Cargo containment structure 360 degree door system
OwnerJohn B Lampsainventor
Life of this patent
Estimating the term…
Abstract
A semi-trailer structure swinging door system having one or more doors capable of swinging on double pivoting joints such that said door or doors can be opened both outward of the cargo containment structure and inward into the cargo containment structure. Various aspects of the joint provide for the joint as an insert and the joint having a sigmoid shape construction; the doors are capable of being secured by a latching mechanism in a closed position.
Claims9
A door system for a semi-trailer, with said semi-trailer defined by at least one substantially vertical semi-trailer side wall with an interior side and an opposite exterior side, said door system comprising:
- a door frame defined by said side wall;
- said door frame having a face substantially perpendicular to said side wall;
- at least one door having a door interior side and a door exterior side;
- at least one movable joint in coupled communication with said door frame face and said door;
- said at least one joint having a first pivot point and a second pivot point;
- said first pivot point and said second pivot point pivotally connected with a sigmoid shaped connector;
- and
- said door pivotally positioned from a first position with said door interior side adjacent to and substantially parallel to said semi-trailer side wall interior side to a second position with said door exterior side adjacent to and substantially parallel to said semi-trailer side wall exterior side.
In a door system for a semi-trailer comprising:
- a door frame defined by at least one substantially vertical semi-trailer side wall, with said side wall having an interior side and an opposite exterior side;
- said door frame having a face substantially perpendicular to said side wall;
- at least one door having a door interior side and a door exterior side;
- at least one joint, with a first pivot point and a second pivot point, in coupled communication with said door frame face and said door;
- the improvement comprising:
- said first pivot point and said second pivot point pivotally connected with a sigmoid shaped connector;
- and
- said door pivotally positioned from a first position with said door interior side adjacent to and substantially parallel to said semi-trailer side wall interior side to a second position with said door exterior side adjacent to and substantially parallel to said semi-trailer side wall exterior side.
Dependencies are inferred from the claim text.