Friction load insensitive mounting for blade

Details Friction load insensitive mounting for blade Friction load insensitive mounting for blade

1994-05-05

1995-05-02

Royer, William J.

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15 151, 152565, 198494, 198497, 355296, G03G 2100

Patent

active

054124611

ABSTRACT:
An apparatus in which a photoreceptor cleaning blade is mounted to an extension of the coupler link of a four bar linkage. A torsion spring is positioned at the pivot of the crank link to create the torque on the crank link. A weight or solenoid can also be used to create the torque on the crank link. This torque supplies the force to the mounted cleaning blade. The instantaneous center of rotation is a virtual pivot point which is located on the photoreceptor tangent plane. The linkage reaction forces and the blade friction load all pass through the virtual pivot point leaving the blade load a function of the torque on the crank link. In machines where the cleaning blade is located on a long span of a belt photoreceptor this offers the advantage of blade loading insensitivity to friction without trapping the photoreceptor inside pivot bearings,

REFERENCES:
patent: 4519699 (1985-05-01), Mayer et al.
patent: 4595280 (1986-06-01), Tanzawa et al.
patent: 4919756 (1990-04-01), Sawdai
patent: 5040030 (1991-08-01), Ziegelmuller
patent: 5084739 (1992-01-01), Kalyandurg et al.

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