The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 12, 1988
Filed:
Jul. 23, 1986
Patrick W Fisher, Milwaukee, WI (US);
James P Hagen, Hartland, WI (US);
Walter E Meyer, Saukville, WI (US);
Other;
Abstract
A dockboard comprising a ramp assembly, a frame for supporting the ramp assembly for pivotal movement in a pit formed in a loading dock, a hydraulic piston-cylinder assembly mounted on the bottom of the pit in the loading dock for pivoting the ramp assembly with respect to the supporting means, a lip assembly pivotally mounted on the free end of the ramp assembly, a hydraulic piston-cylinder assembly mounted on the ramp assembly for pivoting the lip assembly to an extended position forming a continuation of said ramp assembly, the ramp assembly including a tread plate and a plurality of hinge plates mounted in a parallel spaced relation on the tread plate, each hinge plate including an ear, and a stop bar mounted on the end of the ramp assembly in the path of travel of the ears for limiting the pivotal movement of the lip assembly.