Patent ID: 9207616
Filing Date: 2015-12-08
Classification: G03G,Y10T

Abstract:
1. An automatic original cover operator for a copying machine, said automatic original cover operator comprising: a hinge part and a driving part to drive said hinge part, said hinge part comprising: a mounting member having a bottom plate and two side plates extending upward from side portions of said bottom plate, said bottom plate attached to an upper portion of a main body of said copying machine; a supporting member comprising a top plate and two side plates extending downward from side portions of said top plate, said side plates of said supporting member being rotatably mounted on said side plates of said mounting member via a main shaft so that the supporting member is rotatable with said main shaft; a lifting member having a top plate fixed to an original cover of said copying machine and having two side plates extending downward from side portions of said top plate of said lifting member, said side plates of said lifting member rotatably mounted on said side plates ( a compression spring interposed between said mounting member and said lifting member, said compression spring adapted to urge said lifting member in an opening direction of said original cover such that said lifting member overlaps said supporting member; and a rotation controlling mechanism for said lifting member comprising: a first locking member having a pair of engagement recess portions on one side portion thereof, said first locking member fixed to said main shaft and provided adjacent to one of said side plates of said supporting member, a second locking member having a pair of engagement convex portions disposed within said pair of engagement recess portions, having an engagement portion, and having a locking portion, said second locking member rotatably mounted on said main shaft and provided adjacent to said first locking member, a locking pin mounted on one of said side plates of said lifting member and engaged with said engagement portion of said second locking member, a tension coil spring interposed between said locking portion of said second locking member and a pin in order to urge the engagement of said engagement portion with said locking pin; wherein said driving part comprises: a drive case mounted on said main shaft and connected to said drive shaft; a drive motor mounted to said drive case, said drive motor being adapted to rotate said main shaft; and a reduction mechanism mounted in said drive case and transmitting a rotation drive force from said drive motor to said main shaft via an electromagnetic clutch; wherein said driving part is rotatable together with said supporting member when said original cover opens and closes.