公开(公告)号：US09922777B1

公开(公告)日：2018-03-20

申请号：US15357148

申请日：2016-11-21

Applicant: EATON CORPORATION

Inventor： Wangpei Li ,  Li Yu ,  Somasundara Rao Matu

IPC: H01H1/02 ,  H01H33/662 ,  H01H33/664 ,  H01H33/66

CPC classification number: H01H1/0203 ,  H01H1/06 ,  H01H33/6606 ,  H01H33/66207 ,  H01H33/6643 ,  H01H2033/66223

Abstract: An electrical contact for a vacuum switching apparatus. The vacuum switching apparatus includes a second electrical contact. The electrical contact includes a hub portion and a plurality of petal portions each extending from the hub portion. Each of the plurality of petal portions has a first surface and a second surface. The first surface faces in a first direction and is structured to engage the second electrical contact. The second surface faces in a second direction generally opposite the first direction. At least one of the plurality of petal portions further has a grooved portion extending inwardly from the second surface toward the first surface.