US 12,110,188 B2
Transfer vehicle system
Makoto Kobayashi, Ise (JP)
Assigned to MURATA MACHINERY, LTD., Kyoto (JP)
Appl. No. 17/434,426
Filed by MURATA MACHINERY, LTD., Kyoto (JP)
PCT Filed Feb. 5, 2020, PCT No. PCT/JP2020/004398
§ 371(c)(1), (2) Date Aug. 27, 2021,
PCT Pub. No. WO2020/195200, PCT Pub. Date Oct. 1, 2020.
Claims priority of application No. 2019-055166 (JP), filed on Mar. 22, 2019.
Prior Publication US 2022/0144557 A1, May 12, 2022
Int. Cl. B65G 43/08 (2006.01); B61B 13/00 (2006.01); G01B 21/16 (2006.01); H01L 21/677 (2006.01)
CPC B65G 43/08 (2013.01) [B61B 13/00 (2013.01); H01L 21/67727 (2013.01); B65G 2201/0297 (2013.01); B65G 2203/0233 (2013.01); G01B 21/16 (2013.01); H01L 21/67724 (2013.01); H01L 21/67733 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A transfer vehicle system in which a plurality of transfer vehicles travel on a predetermined transport path, the transfer vehicle system comprising:
a measurement portion provided at a portion of a path continuing to the transport path to measure a measurement target portion included in the transfer vehicle located on the continuing path;
an identifier to identify the transfer vehicle for which the measurement target portion has been measured by the measurement portion;
a storage to store a measurement result measured by the measurement portion and an identification result identified by the identifier in association with each other; and
a notifier to provide notification of information concerning a state of the measurement target portion determined based on the measurement result and a reference value; wherein
the transport path includes a track on which a traveling portion of the transfer vehicle travels;
the track includes an inspection plate to press the traveling portion in a width direction perpendicular or substantially perpendicular to an extending direction of the track; and
the measurement portion measures the measurement target portion of the transfer vehicle in a state of being pressed by the inspection plate.