ROTATING DEVICE AND ROBOT ARM DEVICE
First Claim
1. A rotating device comprising:
- a communication unit including a transmitting portion having a first ring-shaped coil, a first ring-shaped magnetic body covering the first ring-shaped coil and a first terminal connected to the first ring-shaped coil, and a receiving portion having a second ring-shaped coil, a second ring-shaped magnetic body covering the second ring-shaped coil and a second terminal connected to the second ring-shaped coil; and
a bearing connecting a hollow fixed portion to a hollow rotating portion, which is capable of rotating with respect to the fixed portion, andwherein the first ring-shaped coil and the second ring-shaped coil are formed so as to be wound around a rotation axis of the bearing, the first ring-shaped magnetic body and the second ring-shaped magnetic body face each other with a gap formed in the direction of the rotation axis, and the communication unit is provided inside the hollow fixed portion and the hollow rotating portion.
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Accused Products
Abstract
A rotating device includes a communication unit including a transmitting portion having a first ring-shaped coil, a first ring-shaped magnetic body covering the first ring-shaped coil and a first terminal connected to the first ring-shaped coil, and a receiving portion having a second ring-shaped coil, a second ring-shaped magnetic body covering the second ring-shaped coil and a second terminal connected to the second ring-shaped coil, and a bearing connecting a hollow fixed portion to a hollow rotating portion, which is capable of rotating with respect to the fixed portion, in which the first ring-shaped coil and the second ring-shaped coil are formed so as to be wound around a rotation axis of the bearing, the first ring-shaped magnetic body and the second ring-shaped magnetic body face each other with a gap formed in the direction of the rotation axis, and the communication unit is provided inside the fixed portion and the rotating portion.
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Citations
7 Claims
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1. A rotating device comprising:
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a communication unit including a transmitting portion having a first ring-shaped coil, a first ring-shaped magnetic body covering the first ring-shaped coil and a first terminal connected to the first ring-shaped coil, and a receiving portion having a second ring-shaped coil, a second ring-shaped magnetic body covering the second ring-shaped coil and a second terminal connected to the second ring-shaped coil; and a bearing connecting a hollow fixed portion to a hollow rotating portion, which is capable of rotating with respect to the fixed portion, and wherein the first ring-shaped coil and the second ring-shaped coil are formed so as to be wound around a rotation axis of the bearing, the first ring-shaped magnetic body and the second ring-shaped magnetic body face each other with a gap formed in the direction of the rotation axis, and the communication unit is provided inside the hollow fixed portion and the hollow rotating portion. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification