Patent ID: 6560428
Filing Date: 2003-05-06
Classification: G03G

Abstract:
A tensioning and detensioning assembly for a continuous loop belt used in a machine, the tensioning and detensioning assembly comprising:a. a frame; b. a moveable tensioning roll for tensioning the continuous loop belt, said moveable tensioning roll having a first end, a second end, a first position for tensioning the continuous belt, and a second position for detensioning the continuous belt, said first end being spaced a first distance from said first position when said moveable roll is in said second position, and said second end being spaced a second distance from said first position when said moveable roll is in said second position, said second distance being different from said first distance; c. a first moving means for moving said moveable tensioning roll into said first position; and d. a second moving means for moving said first end said first distance and said second end said second distance to move said removeable roll into said second position, thereby enabling safe, controlled and non-slipping removal and reinstallation of the continuous belt, said second moving means comprising an elongate member having a first end and a second end, a first edge and a second edge, said second edge having a first cam surface at said first end and a second cam surface at said second end.