Portable multi-purpose rail grinding machine

  • US 6,663,476 B1
  • Filed: 04/09/2002
  • Issued: 12/16/2003
  • Est. Priority Date: 04/09/2002
  • Status: Expired due to Fees
First Claim
Patent Images

1. A portable upstanding rail grinding machine for grinding field welds connecting two rail sections, each of which includes a head, a web, and a base, switch points, and frogs, comprising:

  • a frame, a motorized grinder having a disk-shaped grinding stone, means mounting the grinder on the frame for adjustably setting the stone between horizontal and vertical positions and therebetween, a rail guide assembly for guiding the machine along a rail and including at least one rail engaging guide member, said frame including a receiver for adjustably receiving said rail guide assembly to dispose said rail-engaging guide member in position to guide the machine along a rail, handlebars carried by the frame and extending upwardly for gripping by an operator standing in a substantially upright position to move the machine along a rail, and trigger means on the handlebars for selectively operating the motorized grinder, whereby said grinding machine with the grinder in generally horizontal position is capable of grinding that part of the field weld below the head of the rail while the operator is standing in a substantially upright position.

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