Probe pin

Details Probe pin Probe pin

2010-09-29

2011-12-27

Vu, Hien (Department: 2839)

Electrical connectors

With insulation other than conductor sheath

Plural-contact coupling part

C439S824000

Reexamination Certificate

active

08083552

ABSTRACT:
A probe pin includes a barrel having an internal space extending from one end to the other end, a plunger provided at the one end of the barrel, a plunger provided at the other end of the barrel, and a coil spring received in the barrel for supporting the plungers elastically. The coil spring includes a central portion having substantially same diameter, a first taper portion adjacent to one end of the central portion and having diameters decreased gradually, and a second taper portion adjacent to the other end of the central portion and having diameters decreased gradually.

REFERENCES:
patent: 6937045 (2005-08-01), Sinclair
patent: 2003/0176113 (2003-09-01), Sasaki
patent: 2004/0053539 (2004-03-01), Watanabe
patent: 2005/0227546 (2005-10-01), Sekiguchi
patent: 2008/0003888 (2008-01-01), Xu
patent: 2010/0197173 (2010-08-01), Tsunoda et al.
patent: WO 2006/007440 (2006-01-01), None

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