A pin box assembly is provided for a trailer. The pin box assembly includes a first section having a trailer attachment point, a second section carrying a king pin and a pivot connecting the first and second sections together. In addition the pin box assembly includes a shock absorber having a first end connected to the first section and a second end connected to the second section. Still further, the pin box assembly includes an air spring connected between the first and second sections.
申请公布号
WO2007145696(A2)
申请公布日期
2007.12.21
申请号
WO2007US08118
申请日期
2007.03.30
申请人
CEQUENT TOWING PRODUCTS, INC.;MATER, ROBERT, F.;JONES, GOMER, B.