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US 12,528,205 B2Granted
Wrist device and joint device
AssigneeFanuc Corporation
InventorNaoki Fujioka
Life of this patent
Estimating the term…
Abstract
A wrist device according to one aspect of the present disclosure is mounted on a distal end of a robot arm. The wrist device is provided with a flange including a mounting plate for mounting an external device and a base for rotatably supporting the flange. In the mounting plate, a hole for connecting a tube joint disposed outside the wrist device and a tube joint disposed inside the wrist device is formed.
Claims6
A wrist device mounted on a distal end of a robot arm, the wrist device comprising:
- a cylindrical body including a disk-shaped mounting plate connected to a front end thereof, the disk-shaped mounting plate configured to mount an external device and having a hole formed at a center of the disk-shaped mounting plate;
- a base configured to rotatably support the cylindrical body about a central axis thereof;
- and
- a first tube joint and a second tube joint disposed in front of and behind the hole, respectively, each of the first tube joint and the second tube joint having a cylindrical shape, wherein
- a central axis of the hole, the first tube joint, and the second tube joint are aligned with the central axis of the cylindrical body;
- an air tube is connected to each of the first tube joint and the second tube joint;
- and
- an electrical connector configured to be connected to an electric cable is disposed on a peripheral side wall of the cylindrical body.
5 more elements
A robot arm mechanism, comprising:
- a robot arm;
- and
- a wrist device mounted on a distal end of the robot arm, wherein
- the wrist device comprises:
- a cylindrical body including a disk-shaped mounting plate connected to a front end thereof, the disk-shaped mounting plate configured to mount an external device and having a hole formed at a center of the disk-shaped mounting plate,
- a base configured to rotatably support the cylindrical body about a central axis thereof, and
- a first tube joint and a second tube joint disposed in front of and behind the hole, respectively, each of the first tube joint and the second tube joint having a cylindrical shape,
- a central axis of the hole, the first tube joint, and the second tube joint are aligned with the central axis of the cylindrical body;
- an air tube is connected to each of the first tube joint and the second tube joint;
- and
- an electrical connector configured to be connected to an electric cable is disposed on a peripheral side wall of the cylindrical body.
8 more elements
A joint device configured to constitute a robot arm together with a link, the joint device comprising:
- a rotary portion;
- and
- a fixed portion for rotatably supporting the rotary portion, wherein
- the rotary portion comprises:
- a cylindrical body including a disk-shaped connection plate connected to a front end thereof, the disk-shaped connection plate configured to mount the link and having a hole formed at a center of the disk-shaped connection plate,
- a base configured to rotatably support the cylindrical body about a central axis thereof;
- and
- a first tube joint and a second tube joint disposed in front of and behind the hole, respectively, each of the first tube joint and the second tube joint having a cylindrical shape,
- a central axis of the hole, the first tube joint, and the second tube joint are aligned with the central axis of the cylindrical body;
- an air tube is connected to each of the first tube joint and the second tube joint;
- and
- an electrical connector configured to be connected to an electric cable is disposed on a peripheral side wall of the cylindrical body.
9 more elements
Dependencies are inferred from the claim text.