Machine element or mechanism – Gearing – Gear and rotary bodies
Patent
1998-01-06
1999-04-06
Ta, Khoi Q.
Machine element or mechanism
Gearing
Gear and rotary bodies
74434, 74DIG10, 399159, 399167, G03G 1500
Patent
active
058903950
ABSTRACT:
A cylindrical tubular substrate for an electrophotographic photoconductor is made of a conductive resin. The substrate is smoothly rotatable about its axis of rotation, securely grounded, and easily and inexpensively manufactured. It has a cylindrical tube portion and a flange portion with a gear and a shaft through-hole. These portions can be integrated as a unit of a material containing an electrically conductive resin as the main component. Alternatively, the shaft is integrated unitarily with the substrate by single-step molding. Or further, a flange, made of a resin with high sliding wear resistance and with a gear and a shaft through-hole, or a previously molded flange made of a resin with high sliding wear resistance and with a gear and a shaft insert-molded to the flange, with an electric conductor, is disposed in an assembling molding step at an end of a cylindrical tube made essentially of a conductive resin.
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patent: 5371576 (1994-12-01), Gonda
patent: 5649267 (1997-07-01), Aerens et al.
patent: 5652077 (1997-07-01), Obinata
patent: 5669045 (1997-09-01), Swain
patent: 5740501 (1998-04-01), Tonomoto et al.
patent: 5752136 (1998-05-01), Sanchez et al.
patent: 5774767 (1998-06-01), Shibata et al.
Hikima Kiyoshi
Kawata Noriaki
Fuji Electric & Co., Ltd.
Ta Khoi Q.
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