Patents Assigned to Grinding & Polishing Machinery Corp.
  • Patent number: 4369606
    Abstract: An abrasive head including a plurality of radially extending brushes interspaced with abrasive strips. The brushes are secured by brush holders between a pair of parallel plates with the holders having overlapping mounting flanges secured together to one of the plates. A pair of hubs mounted to the plates receives a rotatable spindle upon which the head is mounted. A pair of wrench-engageable lock plates engages stop surfaces on the hubs limiting relative motion therebetween. A holder within the head adjustably secures a plurality of abrasive strips rolled upon each other having free distal ends located between the brushes.
    Type: Grant
    Filed: September 11, 1980
    Date of Patent: January 25, 1983
    Assignee: Grinding & Polishing Machinery Corp.
    Inventor: Ralph E. Reiman