End cap contact assembly for a heater roller

Details End cap contact assembly for a heater roller End cap contact assembly for a heater roller

1998-03-03

1999-11-23

Pelham, Joseph

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

219216, 439 29, 439799, 439840, B21B 2706, G03G 1520, H01R 1333, H05B 303

Patent

active

059904585

ABSTRACT:
An electrical contact assembly for a roller (10) having at least one single-bevel end portion (13) has a first electrical contact formed by a thermally sprayed band (29) of a nickel alloy, a second electrical contact (30) formed by an annular contact structure (57, 37, 38, 30) assembled to the roller (10) and a bridging contact formed by an extension coil spring (33) which extends around the tapered end (24) of the roller (10) in a location where it will make bridging contact between the first electrical contact (29) and the second electrical contact (30) and provide spring pressure to maintain such contact.

REFERENCES:
patent: 1668381 (1928-05-01), Schlid
patent: 3056101 (1962-09-01), Bethke
patent: 4033654 (1977-07-01), Ross
patent: 4321759 (1982-03-01), Gamble
patent: 4570055 (1986-02-01), McMills
patent: 4820904 (1989-04-01), Urban
patent: 5191381 (1993-03-01), Yuan
patent: 5235163 (1993-08-01), Levitan
patent: 5532807 (1996-07-01), Takemoto
patent: 5616263 (1997-04-01), Hyllberg
patent: 5726425 (1998-03-01), Moebius
patent: 5821499 (1998-10-01), Crimmins et al.

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