Title:
VERTICAL MULTIJOINT ROBOT
Document Type and Number:
Japanese Patent JP2023012607
Kind Code:
A
Abstract:
To cancel or ease influence of gravitational force acting on joints to reduce torque needed for motors which respectively rotate the joints.SOLUTION: A vertical multijoint robot includes: a second joint; and a first spring. In the second joint, a body part is directly fixed to a fixing part or the body part is fixed to a movable part of a first joint in which a body part is fixed to the fixing part. A rotation axis of a movable part of the second joint is oriented in a direction other than a vertical direction. The first spring is disposed wound around the outer periphery side of the movable part of the second joint and its ends are respectively fixed to the body part and the movable part of the second joint.SELECTED DRAWING: Figure 3
Inventors:
HENMI FUMITOSHI
Application Number:
JP2021116125A
Publication Date:
January 26, 2023
Filing Date:
July 14, 2021
Export Citation:
Assignee:
MINEBEAMITSUMI INC
International Classes:
B25J9/06
Attorney, Agent or Firm:
Toranomon Intellectual Property Office