Stiffening device for plastic fences

Details Stiffening device for plastic fences Stiffening device for plastic fences

2005-06-14

2005-06-14

Cottingham, John R. (Department: 2116)

Fences

Rail

Connection

C256S065120

Reexamination Certificate

active

06905109

ABSTRACT:
Plastic fences where rails are inserted into holes in hollow posts are effectively stiffened by inserting into the hollow post a stiffening device which grips the rails extending into the post, and which is stabilized against movement so as to prevent angular deflection of the rails with the posts in a plane orthogonal to the longitudinal axis of the post.

REFERENCES:
patent: 2815972 (1957-12-01), Lagervall
patent: 5161783 (1992-11-01), German
patent: 5349800 (1994-09-01), Peng
patent: 5702090 (1997-12-01), Edgman
patent: 5938184 (1999-08-01), DeSouza
patent: 6679481 (2004-01-01), McNalley et al.
patent: 2003/0230745 (2003-12-01), McNalley et al.

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