Adapter frames to extend length of intermodal containers
First Claim
1. A frame adapted to extend a container at one or both of its ends comprised of a substantially right-triangular member including spaced horizontal longitudinally extending members, spaced transverse members connecting them, transversely spaced vertical members secured to said longitudinal members and forming corners therewith, said vertical members including upper ends opposite said corners, diagonal brace members interconnecting said horizontal and vertical members, indexing protuberances extending horizontally from said upper ends of said vertical members, latching means carried by said upper ends of said vertical members and releasable twist lock means carried by said frame at said corners thereof.
3 Assignments
0 Petitions
Accused Products
Abstract
Portable trussed adapter frames are removably coupled to the ends of a standard 20 ft. intermodal container to extend it to an effective length of 40 ft. whereby the container can be carried on a skeletal chassis without the necessity of providing separate specialized chassis equipment for 20 ft. containers carrying dry freight or liquid commodities.
-
Citations
9 Claims
- 1. A frame adapted to extend a container at one or both of its ends comprised of a substantially right-triangular member including spaced horizontal longitudinally extending members, spaced transverse members connecting them, transversely spaced vertical members secured to said longitudinal members and forming corners therewith, said vertical members including upper ends opposite said corners, diagonal brace members interconnecting said horizontal and vertical members, indexing protuberances extending horizontally from said upper ends of said vertical members, latching means carried by said upper ends of said vertical members and releasable twist lock means carried by said frame at said corners thereof.
-
4. In combination with a substantially rectangular container having top, bottom, side and end walls interconnected by vertical corner posts and upper and lower corner members at the ends of said posts;
- portable means to increase the effective length of the container comprised of substantially right-triangular open trussed end frames each having spaced interconnected vertical and horizontal members, said vertical frame members being substantially as high as said vertical container corner posts and adapted to abut said vertical container corner posts at one end of said container, said vertical frame members having upper free ends, said horizontal frame members being connected to said vertical frame members to form frame corner members adapted to abut said lower container corner members, first-named means carried by said vertical frame members at their upper free ends to removably attach them to said upper container corner members and second-named means carried by each frame to removably couple said frame corner members to said lower container corner members.
- View Dependent Claims (5, 6, 7, 8, 9)
Specification