Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1982-01-04
1984-09-04
Braun, Fred L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
1525651, G03G 2100
Patent
active
044694342
ABSTRACT:
A cleaning apparatus for a toner image retaining member of an electrophotographic copying machine includes an elastic cleaning blade for removing residual toner from the surface of the toner image retaining member, the elastic cleaning blade having two opposite ends, one end having a protuberance with a cleaning edge. A holder is arranged along a given axis for supporting the opposite end of the elastic cleaning blade and for disposing the cleaning edge in resilient contact against the surface of the toner image retaining member. The cleaning edge of the elastic cleaning blade is formed by a ridge line of the protuberance which is kept in resilient contact against the surface of the toner image retaining member by the holder. The angle of intersection .phi. at the side of the toner image retaining member prior to contact with the cleaning blade, subtended by the axis of the holder and a tangent line at the contact point of the cleaning edge with the surface of the toner image retaining member satisfies the following relation:
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patent: 3577649 (1971-05-01), Wadsworth et al.
patent: 3660863 (1972-05-01), Gerbasi
patent: 3859691 (1975-01-01), Katayama et al.
patent: 4026648 (1977-05-01), Takahashi
patent: 4247196 (1981-01-01), Ogawa et al.
patent: 4334766 (1982-06-01), Sugiyama et al.
Gunzi Kouichi
Inowa Shigeru
Yamazaki Yoshio
Braun Fred L.
Konishiroku Photo Industry Co,., Ltd.
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