretically linear motion by using a linkage form with three portions of the links all equal, and a rolling or sliding connection. 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. CORROSION 2003 (1) CORROSION 2004 (1) International Petroleum Technology Conference (1) Offshore Technology Conference Asia (1) Publisher. Development of a gecko-like robotic gripper using Scott-Russell mechanisms 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. 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. New Structural Design of a Compliant Gripper Based on the Scott-Russell 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. PDF 2. Modified Scott-Russel mechanism. - Rama University