Patent ID: 6100963
Filing Date: 2000-08-08
Classification: G03B,G03G

Abstract:
An original-cover closer comprising:a mounting member having a base plate to be installed on a body of a copying machine, and two side plates extending upwardly from opposite sides of the base plate;a supporting member having an upper plate and two side plates extending downwardly from opposite sides of the upper plate, one end of each side plate of the supporting member being located outside a corresponding side plate of the mounting member and being pivotably connected thereto via a first hinge pin;a lifting member having a support plate to which one end of an original cover of the copy machine is attached, and two side plates extending downwardly from opposite sides of the support plate, one end of each side plate of the lifting member being located outside a free end of a corresponding side plate of the supporting member and being pivotably connected thereto via a second hinge pin;a first spring receiving member engaged with a weight bearing pin fixed to the side plates of the mounting member at a position near to but offset from the first hinge pin;a second spring receiving member engaged with a control pin fixed to the side plates of the lifting member at a position near to but offset from the second hinge pin;a compression spring between the second and first spring receiving members for forcing the supporting member in an opening direction of the original cover and also the lifting member in a direction in which the lifting member overlaps the supporting member; andcuts or guide slots formed in the side plates of the supporting member for allowing the control pin to be received in the cuts or slots when the lifting member is turned to cover a top of a thick original placed on a contact glass cover horizontally by the original cover.