Patent ID: 11970373
Assignee: MIRLE AUTOMATION CORPORATION
Field: Handling (Mechanical engineering)
Classification: CPC B  G | IPC B  G

Claim 7:
8. The OHT apparatus according to claim 7, 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 first walking mechanism crossing the switch channel; 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 first walking mechanism crossing the switch channel;
wherein, after the overhead trolley detects the bifurcation mark, the emitter is configured to emit the switching signal to the receiver, and the overhead trolley is configured to confirm whether the switching signal is correctly executed by detecting the turn mark or the straight mark.