Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Hinge – Resiliently biased hinge
Reexamination Certificate
2007-07-10
2007-07-10
Sandy, Robert J. (Department: 3677)
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Hinge
Resiliently biased hinge
C016S277000, C355S075000, C399S379000
Reexamination Certificate
active
10654490
ABSTRACT:
A hinge mechanism of an image forming apparatus supporting a platen cover for holding an original at a fixed position on a platen glass includes a hinge unit for supporting the platen cover in such a manner that the platen cover can be opened and closed by swinging it up and down, a compression coil spring for biasing the platen cover in its opening direction, and a hinge holder attached to a housing of the apparatus for accommodating the compression coil spring. The hinge unit is provided with a hinge torque keeping mechanism which causes the compression coil spring to produce a specific amount of hinge torque to bias the platen cover in its opening direction even when the platen cover is closed.
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Matsumoto Yoshitaka
Morimoto Yasumasa
Nishizato Yoshiyuki
Tamehira Masato
Birch & Stewart Kolasch & Birch, LLP
Jackson Andre′ L.
Sandy Robert J.
Sharp Kabushiki Kaisha
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