Electrical connectors – Metallic connector or contact having movable or resilient... – Duplicate receiving means having independently operated...
Reexamination Certificate
2007-02-06
2009-10-27
Nguyen, Truc T (Department: 2833)
Electrical connectors
Metallic connector or contact having movable or resilient...
Duplicate receiving means having independently operated...
C439S810000
Reexamination Certificate
active
07607955
ABSTRACT:
An electrical connector for transformer studs accommodates two different size transformer studs, at different times, in a slip-fit blind bore. A large circular bore is threaded and over-sized for a slip fit of a stud of the largest size with ample clearance space to facilitate placement of the large stud in the bore. A smaller threaded recess is created by an arc formed in a periphery of the large circular bore and is sized to fit a smallest stud. A set screw holds the smaller stud in the threaded recess or the larger stud in the large circular bore. The matching threads provide an effective, efficient, long-lasting, and sturdy electrical transformer connection.
REFERENCES:
patent: 4214806 (1980-07-01), Kraft
patent: 6579131 (2003-06-01), Ashcraft et al.
patent: 6769941 (2004-08-01), Norden
patent: 6939183 (2005-09-01), Ferretti et al.
patent: 7014514 (2006-03-01), Zahnen
patent: 2007/0026745 (2007-02-01), Ferretti
Hill Lewis
Moraitis Nick
Chung-Trans Xuong M
Nguyen Truc T
Polaris Sales Co., Inc.
Smith Ronald E.
Smith & Hopen , P.A.
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