Elongated, curved framework with a variable degree of curvature

Details Elongated, curved framework with a variable degree of curvature Elongated, curved framework with a variable degree of curvature

1997-05-14

2000-04-04

Safavi, Michael

Static molds

Miscellaneous mold adjuncts

In situ construction engineering or building type

249 11, 249212, E04G 1714

Patent

active

060451149

ABSTRACT:
An elongated, curved framework with a variable degree of curvature. The framework comprises plural link members, joint units connecting the link members together, and elements for bending the link members at the joints. A desired number of link members can be connected together to provide a desired length of elongated, curved framework. Inside the joint unit is located a bolt-engaging member, and the joint unit and the bolt-engaging member are joined together by a bolt. The bolt is engaged with a nut. Rotating the bolt in one direction causes the link members to bend at the joint in one direction. Rotating the bolt in an opposed direction causes the link members to bend at the joint in an opposed direction. Three pins can be used to enable the link members to withstand load well.

REFERENCES:
patent: 1019314 (1912-03-01), Frick
patent: 1112542 (1914-10-01), Loser
patent: 1284766 (1918-11-01), Popendick
patent: 1314040 (1919-08-01), Bely et al.
patent: 1734773 (1929-11-01), Murray
patent: 4745714 (1988-05-01), Matsutani

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