Cable roller with a frequency converter device

Details Cable roller with a frequency converter device Cable roller with a frequency converter device

2006-05-16

2006-05-16

Rivera, William A. (Department: 3654)

Winding, tensioning, or guiding

Reeling device

With particular frame or frame carrier

C191S012400

Reexamination Certificate

active

07044413

ABSTRACT:
A frequency converter device is integrated inside a cable roller, in such a manner that at least one socket is supplied at special frequency. The socket does not rotate when the cable is wound or unwound on the drum. Furthermore, optimal cooling is created and the frequency converter device is made of at least one frequency converter enabling a special frequency to be provided.

REFERENCES:
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patent: 4282954 (1981-08-01), Hill
patent: 4520239 (1985-05-01), Schwartz
patent: 4656320 (1987-04-01), Maddock
patent: D289603 (1987-05-01), An
patent: 5657841 (1997-08-01), Morvan
patent: 5700150 (1997-12-01), Morin
patent: 5738548 (1998-04-01), Rutulante
patent: 6223871 (2001-05-01), Steffen
patent: 6253893 (2001-07-01), Chi-Min
patent: 6758314 (2004-07-01), Woodruff
patent: 6942079 (2005-09-01), Chang
patent: 2001/0019002 (2001-09-01), Walters et al.

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