Tractor-trailer wind screen
OwnerMark L. Calawayinventor
Life of this patent
Estimating the term…
Abstract
An air deflector, and tractor-trailer rigs that use the air deflector, that includes a storage tube having a vertical slot, a shaft that is located within the storage tube, and a wind screen having a first end that is operably connected to the shaft and which extends through the vertical slot. A movable support rod is attached to the end of the wind screen that extends through the vertical slot. A torsion spring biases the wind screen toward retraction. Connecting hooks extend from the movable support rod. A mounting flange attached to the storage tube can connect the storage tube to a first trailer. A stationary attachment can connect to the tractor-trailer.
Claims14
An air deflector, comprising:
- a storage tube having a vertical slot;
- a shaft within said storage tube;
- a wind screen having a first end operably connected to said shaft, said wind screen having a second end that extends through said vertical slot;
- a movable support rod attached to said second end;
- a torsion spring biasing said wind screen toward attraction;
- a plurality of connecting hooks on said movable support rod;
- an attachment for receiving and allowing rotational movement of said connecting hooks;
- a mounting flange attached to said storage tube;
- and
- wherein said mounting flange includes mounting holes for receiving fasteners.
A tractor trailer rig, comprising:
- a tractor;
- a first trailer pulled by said tractor;
- a second trailer pulled by said tractor;
- a storage tube having a vertical slot, said storage tube connected to said first trailer;
- a shaft within said storage tube;
- a wind screen having a first end operably connected to said shaft and a second end that extends through said vertical slot;
- a movable support rod attached to said second end;
- a torsion spring biasing said wind screen toward retraction;
- a plurality of connecting hooks on said movable support rod, said connecting hooks operatively connected to said second trailer;
- an attachment for receiving and allowing rotational movement of said connecting hooks attached to said second trailer;
- and
- a mounting flange attached to said storage tube;
- wherein said mounting flange includes mounting holes for receiving fasteners.
Dependencies are inferred from the claim text.