US 12,145,824 B2
Crane system having mobile unit with obstacle light
Minoru Toida, Tokyo (JP); and Kohei Honjo, Obu (JP)
Assigned to SUMITOMO HEAVY INDUSTRIES CONSTRUCTION CRANES CO., LTD., Tokyo (JP)
Filed by SUMITOMO HEAVY INDUSTRIES CONSTRUCTION CRANES CO., LTD., Tokyo (JP)
Filed on Sep. 23, 2022, as Appl. No. 17/951,152.
Application 17/951,152 is a continuation of application No. PCT/JP2021/012954, filed on Mar. 26, 2021.
Claims priority of application No. 2020-057204 (JP), filed on Mar. 27, 2020.
Prior Publication US 2023/0018361 A1, Jan. 19, 2023
Int. Cl. B66C 15/06 (2006.01)
CPC B66C 15/06 (2013.01) 15 Claims
OG exemplary drawing
 
1. A crane system comprising:
a crane body; and
a mobile unit movable around the crane body,
wherein the mobile unit includes an obstacle light and functions as an obstacle light for the crane body.