Patent ID: 7225898

Claim:
Lift for a dwelling having a lower level ( 3 ) and an upper level ( 4 ), the lift comprising: a cabin or horizontal platform ( 1 ) able to be moved substantially vertically within a shaft ( 2 ) from the lower level to the upper level, and the reverse, using actuating means positioned underneath the platform ( 1 ), wherein said actuating means includes at least one pair of scissor-mounted arms ( 11 ) pivoting about a middle pin ( 22 ) in a middle part of said at least one pair ( 11 ), one end of a first arm ( 11 a ) of said at least one pair ( 11 ) pivoting about a first fixed pin ( 13 ) secured to said shaft ( 2 ) and a second end of the first arm pivoting with the platform about a second pin ( 14 ) sliding along a first side edge of said platform ( 1 ), and one end of a second arm ( 11 b ) of said at least one pair pivoting about a third fixed pin ( 16 ) secured to the first side edge of said platform ( 1 ) and a second end of the second arm pivoting with the shaft ( 2 ) about a fourth sliding pin ( 17 ), so that the first, second and third pins are never aligned, and an actuating member cooperating with at least one ( 11 a ) of said first and second arms ( 11 a , 11 b ), the actuation of said actuating member causing rotation of the first arm from a first position in which said second arm extends above said fourth sliding pin ( 17 ) to a second lower position in which said first arm, ( 11 a ) extends underneath said fourth sliding pin ( 17 ), thereby moving said platform ( 1 ) from a first position at the upper level ( 4 ) to a second position at the lower level ( 3 ) underneath said fourth sliding pin ( 17 ), and the reverse.