Drive unit for motor vehicle ladder rack

Details Drive unit for motor vehicle ladder rack Drive unit for motor vehicle ladder rack

1998-09-22

2000-08-08

Morse, Gregory A.

Material or article handling

Vehicle attached auxiliary carriers

224310, B60P 900

Patent

active

06099231&

ABSTRACT:
A ladder rack adapted to be affixed to the roof of a utility vehicle is equipped with a DC motor powered drive which, when actuated, controls the movement of ladders from a location on the vehicle roof to a location alongside the body of the vehicle. The drive includes a DC motor driven lead screw having a traveling nut thereon coupled to an endless chain deployed about a sprocket on an output shaft and a sprocket on an idler shaft such that rotation of the lead screw drives the output shaft. That output shaft is, in turn, coupled to a connecting rod of the ladder rack.

REFERENCES:
patent: 4826387 (1989-05-01), Audet
patent: 5054578 (1991-10-01), Smillie, III
patent: 5262706 (1993-11-01), Hollingsworth
patent: 5297912 (1994-03-01), Levi
patent: 5850891 (1998-12-01), Olms et al.

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