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Variable counterweight system for a material handling vehicle

  • US 8,807,910 B1
  • Filed: 08/27/2011
  • Issued: 08/19/2014
  • Est. Priority Date: 05/31/2007
  • Status: Active Grant
First Claim
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1. A method for maximizing and varying a counterweight load on a variable counterweighing device attachable to a material handling machine, said method comprising:

  • A variable counterweighing device attachable to a material handling machine, said variable counterweight device comprising a guide track, said guide track having extendable length, said guide track having one or more straight, angled or curved portions, a moving track held within said extendable guide track, a plurality of individual counterweight members attachable to said moving track, said moving track attached to a rotary axle connected to a drive device, said drive device connected to an energy source;

    The method for maximizing and varying a counterweight load on said variable counterweighing device wherein individual counterweight members of said plurality of individual counterweight members are hingely and pivotally connected to said moving track, each connected individual counterweight member being adjacently positioned next to another connected individual counterweight member on said moving track without obstruction with each other such that any attached individual counterweight member may pivot freely at said hinged connection and be transferred in an unobstructed manner through angled or curved portions of said guide track in variable manner.

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