Larry H Petersen

US Patent:

56789840, Oct 21, 1997

Filed:

Sep 30, 1996

Appl. No.:

8/724103

Inventors:

Larry M. Petersen - Long Grove IA

International Classification:

B65G 6702

US Classification:

414537

Abstract:

A ramp for flatbed trucks and trailers which may be attached or removed from the vehicle in a matter of seconds and requires no modification of the trailer. The invention utilizes two ramp sections which are pivotally secured together by a double piano hinge assembly and driven by a pair of hydraulic cylinders. A series of legs depending from the forward edge of the from ramp engage the sockets commonly found at the rear of a flatbed as the forward vertical framework of the ramp engages the trailer's rear safety bar for added stability and strength.