Patent ID: 7600815
Filing Date: 2009-10-13
Classification: A61G

Abstract:
1. A raiser seat for assisting a person from a sitting to a standing position comprising: a seat frame; a seat adapted for movement relative to the seat frame between a lowered position and a raised position; and a movement mechanism for moving the seat between the lowered and the raised positions; wherein the movement mechanism comprises at least one cam pivotally mounted with respect to the seat frame about an axis, the at least one cam is attached or integrated to a gear coaxial with the axis of the at least one cam, the gear being in meshed engagement with a toothed rack such that translation of the toothed rack results in rotation of the at least one cam, the at least one cam including a cam profile, the cam profile supporting and being movable with respect to the seat such that rotation of the at least one cam results in movement of the seat relative to the seat frame between the lowered position and the raised position.