US 5,513,944 AGranted

Roll handling apparatus for fork lift trucks

AssigneeNRS Systems

InventorsRalph E. Cullen, John R. Sjolund

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Abstract

The disclosure is directed to convert any fork lift truck to a roll turning fork truck by sliding a specially designed rectangular frame onto the truck forks. Two safety chains are incorporated to firmly attach the device to the fork lift carriage. The frame combines a power winch and cable that engages a roll or coil core via a roll center lift in combination with an arm proceeding out from the roll center lift to the outside mid-width of the roll or coil which is attached to an adjustable fixed length chain. By lowering or raising the winch cable past the fixed length chain, rolls can be turned to either a true horizontal or vertical position. The adjustable "L" frame suspends from the fixed length chain at the lowest point with a pivot pin to achieve the turning feature when the winch cable is activated. Even though a fork truck may be stationary, the center lift is free to guide into the roll because the roll center lift is connected to a flexible cable and flexible chain.

Claims1

Dependent claims

An apparatus for lifting and rotating a roll of material having an accessible axial core opening, comprising:

a rectangular frame comprised of four frame members of varying size welded together and designed to fit onto the forks of a conventional fork lift truck, each member comprising a rectangular tube;
an L-shaped arm;
a probe having first and second ends, the first end constructed for insertion into the core opening of a said roll and including gripping means comprising expansion means for expanding and gripping the inside of the core opening, said second end being connected to said arm;
flexible vertical support means having first and second ends and being pivotally connected to a pivot point on said arm at said first end of said support means and connected to said frame at said second end of said support means;
a second flexible vertical support means having first and second ends, said second end of said second support means being connected to said probe;
control and power means connected to said frame and operatively connected to said first end of said second support means to permit controlled extension and retraction of the second support means to thereby provide for rotation of a handled said roll from vertical to horizontal or the reverse;
wherein said control and power means comprises an electric winch, and said second support means comprises a chain.

4 more elements

Dependencies are inferred from the claim text.