Electrical connectors – Contact comprising cutter – Insulation cutter
Reexamination Certificate
1999-11-12
2001-03-20
Paumen, Gary F. (Department: 2833)
Electrical connectors
Contact comprising cutter
Insulation cutter
C439S459000
Reexamination Certificate
active
06203359
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to an electrical connector for insulation displacement connection (IDC) with a flat cable, and especially to an IDC connector which reliably connects with a flat cable.
BACKGROUND OF THE INVENTION
A conventional IDC connector includes a housing with a plurality of contacts received therein, a cover assembled on the housing, and a strain relief attached to the cover. A flat cable is secured between the housing and the cover at a distal end thereof for electrically connecting with the contacts by insulation displacement. The cable is then bent and secured between the cover and the strain relief to withstand an external force exerted on the cable thereby ensuring reliable connection between the contacts and the cable. Related examples are disclosed in U.S. Pat. Nos. 4,006,957; 4,681,382; 5,104,336 and 5,762,513.
U.S. Pat. No. 5,762,513 discloses an IDC connector including a cover, a housing and means for securing the cover to the housing. However, the means can not provide a reliable mechanical connection between the cover and the housing and may become easily damaged.
SUMMARY OF THE INVENTION
Accordingly, an object of the present invention is to provide an IDC connector having means for securing a cover to a housing thereof.
To achieve the object mentioned above, an IDC connector of the present invention comprises a housing retaining a plurality of contacts therein, a cover assembled on the housing, and a strain relief attached to the cover. The housing forms a pair of arms at opposite ends thereof. A pair of fasteners is formed at each end of the cover for engaging with the corresponding arm of the housing. The strain relief includes an elongate body and a pair of legs extending from opposite ends of the body. Each leg has a generally U-shaped configuration including two side walls between the two side walls. A latch integrally and inwardly projects from an inner face of the connecting wall between the two side walls. Thus, the connection between the latch and the body is improved thereby preventing damage from being incurred on the latch.
Other objects and advantages of the present invention will be understood from the following description of an electrical card connector according to a preferred embodiment of the present invention shown in the accompanying drawings.
REFERENCES:
patent: 4006957 (1977-02-01), Narozny
patent: 4359257 (1982-11-01), Lopinski et al.
patent: 4621885 (1986-11-01), Szczesny et al.
patent: 4648677 (1987-03-01), Lang
patent: 4681382 (1987-07-01), Lockard
patent: 4960390 (1990-10-01), Davis et al.
patent: 5104336 (1992-04-01), Hatanaka et al.
patent: 5108308 (1992-04-01), Wellinsky
patent: 5125850 (1992-06-01), Locati
patent: 5338221 (1994-08-01), Bowen et al.
patent: 5664961 (1997-09-01), Tsuji et al.
patent: 5762513 (1998-06-01), Stine
Chung Wei Te
Hon Hai - Precision Ind. Co., Ltd.
Paumen Gary F.
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