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公开(公告)号:US11021175B2
公开(公告)日:2021-06-01
申请号:US15992911
申请日:2018-05-30
发明人: Rafael Zaneti , Felipe Czank , Levi Albuquerqe , Luiz Cano , Eduardo Nascimento , Marco Ficoni , Marina Saito , Andre Gouveia , Andre Rocha , Carlos Moraes
IPC分类号: B61F1/10 , B23K9/00 , B23K9/007 , B23K103/04 , B23K101/00 , B61D17/04
摘要: An end underframe comprises a headstock assembly and a bolster assembly and is made out of a single material which consists of cold rolled austenitic stainless steel.