Photocopying – Projection printing and copying cameras – Combined with or convertible to a contact printer
Patent
1979-07-09
1981-03-10
Moses, R. L.
Photocopying
Projection printing and copying cameras
Combined with or convertible to a contact printer
1525651, 118652, G03G 2100
Patent
active
042550440
ABSTRACT:
Disclosed are blades oriented in a trailing configuration for cleaning residual toner from the photosensitive drums of photocopying machines without marring the drum's surface. In one embodiment of the invention, the blade is constructed of layers of resilient material having different moduli of elasticity resulting in the blade's having greater resistance to transverse deformation than to deformation along the primary axis of the blade. In another embodiment, the blade comprises a mass of an elastic material having a partially hollow interior. The hollow interior results in a blade with differing moduli of elasticity in different directions.
REFERENCES:
patent: Re29418 (1977-09-01), Hunt
patent: Re29632 (1978-05-01), Tanaka et al.
patent: 2767529 (1956-10-01), Scott
patent: 3848992 (1974-11-01), Smith
patent: 3859691 (1975-01-01), Katayama
patent: 3927936 (1975-12-01), Komori et al.
Cormier Raymond G.
Davis Austin
Guiguizian Jacques
Lutz Leo O.
Pauk Henry T.
Moses R. L.
Nashua Corporation
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