Electricity: conductors and insulators – Conduits – cables or conductors – Accessories
Reexamination Certificate
2004-02-25
2008-08-05
Patel, Dhiru R (Department: 2831)
Electricity: conductors and insulators
Conduits, cables or conductors
Accessories
C174S068100, C174S135000, C174S019000, C174S481000, C052S220700, C248S068100, C439S207000, C138S109000
Reexamination Certificate
active
07408118
ABSTRACT:
A trunking section (50) is described and has a body (51) with sides (52a, 52band52c) which form a channel (54). Trunking section (50) also has an end portion (62) inserted into first end (56) such that it engages the internal surfaces of sides (52a,52band52c) and is welded thereto. End portion (62) is provided with a first aperture (64) which is adapted to receive a bush connector (66) and has four curved edges (70) and four straight edges (72) therebetween. The bush connector (66) has a male part (74) and a female part (76). Male part (74) has a tubular body (78) which has an aperture (80), it has external first threaded surfaces (82) and rotation prevention means, in the form of flat portions (84). Bush connector (66) also has a female part (76) with an internal second thread (88) which engages first threaded portions (82) of male part (74).
REFERENCES:
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patent: 5962809 (1999-10-01), Duvall et al.
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patent: 6756539 (2004-06-01), VanderVelde
patent: 6756544 (2004-06-01), Handler
patent: 6903265 (2005-06-01), VanderVelde et al.
patent: 6972367 (2005-12-01), Federspiel et al.
Jack Schwartz & Associates PLLC
Patel Dhiru R
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