Roofing machine

Details Roofing machine Roofing machine

1979-06-07

1981-01-06

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With work feeding or handling means

242 86, 242 72R, 242 68, B44C 700, B65N 7538, B65N 7518, B65N 1702

Patent

active

042434688

ABSTRACT:
A machine for laying a roll of sheet material comprising a frame, a roller rotatably mounted on the frame and a pair of wheels rotatably mounted on the frame. An expandable mandrel is provided for mounting the roll of sheet material. The mandrel is mounted on the frame by two sets of jaws, each of which is controlled by a double set of toggle mechanisms.

REFERENCES:
patent: 466228 (1891-12-01), Ford
patent: 537789 (1895-04-01), Sinclair
patent: 1278272 (1918-09-01), Wilson
patent: 3332827 (1967-07-01), Griffith
patent: 4084763 (1978-04-01), Zamboni

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