Patent ID: 7381114
Filing Date: 2008-06-03
Classification: B24B,B29D,Y10S

Abstract:
1. A grinder assembly for contacting a tire supported by a frame relative to the tire, the grinder assembly comprising, a first section and a second section, a vertical repositioning assembly supporting said first section and said second section, and actuating said first section and said second section vertically relative to one another, and to the tire, wherein said first section and said second section include grinding heads, radial positioning systems supporting said grinding heads for radial movement with respect to the tire, and tilt adjusters provided adjacent said grinding heads to actuate said grinding heads between pivotal positions, wherein said vertical positioning assembly includes rails extending vertically along the frame, a first rail carriage supporting said first section and a second rail carriage supporting said second section, said first rail carriage and said second rail carriage being vertically repositionable along said rails to adjust the vertical positions of said grinding heads with respect to the tire.