Lifting device for raising and freeing stuck vehicles
OwnerDonald A. Chapmaninventor
Life of this patent
Estimating the term…
Abstract
A portable lifting device for raising and freeing stuck and mired vehicles including a pair of wide spaced generally flat channel iron supporting plates spanned and having a wide flat channeled base plate removably connected thereto with the lower end of a two part telescopically adjustable lever fulcrummed therein. The lever is angled toward the stuck vehicle and a chain from a towing vehicle is positioned over the forked upper end of the lever and is attached to the vehicle so that when a pull is exerted on the chain the lever swings upwardly and forwardly and lifts the attached end of the vehicle until the lever falls free of the chain permitting the vehicle to be towed thereover without interruption.
Claims6
A lifting device for raising and freeing stuck vehicles comprising a pair of relatively wide flat spaced channeled supporting plates, a relatively wide flat channeled base plate spanning and removably interconnected to said supporting plates, an elongated square shaped tubular lever, a square shaped upper section telescopically received in said lever, a transverse tubular bearing on the lower end of said lever, said bearing positioned on said base plate and receiving hinge pin means therein for pivotally connecting said lever thereto, means on the upper end of said upper lever section for receiving a towing chain therethrough for connection to a vehicle to be raised and towed, whereby a pull exerted on said chain will pivot said lever upwardly to raise and free the vehicle and thereafter cause said lever to collapse forwardly to disengage said chain and permit continued uninterrupted forward travel of the vehicle.
Dependencies are inferred from the claim text.