Single anchor secondary safety tie down for a pulling apparatus

Details Single anchor secondary safety tie down for a pulling apparatus Single anchor secondary safety tie down for a pulling apparatus

1986-11-03

1988-01-26

Larson, Lowell A.

Metal deforming

By or with work-constrainer and/or manipulated work-forcer

72705, 52704, B21D 112

Patent

active

047209917

ABSTRACT:
A safety tie down assembly is adapted for use with pulling apparatus of the type used in the repair of collision damage to motor vehicles. The pulling apparatus includes a post carrying a power cylinder attached to a pulling chain which passes over a guide pulley on the post and then to the vehicle so that force applied to the piston in the cylinder applies a pulling force to the vehicle through the pulling chain. The pulling force is counteracted by a primary anchor chain coupled to the post and extending to a floor anchor. The safety tie down assembly comprises a rigid anchor guide and support removably placed in the floor anchor and contacted by the primary anchor chain so that the restraining force in the primary anchor chain is evenly distributed at the edge of the floor anchor to prevent damage to the floor. A safety anchor line is connected to a separate location on the post assembly and is then connected to a ring-like cable carried on the rigid anchor guide and support. The safety anchor line provides a safety device that prevents the post from jumping forward toward the vehicle by restraining its movement should the primary anchor line break or otherwise let loose.

REFERENCES:
patent: 3623353 (1971-11-01), Dinerman
patent: 4070834 (1978-01-01), Jameson
patent: 4574613 (1986-03-01), Doughty
patent: 4590732 (1986-05-01), Hallman

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