US 11,952,063 B2
Trailer having retractable axles
Torsten Leines, Maple Grove, MN (US)
Assigned to CW10K40 LLC, Camden, DE (US)
Filed by CW10K40 LLC, Camden, DE (US)
Filed on Aug. 26, 2022, as Appl. No. 17/896,438.
Application 17/896,438 is a continuation of application No. 16/263,513, filed on Jan. 31, 2019, granted, now 11,447,197.
Prior Publication US 2022/0410993 A1, Dec. 29, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. B62D 63/06 (2006.01); B60P 1/02 (2006.01); B60P 3/40 (2006.01); B62D 21/20 (2006.01); E21B 19/14 (2006.01)
CPC B62D 63/061 (2013.01) [B60P 1/027 (2013.01); B60P 3/40 (2013.01); B62D 21/20 (2013.01); E21B 19/14 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A trailer comprising:
a frame having opposing first and second sides,
an axle supporting a plurality of wheels,
a first biasing member connected to the frame and the axle rotatably mounted to the first biasing member; and
a second biasing member connected to the frame and the axle rotatably mounted to the second biasing member,
an axle pin group including:
a bracket secured to the frame,
a first axle pin, and
a second axle pin; the first and second axle pins configured and arranged to selectively restrict vertical movement of the frame; wherein movement of the first axle pin and the second axle pin collectively allow for vertical movement of the frame with respect to the axle; and
a plurality of stabilizers secured to the frame, wherein each stabilizer has an extended arrangement and a restricted arrangement; further wherein each stabilizer is configured, in its extended arrangement, to support the frame during movement of the axle.