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Miniature, portable, self-contained power machine

  • US 5,647,721 A
  • Filed: 06/07/1995
  • Issued: 07/15/1997
  • Est. Priority Date: 09/25/1992
  • Status: Expired due to Fees
First Claim
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1. A miniature, portable, self-contained power machine for handling materials, comprising:

  • a rigid frame having an integral platform and providing a base structure for all components of said machine;

    electrical power supply means for powering said machine and attached to said rigid frame;

    means for regulating the motion of said machine;

    roller chains forming a traction system for moving said machine over various terrains and attached to said rigid frame;

    a central hydraulic system which is powered by said electrical power means;

    a hydraulically powered material handling implement having two differently sized shafts extending from a bottom of said hydraulically powered material handling implement;

    means to couple said central hydraulic system to said hydraulically powered material handling implement;

    means to control the movement of said hydraulically powered material handling implement;

    an assembly socket formed in said integral platform of said rigid frame for receiving one of said differently sized shafts and rigidly securing said hydraulically powered material handling implement to said frame;

    a torque arm socket means formed in said integral platform of said rigid frame for receiving another of said two differently sized shafts and rigidly securing said hydraulically powered material handling implement to said frame; and

    a retainer cap for fastening to one of said two differently sized shafts from underneath said integral platform for rigidly securing said shaft within said assembly socket and thereby securing said hydraulically powered material handling implement to said machine.

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