Patent ID: 11919157
Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
Field: Handling (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 6:
7. A conveyance method for conveying an object by use of a conveyance robot, the conveyance robot including an arm including a shaft portion extensible and retractable in an axial direction of the shaft portion, and a protruding portion extending from the shaft portion in a direction different from the axial direction, the protruding portion being configured to be engaged with a groove formed on the object,
wherein the arm is rotatable about an axis of the shaft portion to rotate the protruding portion to engage the groove formed in the object;
the conveyance robot further including a top plate that supports an object placed thereon, wherein the top plate includes a top face comprising a first plate material and a lower face comprising a second plate material, and wherein the top plate has a space between the top face and the lower face and the arm is accommodated in the space;
the conveyance method comprising:
a driving step of rotating the arm around the axial direction as a rotating axis; and
a detecting step of detecting an abnormality in a rotation angle of the arm.