Patent ID: 6145828
Filing Date: 2000-11-14
Classification: B65H,G03G

Abstract:
In an image reproducing apparatus sheet conveyance system, a sheet conveying unit comprising:a unit main frame installed in the image forming apparatus by means enabling said unit main frame to be withdrawable transverse to a direction of sheet conveyance through the image forming apparatus;a sheet storing section provided in said unit main frame;a lower conveying section disposed above the sheet storing section, said lower conveying section including a lower conveying guide, one end of said lower conveying guide being pivotably supported on said unit main frame, and said lower conveying section including a lower conveying element circulatingly supported on said lower conveying guide;an upper conveying section disposed above the lower conveying section, said upper conveying section including an upper conveying guide, one end of said upper conveying guide being pivotably supported on said unit main frame, and said upper conveying section including an upper conveying element circulatingly supported on said upper conveying guide, the upper and lower conveying elements operating in tandem for conveying sheets to said sheet storing section; anda first linkage, one end of said first linkage being pivotably supported on one of the upper and lower conveying guides, and an opposite end of said first linkage being engaged with the other of said upper and lower conveying guides; whereinsaid first linkage is configured such that the two conveying guides turn linked and spaced at predetermined intervals and lock at the predetermined intervals.