US 11,052,703 B2
Wheel and rim with inner flange having strip weight reduction sockets
Zuo Xu, Qinhuangdao (CN); Guoyuan Xiong, Qinhuangdao (CN); Xu Wang, Qinhuangdao (CN); Zhen Li, Qinhuangdao (CN); Kaiqing Wang, Qinhuangdao (CN); Yule Zhou, Qinhuangdao (CN); Chuan Cheng, Qinhuangdao (CN); Changhai Li, Qinhuangdao (CN); Tiefeng Hu, Qinhuangdao (CN); and Hui Chi, Qinhuangdao (CN)
Assigned to CITIC DICASTAL CO., LTD, Qinhuangdao (CN)
Filed by CITIC Dicastal CO., LTD., Hebei (CN)
Filed on Nov. 29, 2018, as Appl. No. 16/204,014.
Claims priority of application No. 201820299235.9 (CN), filed on Mar. 5, 2018.
Prior Publication US 2019/0270338 A1, Sep. 5, 2019
Int. Cl. B60B 21/10 (2006.01); B60B 21/02 (2006.01); B60B 3/00 (2006.01)
CPC B60B 21/106 (2013.01) [B60B 21/023 (2013.01); B60B 3/001 (2013.01); B60B 3/002 (2013.01); B60B 2360/104 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A rim with a radially inner flange having strip weight reduction sockets, the rim being made of an aluminum alloy and comprising the radially inner flange, a middle portion of the rim and a radially outer flange are annular and are connected end to end to form an annular rim, wherein the strip weight reduction sockets are provided on a radially inner wall of the radially inner flange, a shape of each of the strip weight reduction sockets is a trapezoid; axially outer edges of the strip weight reduction sockets are flush with an edge of the radially inner flange; an axially inner edge of each of the strip weight reduction sockets has fillets; and the strip weight reduction sockets have an axially outer edge length of 5-30 mm, a height of 15-60 mm, an axially inner edge length of 5-15 mm, a base angle of 72-83°, and a depth of 1-5 mm, wherein the strip weight reduction sockets extend from the radially inner flange along an undulation of the rim and reach a flat region of the rim.