Patent ID: 11964851
Assignee: MIRLE AUTOMATION CORPORATION
Field: Handling (Mechanical engineering)
Classification: CPC B  G  H | IPC B  G  H

Claim 10:
11. The OHT apparatus according to claim 10, wherein the rail module includes:
a bifurcation mark disposed on the main rail and arranged adjacent to the first rail;
a turn mark disposed on the first rail, wherein the turn mark corresponds in position to a portion of the first rail that carries the walking mechanism crossing the first supplementary rail; and
a straight mark disposed on the second rail, wherein the straight mark corresponds in position to a portion of the second rail that carries the walking mechanism crossing the second supplementary rail;
wherein, after the differential overhead trolley detects the bifurcation mark, the emitter is configured to emit the switching signal to the receiver, and the differential overhead trolley is configured to confirm whether the switching signal is correctly executed by detecting the turn mark or the straight mark.