Pin box assembly for trailer
AssigneeCequent Performance Products, Inc.
InventorsRobert F. Mater, JR., Gomer B. Jones
Life of this patent
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Abstract
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 sections. Still further, the pin box assembly includes an air spring connected between the first and second sections.
Claims18
A pin box assembly for a trailer, comprising:
- a first section including a trailer attachment point;
- a second section carrying a king pin;
- a pivot connecting said first section and said second section together;
- coupling means having a first end connected to said first section and a second end connected to said second section, wherein said pivot is forward of said coupling means when said first section is attached to the trailer at said trailer attachment point;
- and
- an air spring selectively connectable between said first section and said second section in one of a plurality of locations.
A pin box assembly for a trailer, comprising:
- a king pin;
- a first section including a trailer attachment point;
- a second section having a skid plate and a support plate, the skid plate and the support plate each defining an aperture sized to receive said king pin;
- and
- a pivot connecting said first section and said second section together.
A pin box assembly for a trailer, comprising:
- a first section including a trailer attachment point;
- a second section carrying a king pin, said second section including a support plate that defines a first plurality of holes and a second plurality of holes, said first plurality of holes being substantially parallel to said second plurality of holes;
- a pivot connecting said first section and said second section together;
- an air spring connected to said second section, said air spring having a base plate, said base plate defining a plurality of mounting apertures;
- and
- at least two fasteners configured to extend through said plurality of mounting apertures, said first plurality of holes, and said second plurality of holes to attach said air spring to said second section.
Dependencies are inferred from the claim text.