Patent ID: 6406000
Filing Date: 2002-06-18
Classification: B62D

Abstract:
A device for securing the upper terminal position of a liftable and lowerable object, comprising:cable means having a hoist-side end and an object-side end; a stationary bracket having an aperture disposed in a substantially horizontal plane; a housing supported by said object-side end of said cable means and carrying said object, said housing having a lower portion and an upper portion, at least the upper portion being configured to pass through said aperture, a first opening at the top of the upper portion and a second opening at the bottom of the lower portion facilitating the passage of said cable means through said housing, and two oppositely located, elongated slots extending along at least parts of said upper portion; lever means located inside, and extending through a substantial portion of, said housing, said lever means being pivotably mounted in the lower portion of said housing and being provided with catch means and camming means, said lever means having a first limit position in which said camming means protrudes through one of said elongated slots, and a second limit position in which said catch means protrudes through the other one of said elongated slots, and spring means adapted to act on said lever means and biasing said lever means towards said second limit position.