Patent ID: 7331740
Filing Date: 2008-02-19
Classification: B23C,E01B,Y10T

Abstract:
1. An apparatus, comprising: a mounting body; a support having a first end and a second end, the first end of the support being pivotally secured to the mounting body for pivotal movement about a substantially horizontal primary pivot axis; and a rail grooming head mounted to the second end of the support; wherein the rail grooming head includes a walking beam assembly that pivots about a substantially horizontal secondary pivot axis positioned substantially perpendicular to the primary pivot axis with a rail grooming tool; and wherein the walking beam assembly has a first end and a second end, a first shoe being pivotally mounted at the first end for pivotal movement about a substantially horizontal pivot axis parallel to the secondary pivot axis and a second shoe pivotally mounted at the second end for pivotal movement about a substantially horizontal pivot axis parallel to the secondary pivot axis.