Safety mechanism for open/close door member of image forming app

Details Safety mechanism for open/close door member of image forming app Safety mechanism for open/close door member of image forming app

1997-12-19

1999-11-30

Lee, Susan S.Y.

Electrophotography

Having particular structure

Modular or displaceable

G03G 1500, G03G 2116

Patent

active

059957840

ABSTRACT:
A safety mechanism for an open/close door member of an image forming apparatus includes a door member rotated around one axis to be opened and closed in a gravity force direction, a first lever member abutting against the door member in a closed condition, a second lever rotatably attached to an apparatus body and adapted to support the first lever member, and a biasing member for biasing the first and second lever members. When a load acting on the first lever member from the door member is greater than a set value, the lever member is shifted to a predetermined position to function as a stop device for stopping rotation of the door member, and, when the load is smaller than the set value, the rotation of the door member is permitted.

REFERENCES:
patent: 4178655 (1979-12-01), Little
patent: 4789876 (1988-12-01), Miyai et al.
patent: 4908659 (1990-03-01), Ishii et al.
patent: 5175583 (1992-12-01), Noh et al.
patent: 5379092 (1995-01-01), Takashima
patent: 5860044 (1999-01-01), Eki et al.

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