Prefabricated pyramid-shaped structural members for three-dimensional frameworks
In prefabricated pyramid-shaped structural members for the production of two-part grill frameworks, the diagonally running rods of each pyramid-shaped structural member are welded with their ends on a cover plate, which has a borehole for the passage of a fastening screw for a head member. Each head...
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Main Author | |
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Format | Patent |
Language | English |
Published |
10.07.1990
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Subjects | |
Online Access | Get full text |
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Summary: | In prefabricated pyramid-shaped structural members for the production of two-part grill frameworks, the diagonally running rods of each pyramid-shaped structural member are welded with their ends on a cover plate, which has a borehole for the passage of a fastening screw for a head member. Each head member includes a contact surface for the cover plate and is provided with a tapped borehole to receive the fastening screw, which connects the relevant joint member in each case with the cover plate. This screw connection is advantageously not undertaken until at the point of assembly of the grill framework. |
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Bibliography: | Application Number: US19880230354 |