Static structures (e.g. – buildings) – Inclined top cover – Rafter to vertical support connection
Patent
1979-06-18
1982-08-03
Perham, Alfred C.
Static structures (e.g., buildings)
Inclined top cover
Rafter to vertical support connection
52281, 52665, 52741, 403188, 403313, 403387, 403400, E04B 702, F16B 708
Patent
active
043421776
ABSTRACT:
A prefabricated steel frame building structural system which is assembled with nuts and bolts and required no shop welding or site fabrication. The columns and beams in the building are fabricated from lengths of very high strength, light gauge, stiffened C-channel steel stock. Uniquely designed haunch plates and haunch plate stiffener angles are used for column-beam connections and novel ridge plates and ridge plate stiffener angles are used for beam-beam connections to form the two hinged end wall and intermediate frames for the building. Also used are novel corner girt clips for securing the girts to the corner columns; rake purlin angles for securing purlins to the rake beams; and purlin girt clips for securing purlins to the intermediate beams and for securing girts to the intermediate columns. Each of the mentioned components are designed so that they may be used interchangeably at both the left and right sides of the building, there being no specially designed left and right said components. Also disclosed are unique methods of fabricating the purlin girt clips; and of designing a prefabricated steel frame building whose size may be incrementally varied while using the same said components, except for the length and/or gauge of the columns and beams, regardless of the dimensions of the building within a given range of building sizes.
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Deits David H.
Mattern Jr. Roy E.
Moravan Gregory W.
Perham Alfred C.
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