US 12,249,888 B2
Linear conveyor
Motonori Kawauchi, Iwata (JP)
Assigned to YAMAHA HATSUDOKI KABUSHIKI KAISHA, Iwata (JP)
Appl. No. 17/783,534
Filed by YAMAHA HATSUDOKI KABUSHIKI KAISHA, Iwata (JP)
PCT Filed Dec. 17, 2019, PCT No. PCT/JP2019/049358
§ 371(c)(1), (2) Date Jun. 8, 2022,
PCT Pub. No. WO2021/124439, PCT Pub. Date Jun. 24, 2021.
Prior Publication US 2023/0353027 A1, Nov. 2, 2023
Int. Cl. H02K 41/03 (2006.01); H02K 1/16 (2006.01); H02K 11/01 (2016.01); H02K 11/215 (2016.01)
CPC H02K 41/031 (2013.01) [H02K 1/16 (2013.01); H02K 11/014 (2020.08); H02K 11/215 (2016.01); H02K 2201/15 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A linear conveyor comprising:
a linear motor stator including at least one stator including a core and a coil wound around the core;
a slider including a linear motor mover including a permanent magnet;
a guide rail configured to guide movement of the slider;
a magnetic sensor configured to detect a position of the slider;
a magnetic shield between the magnetic sensor and the linear motor stator and configured to shield magnetic flux from the linear motor stator toward the magnetic sensor; and
a fastener configured to attach the magnetic shield; wherein
the magnetic shield includes an insertion hole into which the fastener is inserted; and
the insertion hole includes, at an edge thereof on a linear motor stator side, an insertion hole bent portion bent toward the linear motor stator.