Knock-down containers, container fastening system and elements thereof

A corner connector for securing and retaining the side walls and end walls of a container, comprising:

• an outer sheet metal member having first and second angled, generally planar vertical legs proportioned to abut the adjacent intersecting outer surfaces of said walls and joined to each other at common vertical corners,
• an inner sheet metal member having first and second generally planar angled legs joined along a common corner;
• and
• edge flanges formed at an inclination to said corners joining said members together with said respective member legs spaced apart from each oter and adapted to be received therebetween one of said walls when said flanges are received in accommodating tapered slots formed in said walls.

A corner connector for locating and retaining the intersecting end and side walls of a container, comprising:

• spaced apart outer and inner sheet metal members,
• said outer member having first and second planar sections joined to each other along a common corner in an angled configuration corresponding to the included angle of the corner,
• said inner connector also having first and second generally planar sections joined to each other along a common corner in a corresponding angle,
• means on at least one of said members defining transversely extending tapered edges defining the spacing between said members,
• said edges being tapered with respect to said corners to define a wider space at the bottom of said connector than at the top thereof, and
• means joining said members at said edges.

A corner connector for locating and retaining the intersecting end and side walls of a container, comprising:

• outer and inner sheet metal members,
• said outer member having first and second planar sections joined to each other along a common corner in an angled configuration corresponding to the included angle of the corner,
• said inner member also having first and second generally planar sections joined to each other along a common corner in a corresponding angle and having opposite outwardly turned edges in abutment to the outer member sections to define a panel-receiving spaces between said planar sections,
• means joining said members at said edges, and
• at least one of said members further having transversely turned tabs which are positioned and engage the container walls at the tops thereof and define the seated position of the connector.

In a security knock-down container having side walls, a bottom wall, and a top wall, said side walls being joined together at the corners thereof by sheet metal corner connectors, the improvement comprising:

• each said corner connector having inner and outer members,
• each said members having horizontal planar sections joined along a vertical corner bend,
• means joining said members in spaced-apart relation with the spacing therebetween sufficient to accommodate a portion of one said container side walls therein, said joining means formed as a generally vertical flange integral to at least one of said members and joining with the other said member, and
• means in each of said side walls adjacent said corner defining a vertical slot receiving said flange therein,
• tab means on said connector engageable with a horizontal top surface of one said container side wall, and
• means on said connector for receiving an intersecting third wall, such as a conainer top or bottom wall, for positioning and locating the same with respect to said side walls.

An improved container system including corner connector elements permitting containers of varying sizes to be assembled on a site from pairs of container side walls of differing heights, the improvement comprising:

• a double-ended connector at each of the corners of the container for joining the side wall pairs together in superimposed relation to each other,
• said connector having spaced inner and outer sheet metal members defining inside and outside corner wall-engaging legs joined along a common corner,
• edge flanges joining said members together in spaced relation,
• said flanges adapted to be received in slots formed in said side walls,
• said flanges being formed at a taper with respect to said corner to cause a camming together of the side walls into the corner when received in said connector.