Patent ID: 11961751
Assignee: MURATA MACHINERY, LTD.
Field: Handling (Mechanical engineering)
Classification: CPC H  B  F  Y | IPC B  F  H

Claim 0:
1. An overhead transport vehicle comprising:
a body to travel along a track; and
an elevator to be elevated and lowered by a suspension with respect to the body, the elevator including a gripper to grip an article; wherein
the elevator includes:
a base including the gripper,
a support to support the base to be vertically movable from below in a vertical direction through a vibration isolator, and
a shaft portion including one end disposed at the support, the shaft portion passing through a through hole provided in the base;

the vibration isolator includes:
a first biasing portion in contact with both of the support and the base to urge the support and the base in a direction away from each other; and
a second biasing portion located at one of the support and the base to come into contact with both of the support and the base and urge the support and the base in a direction away from each other when a load equal to or greater than a predetermined value is applied to the first biasing portion;

the shaft portion extends through the first biasing portion;
at the other end of the shaft portion, a clamp is provided to clamp a third biasing portion with the base; and
the third biasing portion is able to come into contact with both of the base and the clamp and urge the base and the clamp in a direction away from each other.