Fences – Wire – Connections
Reexamination Certificate
1999-09-21
2001-03-27
Browne, Lynne H. (Department: 3629)
Fences
Wire
Connections
28, 28, 28, 28, 28
Reexamination Certificate
active
06206347
ABSTRACT:
CROSS REFERENCE TO RELATED APPLICATIONS
Not Applicable.
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
Not Applicable.
BACKGROUND OF THE INVENTION
The present invention relates to fencing and more particularly to substantially tamper proof juvenile inmate security fencing.
1. Field of the Invention
Security fencing usually comprises steel posts secured in the surface of the earth in equally spaced aligned relation. Both the post and the wire mesh are usually galvanized steel or formed with a protective coating to minimize oxidation of the wire and fastening members securing the wire mesh to the posts. A further problem with security fencing concerns inmates gaining access to the fastener securing the wire mesh to the posts as at corner intersections of the fence. Thus, allowing inmates to work the wire mesh loose or at least separate a portion of it from the posts and escape through such openings. This invention, it is believed, overcomes this problem by forming a substantially tamper proof wire fence structure.
2. Description of the Prior Art
The most pertinent patent is believed to be U.S. Pat. No. 4,883,257, issued Nov. 29, 1989 to Bracken for Security Fencing. The subject matter of his patent is particularly directed toward the posts which hold the fence fabric and utilizes a two-piece post, with a base post inserted into the surface of the earth. The fencing is then attached and an outer or second portion of the post is fitted over the base portion to prevent inmates from gaining access to terminal ends of fencing and loosening it from the posts. Nine examples are given of this fence and post arrangement.
Other patents related to security fencing are generally directed toward recreation play areas or sporting events, such as batting cages, and also to animal or bird enclosures.
U.S. Pat. No. 2,823,034 issued Feb. 11, 1988 to H. Bingham, Jr. discloses a Recreational Enclosure and D. Whitler, et al. U.S. Pat. No. 322,067, issued Dec. 7, 1965 for Baseball Batting Cage are examples of the further state of-the-art. Each of these patents disclose a fence wall and top enclosure for the purposes identified by the title of the respective patent.
BRIEF SUMMARY OF THE INVENTION
The fence of this invention is formed by a plurality of posts extending in selected spaced relation along the perimeter of an area to be enclosed. Each post comprises an upright base section having a portion of its length embedded in the surface of the earth and surrounded adjacent the surface of the earth by a section of concrete of predetermined depth and mass. The upper portion of the upright section of the respective post is inclined inwardly and upwardly, a length substantially equal to one-third of the vertical height of its base section, and terminates in an upright section of relatively short length. The short upright sections of adjacent posts being rigidly interconnected by a pair of vertically spaced horizontal top rails to preclude lateral movement of the inclined section of the respective post longitudinally of the fence line. Similarly, the upper limit of the base section is interconnected by a brace rail and at least two other brace rails extend horizontally between and are secured to the respective post base section in equally spaced vertical relation.
Wire fencing which may be chain link fencing of selected mesh is secured to the inward side of the several posts and fastened thereto by a plurality of tension bands surrounding respective posts and an adjacent portion of the wire mesh. A multi-strand wire extends through the depending limit of the mesh adjacent the surface of the earth and is secured to the respective post to prevent uplifting of the wire mesh with respect to the surface of the earth. Terminal ends of the fencing adjacent a building and at the respective corner posts are secured to the respective post by bolt tension bands. The tension band bolt is blocked from access thereto by a rigid metal plate coextensive with the length of the respective post and laterally spanning the area between the post and the terminal end portion of the fence fabric.
The principal object of this invention is to provide a juvenile security fence of sufficient height and configuration to prevent individuals reaching the top thereof to climb over the fence and having all fence fabric terminal ends shielded from manual access thereto.
REFERENCES:
patent: D. 215726 (1969-10-01), Skibowski
patent: 697259 (1902-04-01), Lavely
patent: 2734727 (1956-02-01), Hensley
patent: 2823034 (1958-02-01), Bingham
patent: 3022044 (1962-02-01), Gugino
patent: 3222067 (1965-12-01), Litwhiler
patent: 4673166 (1987-06-01), MacDougall
patent: 4883257 (1989-11-01), Bracken
patent: 5556080 (1996-09-01), Vise
patent: 6010116 (2000-01-01), Knott, Sr.
patent: 2241721 (1991-09-01), None
patent: 5-202649 (1993-08-01), None
Browne Lynne H.
Garcia Ernesto
Rhea Robert K.
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