US 12,272,581 B2
Steering devices for OHT
Sangjune Bae, Changwon-si (KR); Jimin Choi, Suwon-si (KR); Hyungsik Um, Suwon-si (KR); Jeongjae Bang, Suwon-si (KR); and Hyeonhui Cho, Bucheon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Oct. 4, 2021, as Appl. No. 17/493,198.
Claims priority of application No. 10-2021-0030035 (KR), filed on Mar. 8, 2021.
Prior Publication US 2022/0285189 A1, Sep. 8, 2022
Int. Cl. H01L 21/677 (2006.01); B61B 3/02 (2006.01); B61B 12/02 (2006.01); B65G 1/04 (2006.01); B66C 9/04 (2006.01); F16C 35/00 (2006.01)
CPC H01L 21/67706 (2013.01) [B61B 3/02 (2013.01); B61B 12/02 (2013.01); B65G 1/0457 (2013.01); B66C 9/04 (2013.01); F16C 35/00 (2013.01); H01L 21/67733 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A steering device for an OHT, the steering device comprising:
a linear motion (LM) block;
a steering plate fixedly installed to the LM block, the steering plate including one or more inner surfaces at least partially defining an insertion groove in the steering plate;
a link tiltably installed in the insertion groove of the steering plate;
a main bearing having an outer circumferential surface in contact with the link, the main bearing configured to reduce friction when the link is tilted in relation to the steering plate; and
a guide roller rotatably installed on a protrusion protruding from the link.