Force applying blade device exhibiting a reduced creep rate

Details Force applying blade device exhibiting a reduced creep rate Force applying blade device exhibiting a reduced creep rate

1995-11-21

1997-03-18

Beatty, Robert

Electrophotography

Image formation

Transfer

267158, G03G 1516

Patent

active

056131798

ABSTRACT:
A spring force applying blade device for exhibiting a reduced creep rate when bent in a force applying application. The spring force applying device includes a guide member for supporting a blade member. The guide member has a curved portion for supporting a blade member bent thereover for applying a force. The spring force applying blade device also includes a spring blade member that has a first edge that is attached to the guide member, and a second and opposite edge for applying a force when bent over the curved portion of the guide member. The blade member is comprised of a plurality of blade layers for reducing stress and for reducing a creep rate of the blade member when bent over the curved portion of the guide member in a force applying application. The plurality of blade layers are attached together at the first edge of the blade member and are free to slide relative to each other at the second and opposite edge. The plurality of blade layers have different thicknesses and wherein a layer having the least thickness is closest to the guide member. Preferably, the spring force applying blade is used to assist transferring an image in a electrostatic reproduction machine.

REFERENCES:
patent: 4847652 (1989-07-01), Masuda et al.
patent: 5081501 (1992-01-01), Waki et al.
patent: 5091751 (1992-02-01), Inoue et al.
patent: 5227851 (1993-07-01), Yoshida et al.
patent: 5249022 (1993-09-01), Watanabe et al.

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