Roofing system

Details Roofing system Roofing system

1976-01-12

1977-09-20

Blunk, Evon C.

Railways

Derailment guards

Guide rollers

104 1R, 182 38, 182 45, E04E 302, E04D 1507

Patent

active

040489248

ABSTRACT:
Packets of long metal roofing panels are transported on the skeletal structure of a pitched roof by a carrier structure with an elongated skeletal frame spanning the purlins which run the length of the pitched roof. The carrier structure comprises wheel structure on each of several adjacent purlins, with each such wheel structure comprising multiple sets of pairs of a horizontal axis wheel and a vertical axis wheel.

REFERENCES:
patent: 206416 (1878-07-01), Bowman
patent: 463106 (1891-11-01), Dees
patent: 710281 (1902-09-01), Leek
patent: 1016935 (1912-02-01), Clark
patent: 1160721 (1915-11-01), Kessler
patent: 1214094 (1917-01-01), Thompson
patent: 1825468 (1931-09-01), Miller
patent: 2814533 (1957-11-01), Van Horn

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