Patent ID: 6071065
Filing Date: 2000-06-06
Classification: B60P

Abstract:
A safety brake for a vehicle lifting apparatus comprising:a slider plate,the slider plate having a minimum of a single slider plate key, and a minimum of a single post rest, each of the single slider plate keys received into a riser plate keyway;a minimum of a single brake actuator,the brake actuator for sliding the slider plate from a retracted position, forward to a safety position as constrained by the slider plate key within the riser plate keyway, to prevent a rearward rotation of a camming crank;a brake post mounted to a cam plate, the brake post receivable into the post rest of the slider plate; andthe riser plate keyway included in a riser plate of a vehicle lifting apparatus,the riser plate also including and a cam bracket for pivotably receiving the camming crank,the riser plate mounted to a riser member of the vehicle lifting apparatus;the riser member having a top and a base, the base mounted proximate a boom of the vehicle lifting apparatus,the camming crank of the vehicle lifting apparatus including the cam plate, and having a link arm bracket, a crank actuator for rotating the camming crank in a forward direction to pivotably raise the boom, and for rotating the camming crank in the rearward direction to pivotably lower the boom.