US 11,728,103 B2
Electrical apparatus with door mounted rotary handle for operating an electrical device and an interlock mechanism
Mateusz A. Sadowski, Pierzchnica (PL); and Mateusz Sekula, Bielsko-Biala (PL)
Assigned to ABB Schweiz AG, Baden (CH)
Filed by ABB Schweiz AG, Baden (CH)
Filed on Jul. 22, 2020, as Appl. No. 16/935,897.
Prior Publication US 2022/0028631 A1, Jan. 27, 2022
Int. Cl. H01H 9/22 (2006.01); H01H 3/32 (2006.01)
CPC H01H 9/22 (2013.01) [H01H 3/32 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electrical apparatus, comprising:
an enclosure having a door movable for access to an interior of the enclosure;
an electrical device disposed in the interior of the enclosure, the electrical device being operable to be turned on and off;
an operating handle on the door outside the enclosure that is operable to open and close the door, the operating handle comprising a receptacle, the operating handle, including the receptacle, moving with a movement of the door;
a shaft engaged to the electrical device; and
an interlock mechanism including an interlock device, the shaft including a first end connected to the interlock device and a second end that, only while the door is closed, is engaged to the operating handle, via the receptacle, wherein rotation of the external operating handle with the door closed rotates the shaft to turn the electrical device on or off and further displaces the interlock device for engagement or disengagement with a busway structure.