US 12,485,714 B2
Coupling socket
Josef Scharmüller, Fornach (AT); Josef Scharmüller, Jr., Vöcklamarkt (AT); and Christine Scharmüller, Fornach (AT)
Appl. No. 17/769,797
Filed by Josef Scharmüller, Fornach (AT); Josef Scharmüller, Jr., Vöcklamarkt (AT); and Christine Scharmüller, Fornach (AT)
PCT Filed Oct. 1, 2020, PCT No. PCT/EP2020/077573
§ 371(c)(1), (2) Date Apr. 18, 2022,
PCT Pub. No. WO2021/073892, PCT Pub. Date Apr. 22, 2021.
Claims priority of application No. A 50888/2019 (AT), filed on Oct. 16, 2019.
Prior Publication US 2022/0388357 A1, Dec. 8, 2022
Int. Cl. B60D 1/58 (2006.01); B60D 1/06 (2006.01)
CPC B60D 1/586 (2013.01) [B60D 1/06 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A coupling socket for coupling to a coupling ball, comprising:
a concave coupling receiving area with a main insertion direction for the coupling ball; and
a substantially semispherical lubricant cap with an end face edge arranged in the coupling receiving area, a convex exterior of the lubricant cap being in surface contact with an inner wall of the coupling receiving area, a concave interior of the lubricant cap having a receiving area for the coupling ball; and
an insertion opening of the coupling receiving area surrounded in an annular manner by an insertion aid, the coupling ball configured to be inserted into the insertion opening during a coupling process;
wherein the end face edge of the lubricant cap, when viewed in the main insertion direction, is located behind the insertion aid;
wherein the insertion aid completely covers the end face edge of the lubricant cap; and
wherein the lubricant cap is hemispherical.