发明名称 Tool for seating tubing in a concealed roofing base rail
摘要 A tool for seating tubular members in grooves provided on each side of a base rail which is mounted on a supporting roof structure to secure the sheathing material for the roof covering the supporting roof structure to the base rail. The tool includes a frame having a first and second section. A wheel assembly is provided on both the front and back of said sections for supporting the frame for movement on the supporting roof structure. A housing is mounted on each section of the frame with a guide mounted on each housing on each side of the base rail for aligning the tubular members in the grooves in the base rail. The tubular members are seated in the grooves by rollers provided on each side of the base rail. The rollers being provided with grooves which correspond to the curvature of the center portion of the base rail and a drive motor for simultaneously rotating the rollers for driving the tool along the base rail.
申请公布号 US4977659(A) 申请公布日期 1990.12.18
申请号 US19890458949 申请日期 1989.12.29
申请人 RISTOW, DELANO H.;RISTOW, DANIEL B. 发明人 RISTOW, DELANO H.;RISTOW, DANIEL B.
分类号 B25B27/00;E04D5/14;E04D15/04;E04F21/00;F16B5/06 主分类号 B25B27/00
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