Method and apparatus for constructing a metal picket fence

Details Method and apparatus for constructing a metal picket fence Method and apparatus for constructing a metal picket fence

1996-06-24

1999-02-23

Gorski, Joseph M.

Fences

Rail

Connection

256 59, E04H 1714

Patent

active

058735640

ABSTRACT:
A method of constructing metal picket fences and components for use in building fences. Basically, panels are constructed by punching holes in frame tubes with a punch to form holes. Pickets are inserted into the holes to form fence panels that are fastened to posts. Several embodiments of self-locking pin systems are provided to lock picket ends in frame tube holes to prevent the pickets from being removed. In each embodiment, a pin is mounted on a picket end in a manner such that as the picket end is pressed into a frame tube hole, the pin will move outwardly of the picket wall inside the frame tube and prevent withdrawal of the picket. Straps can be fastened to the posts with fence panels fastened to the straps in a manner permitting accommodation of inter-post tolerances and ground slope changes. Several different embodiments of locking pins, blind fasteners and post or surface mounting brackets are described.

REFERENCES:
patent: 3441253 (1969-04-01), Blum et al.
patent: 3526390 (1970-09-01), Horgan, Jr.
patent: 3527443 (1970-09-01), Blum et al.
patent: 3822074 (1974-07-01), Welcker

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