Safety brake apparatus for a vehicle lifting and towing mechanis

Details Safety brake apparatus for a vehicle lifting and towing mechanis Safety brake apparatus for a vehicle lifting and towing mechanis

1998-09-11

2000-06-06

Kramer, Dean J.

Material or article handling

Traversing hoist type

Tow truck type

212292, B60P 312

Patent

active

060710659

ABSTRACT:
A safety brake apparatus for a vehicle lifting and towing mechanism is provided that includes a minimum of a single riser plate mounted near the top of the vehicle lift's riser member. The riser plate includes a slider plate keyway and a cam bracket. A slider plate is received onto the riser plate. The slider plate includes a slider plate key and at least a single post rest. The slider plate key is received into the slider plate keyway of the riser plate. A brake actuator is also mounted to the riser plate. The brake actuator slides the slider plate from a rearward or retracted position, to a forward or safety position, as the slider plate key travels forward or rearward within the riser plate keyway. In the safety position, the boom of the vehicle lifting apparatus is prevented from lowering. The boom is attached to the riser member and pivotably mounted to a frame member. The safety brake helps to minimize the potential hazards encountered in failures of hydraulic systems that are utilized in lifting mechanisms. The safety apparatus can be mounted on a towing vehicle and is especially suited for a retro-fit installation.

REFERENCES:
patent: 4000823 (1977-01-01), Aquila
patent: 4798509 (1989-01-01), Bubik
patent: 4874285 (1989-10-01), Bubik
patent: 5713714 (1998-02-01), Walters
patent: 5853283 (1998-12-01), Grant

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