Corner fastening element

Details Corner fastening element Corner fastening element

E - Fixed Constructions

06

B

E06B 3/988 (2006.01) E06B 3/964 (2006.01) E06B 3/968 (2006.01)

Patent

CA 2266254

A corner fastening element is disclosed for fastening a miter joint defined by abutting angular ends of two angularly disposed hollow rails of a frame structure. The corner fastening element comprises two legs joined at right angles to one another, each leg comprising an inner wall and an opposing outer wall which are spaced apart by a distance sufficient to allow the legs to be easily inserted into the rails. The inner walls have a portion proximal to the inner corner of the miter joint which is rigidly secured against movement, preferably by one or more webs which connect the proximal portions of the inner walls to the outer walls, and a distal portion which is adapted to be displaced relative to the outer wall, thereby expanding the leg and causing it to be tightly received inside the rail. Preferably, the force necessary to displace the distal portion of the inner wall is supplied by a screw threaded through a wall of the rail and the outer wall of the corner fastening element, the force being transmitted to the inner wall by a force transmitting web extending perpendicularly from the inner wall and terminating in a lip which is adapted to be engaged by the tip of the screw.

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