Patent ID: 11866272
Assignee: TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS, CORPORATION
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 7:
8. The holding device according to claim 7, further comprising:
a first frame mounted to the first supporter;
a second frame mounted to the second supporter;
a first protrusion fixed with respect to the first frame;
a second protrusion fixed with respect to the second frame, so that the first and second protrusions are arranged with each other in the third direction;
an engaging member including
a first groove engaging the first protrusion, and
a second groove engaging the second protrusion; and

a third actuator moving the engaging member with respect to the first and second frames,
the first actuator moving the first and second supporters in the second direction with respect to the first and second frames,
the third actuator moving the engaging member between a first engagement position and a second engagement position,
a distance in the third direction between the first protrusion and the second protrusion when the engaging member is at the first engagement position being different from the distance in the third direction between the first protrusion and the second protrusion when the engaging member is at the second engagement position,
a distance in the third direction between the first supporter and the second supporter being changed by the movement of the engaging member.