Patent ID: 6516936
Filing Date: 2003-02-11
Classification: B65G

Abstract:
A device for driving and changing a conveyance direction of a conveyor, said device comprising:a single motor, said motor capable of rotating in a forward and in a reverse direction and having an output shaft; at least two rotational outputs, one of said at least two rotational outputs for driving a work-piece conveying roller and another of said two rotational output shafts for changing direction of said conveying roller; a first external gear provided concentrically with said output shaft of said single motor; a first one way clutch provided between a fixed support means for said motor and said first external gear; a second external gear coupled to said one of said two rotational outputs and engaging with said first external gear; a third external gear provided adjacent to said first external gear and concentric with said output shaft; a second one way clutch provided between said third external gear and said fixed support means; an internal gear provided concentrically on said third external gear; an output gear provided on said output shaft; an idler gear provided between said output gear and said internal gear, said idler gear being rotatably provided on said first external gear; and a fourth external gear coupled to said another of said at least two rotational outputs and engaging with said third external gear.