US 12,330,544 B2
Trailer system and methods of use
Richard Leslie Williamson, Ocala, FL (US)
Filed by Richard Leslie Williamson, Ocala, FL (US)
Filed on Oct. 31, 2024, as Appl. No. 18/933,664.
Application 18/933,664 is a continuation of application No. 18/358,205, filed on Jul. 25, 2023, granted, now 12,157,408.
Prior Publication US 2025/0050796 A1, Feb. 13, 2025
This patent is subject to a terminal disclaimer.
Int. Cl. B60P 1/02 (2006.01); B60G 5/06 (2006.01)
CPC B60P 1/027 (2013.01) [B60G 5/06 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A trailer comprising:
a trailer frame comprising a side arm;
a trailer body comprising a sidewall defining a load space, wherein the side arm is beside the sidewall and opposite to the load space;
a suspension apparatus for adjusting the height of the trailer body, between a raised position and a lowered position relative to the trailer frame, the suspension apparatus comprising:
a suspension arm having a first end rotatably attached to the side arm at a rotation point and a second end;
a spacer arranged between the sidewall and the second end of the suspension arm, wherein the second end is rotatably or slidably attached to the spacer at a swing point;
such that the height of the trailer body is adjustable on the trailer frame by swinging the trailer body on the suspension arm.