Source: http://www.google.com/patents/US7177518?dq=5,581,513
Timestamp: 2016-08-25 23:06:57
Document Index: 292620566

Matched Legal Cases: ['art 17', 'art 16', 'art 17', 'arts 16', 'art 16', 'art 17', 'art 17', 'art 40', 'art 44', 'art 40']

Patent US7177518 - Clips for holding fiber optic cables of a security fence - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsA clip for holding a first section of fiber optic cable to a second section of fiber optic cable is useful in forming a weave pattern in a fiber optic security fence. The fiber optic security fence is constructed by forming a zigzag pattern in a fiber optic cable and attaching this pattern to an existing...http://www.google.com/patents/US7177518?utm_source=gb-gplus-sharePatent US7177518 - Clips for holding fiber optic cables of a security fenceAdvanced Patent SearchPublication numberUS7177518 B2Publication typeGrantApplication numberUS 10/842,548Publication dateFeb 13, 2007Filing dateMay 11, 2004Priority dateMay 11, 2004Fee statusPaidAlso published asUS20050254767Publication number10842548, 842548, US 7177518 B2, US 7177518B2, US-B2-7177518, US7177518 B2, US7177518B2InventorsHong Gi ChunOriginal AssigneeFomguard Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (43), Referenced by (28), Classifications (10), Legal Events (6) External Links: USPTO, USPTO Assignment, EspacenetClips for holding fiber optic cables of a security fence
US 7177518 B2Abstract
A clip for holding a first section of fiber optic cable to a second section of fiber optic cable is useful in forming a weave pattern in a fiber optic security fence. The fiber optic security fence is constructed by forming a zigzag pattern in a fiber optic cable and attaching this pattern to an existing barrier fence, e.g. a galvanized chain-link fence. Clips are provided to hold portions of the fiber optic cable together in the zigzag pattern. The clips are formed such that, once installed, they are very difficult to remove without cutting, stressing or bending the fiber optic cable sections passing therethrough. Therefore, the clips will prevent intruders from disconnecting the pattern of the fiber optic cable, in order to cut through the barrier fence and gain entry into a secure area.
Security fences employing a fiber optic cable monitoring scheme are generally known in the background. For example, see applicant's prior application Ser. No. 10/713,425 filed Nov. 17, 2003, entitled “APPARATUS AND METHOD TO DETECT AN INTRUSION POINT ALONG A SECURITY FENCE,” which is herein fully incorporated by reference. Also see U.S. Pat. Nos. 4,275,294; 4,371,869; 4,399,430; 4,450,434; 4,558,308; 4,676,485; 4,680,573; 5,134,386; 5,416,467; 5,592,149; and the assignees prior Korean Patents 1997-0009968, 20-0205489, and 20-0205490.
FIG. 2 is a close-up view of the zigzagging pattern of the fiber optic cable 12, with the barrier fence 10 removed for clarity. FIG. 3 is a close-up view of the clip 14, in accordance with the background art. The clip 14 will be described in greater detail with reference to FIGS. 4–6.
The Applicant has discovered drawbacks in the state of the art clips for holding a fiber optic security fence into a given pattern. For example, the clips can be cumbersome to manually install, since the first and second sections 30 and 32 of fiber optic cable 12 must be held into relatively shallow first through fourth channels 25, 26, 27, and 28 on the second part 17, while riveting the first part 16 onto the second part 17. Also the design of the clip 14 results in exposed open edges between the first and second parts 16 and 17. The exposed open edges can be exploited by a would-be intruder in an attempt to pry the first part 16 off of the second part 17, while gripping the second part 17 with a tool (e.g. locking pliers).
FIG. 11 is a cross sectional view taken along line XI—XI in FIG. 10;
FIG. 12 is a cross sectional view taken along line XII—XII in FIG. 10;
FIG. 16 is a cross sectional view taken along line XVI—XVI in FIG. 15; and
Referring to FIG. 7, a clip, in accordance with the present invention, generally includes a first part 40, an insert 42 and a second part 44. With reference to FIGS. 7–12, the first part 40 has the appearance of a circular disc when viewed from its top (FIG. 9).
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PREVIOUSLY RECORDED ON REEL 020403 FRAME 0599;ASSIGNOR:FOMGUARD INC.;REEL/FRAME:020679/0609Effective date: 20070913Jul 14, 2010FPAYFee paymentYear of fee payment: 4Jul 16, 2014FPAYFee paymentYear of fee payment: 8RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services