A robot includes a curved arm including a first member, a second member, and a coupling member and bending in a longitudinal direction, the first member couples to a distal end of the coupling member in the longitudinal direction, and the second member couples to a base end of the coupling member in
A robot includes a curved arm including a first member, a second member, and a coupling member and bending in a longitudinal direction, the first member couples to a distal end of the coupling member in the longitudinal direction, and the second member couples to a base end of the coupling member in the longitudinal direction.
대표청구항▼
1. A robot comprising: a first arm extending from a base; anda second arm connected to the first arm, the second arm including a first casing, a second casing, and a coupling member,wherein the coupling member extends along a center line,the second arm is bent in a longitudinal direction,the first c
1. A robot comprising: a first arm extending from a base; anda second arm connected to the first arm, the second arm including a first casing, a second casing, and a coupling member,wherein the coupling member extends along a center line,the second arm is bent in a longitudinal direction,the first casing is coupled to a distal end of the coupling member in the longitudinal direction,the second casing is coupled to a base end of the coupling member in the longitudinal direction,a first coupling surface between the coupling member and the first casing extends along a first plane, and a second coupling surface between the coupling member and the second casing extends along a second plane parallel to the first plane,the first plane and the second plane are inclined with respect to a reference plane perpendicular to the center line of the coupling member, andan aperture is provided in the coupling member and extends from the first coupling surface to the second coupling surface along the center line of the coupling member, such that the first coupling surface and the second coupling surface are inclined with respect to the aperture and the walls of the aperture are angled with respect to the first coupling surface and the second coupling surface. 2. The robot according to claim 1, further comprising a third arm rotatably supported by the second arm, wherein a projection image of the second arm on a plane perpendicular to a rotation shaft of the third arm is bent in the longitudinal direction. 3. The robot according to claim 1, further comprising: a third arm rotatably supported by the second arm on a distal end of the second arm,wherein the first arm rotatably supports the second arm on a base-end side of the second arm,the first casing houses a driven pulley that rotates with a distal end-side driven shaft fixed to the third arm, a motor, a drive pulley that rotates with a rotation shaft of the motor, and a belt looped over the driven pulley and the drive pulley,a base end-side driven shaft rotatably supported by the first arm is fixed to the second casing, anda surface containing line segments connecting a rotation shaft of the third arm, a rotation shaft of the drive pulley, and a rotation shaft of the second arm is a curved surface. 4. The robot according to claim 1, further comprising a linear arm including a linear coupling member and not bending in the longitudinal direction. 5. The robot according to claim 4, coupling surfaces on ends of the linear coupling member are in parallel to each other and perpendicular to a straight line connecting respective centers of gravity thereof. 6. The robot according to claim 4, wherein the robot is configured to retain a hand at a distal end, wherein the linear arm is provided closer to a hand side than the second arm. 7. The robot according to claim 1, wherein the first casing houses a motor, a belt, and a plurality of pulleys for driving a third arm connected to the first casing. 8. The robot according to claim 1, wherein the first arm houses a motor, a belt, and a plurality of pulleys for driving the second arm, and the second casing houses a driven shaft driven by the motor, the belt, and the plurality of pulleys in the first arm.
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이 특허에 인용된 특허 (6)
Pannekoek, Robert John, Elongate member with interconnected rotatable portions.
Karlen James P. (Bethel OH) Thompson ; Jr. Jack M. (Cincinnati OH) Kowalski Keith A. (Cincinnati OH) Bockhold John (Cincinnati OH) Damico David (Lebanon OH), Industrial robot with servo.
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