US 11,990,732 B2
Interlock device configured to open or close the through hole lever input portion of an automatic transfer switch
Sunghwan Moon, Seoul (KR); and Shin-o Hwang, Paju-si (KR)
Filed by O-SUNG ELECTRIC MACHINERY CO., LTD., Paju-si (KR)
Filed on Oct. 17, 2021, as Appl. No. 17/503,316.
Claims priority of application No. 10-2021-0012494 (KR), filed on Jan. 28, 2021.
Prior Publication US 2022/0239073 A1, Jul. 28, 2022
Int. Cl. H02B 1/14 (2006.01)
CPC H02B 1/14 (2013.01) 5 Claims
OG exemplary drawing
 
1. An interlock device within an automatic transfer switch employing a bypass switch with manual switching capability through the use of a bypass lever, the interlock device comprising:
a main bar shaft-coupled to the bypass lever;
an elevation member comprising an inclined surface; and
an opening and closing plate,
wherein the elevation member is raised and lowered in a height direction in response to movement of the main bar shaft-coupled to the bypass lever; and
wherein the opening and closing plate moves along the inclined surface to either provide or block access to a through hole within the automatic transfer switch where the through hole is a lever input portion for manual switching operations of the automatic transfer switch.