公开(公告)号：US3585573A

公开(公告)日：1971-06-15

申请号：US3585573D

申请日：1968-10-17

Applicant: BUNKER RAMO

Inventor： ROBSHAW NORMAN

IPC: H01H1/26 ,  H01H1/36 ,  H01R12/72 ,  H01R13/02 ,  H01R13/04 ,  H01R13/11 ,  H01R13/26

CPC classification number: H01H1/36 ,  H01R12/721 ,  H01R13/02

Abstract: A sliding electrical contact having a contact button on an arm in which transfer of material from the arm to the button by a wiping action during operation is prevented by recessing or cutting away the part of the arm from which wiping occurs or lifting it clear of the wiping surface by means of projections on the arm.