Patent ID: 6510925
Filing Date: 2003-01-28
Classification: B66B

Abstract:
An elevator guide shoe for guiding an elevator car along a guide rail in an elevator shaft, said guide shoe comprising:a support frame for attachment to the elevator car; a first plurality of permanent magnets attached to said support frame; an intermediate frame; a second plurality of magnets attached to said intermediate frame, wherein said second plurality of magnets face to like poles of said first plurality of magnets, such that a magnetic force Acts in a First plane and tends to create a horizontal spacing between said support frame and said intermediate frame; guides attached to said intermediate frame, said guides for engaging the guide rail; and a suspension system located between said support frame and said intermediate frame, said suspension system allowing translational movement of the intermediate frame relative to the support frame in a second plane different from the first plane tending to create a vertical spacing between said support frame and said intermediate frame.