Patent ID: 6318806
Filing Date: 2001-11-20
Classification: B60N

Abstract:
A vehicle seat comprising first and second parts mounted so as to pivot relative to one another by means of a first pivot mechanism comprising:a single-train hypocycloid gear mechanism, this gear mechanism comprising first and second annular sets of teeth meshing one with the other and joined respectively to the first and second parts of the seat, the first and second sets of teeth being arranged so that one extends radially towards the exterior and the other radially towards the interior and said first and second teeth respectively have first and second transverse horizontal central axes, offset one from the other,a cam mounted so as to rotate on the one hand relative to the first set of teeth about the first axis and on the other relative to the second set of teeth about the second axis in order to drive the first and second sets of teeth in relative rotation,and a control shaft which is joined to the cam and which is centered on the second axis on a level with said cam, wherein the control shaft has a part forming a crank, comprising an activating member which is centered on the first axis and which is driven in rotation by an electric motor on the first part of the seat.