Patent ID: 6115899
Filing Date: 2000-09-12
Classification: B21D,E04D,Y10T

Abstract:
An apparatus for forming the seam that joins two adjacent interlocking male and female metal roof sections, comprising:a) a frame having opposed upper and lower portions;b) the upper and the lower portion each having a plurality of rollers that enable the frame to be frictionally engaged with each of the roof sections at the seam, including an upper set of rollers at the upper portion of the frame and a lower set of rollers at the lower portion of the frame;c) a locking mechanism that closes a selected set of rollers to grip the seam;d) a motor drive that rotates at least some of the rollers for transporting the frame along the roof seam during a forming of the roof seam; ande) wherein the upper set of rollers and the lower set of rollers can be selected to engage the roof seam by orienting the frame to present the selected upper or lower rollers to the roof seam.