Drive apparatus and robot device
AssigneeNikon Corporation
InventorsKenji Omata, Takashi Nagase
Life of this patent
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Abstract
A drive apparatus includes a motor having a drive part that rotates a first shaft member; a transmission part that transmits rotation of the first shaft member to a second shaft member which is different from the first shaft member; a first detection device provided at the first shaft member to detect information regarding rotation of the drive part; a second detection device provided at the second shaft member to detect information regarding rotation of the transmission part; and a prevention part that prevents movement of foreign substance toward a detection part which includes at least one of the first detection device and the second detection device.
Claims25
A drive apparatus comprising:
- a motor that rotates a first shaft member;
- a transmission part configured to transmit rotation of the first shaft member to a second shaft member which is different from the first shaft member;
- a first detection device provided at the first shaft member configured to detect information regarding rotation of the first shaft member;
- a second detection device provided at the second shaft member configured to detect information regarding rotation of the second shaft member;
- and
- a prevention part that is disposed between the first shaft member and the transmission part and that prevents movement of foreign substance toward at least one of the first detection device and the second detection device.
Dependencies are inferred from the claim text.