公开(公告)号：US20080296867A1

公开(公告)日：2008-12-04

申请号：US11809259

申请日：2007-05-31

申请人： Philip M. Bouwkamp ,  Adam W. Dexter ,  Steve Rumsey

发明人： Philip M. Bouwkamp ,  Adam W. Dexter ,  Steve Rumsey

IPC分类号： B62D53/08

CPC分类号： B62D53/0842 ,  B62D53/0871 ,  B62D53/0885

摘要： A pin box assembly comprising a towing vehicle portion comprising a frame, a towed vehicle portion comprising a frame having a proximal end and a distal end, a torsion resistant pivot portion disposed between the towing vehicle portion and the towed vehicle portion, the torsion resistant pivot portion disposed at a distal end of the towed vehicle portion, the torsion resistant pivot portion comprising, a bar disposed within a tube, the tube fixedly connected to the towing vehicle portion and the bar fixedly connected to the towed vehicle portion, at least one resilient member disposed between the bar and the tube, the resilient member compressible between the bar and the tube upon a relative rotation of the tube with respect to the bar, an air spring disposed between the towing vehicle portion and the towed vehicle portion, the air spring disposed toward the proximal end of the towed vehicle portion with respect to the distal end, and a hitch pin connected to the towing vehicle portion for engaging a hitch on a towing vehicle.

摘要翻译： 一种销盒组件，其包括牵引车辆部分，包括框架，包括具有近端和远端的框架的牵引车辆部分，设置在牵引车辆部分和牵引车辆部分之间的扭转扭转部分， 设置在牵引车辆部分的远端的部分，所述抗扭转枢转部分包括设置在管内的杆，固定地连接到牵引车辆部分的管和固定地连接到被牵引车辆部分的杆，至少一个弹性 设置在杆和管之间的构件，弹性构件在管相对于杆的相对旋转时在杆和管之间可压缩，设置在牵引车辆部分和牵引车辆部分之间的空气弹簧，空气弹簧 相对于前端朝向被牵引的车辆部分的近端设置，以及连接到牵引车辆部分的搭扣销 用于牵引牵引车的搭接。