Patent ID: 6173817
Filing Date: 2001-01-16
Classification: B62B

Abstract:
A braking device for mounting on a vehicle which is movable along a surface, said braking device comprising a first portion for mounting on the vehicle, a braking portion movable relative to the first portion from an inoperative position to an operative braking position in braking contact with the surface, and retaining means for retaining the braking portion in its inoperative position, a portion of the retaining means rebutting a surface of the braking portion to prevent movement of the braking portion, the retaining means being operable in response to the passage of the device in close proximity to external means to release the braking portion, wherein the braking portion and retaining means cooperate to prevent operation of the retaining means to release the braking portion in the absence of the external means, and including means for applying a force to one of the braking portion and the retaining means to remove said cooperation on passage of the device in close proximity to the external means.