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US 6,138,359 AGranted
Curved wall and ceiling frame member and method and apparatus for producing the same
OwnerCharles W. Mearsinventor
Life of this patent
Estimating the term…
Abstract
Method and apparatus for producing a predetermining curvature in the flange and web of a structural member including an indexing mechanism and method for controlling the amount of curvature produced.
Claims2
The method for producing a predetermined curvature in a member having a web and flange, said method comprising,
- providing a base for supporting a member to be curved,
- providing a web indenting arm movably mounted on said base for movement into and engagement with a web of the member to be curved, providing a flange indenting blade connected to said base and positioned for movement into engagement with the flange for indenting the same,
- providing an actuating and guiding mechanism connected with the arm and blade for actuating the arm and blade to produce a predetermined indentation in the web and flange of the member being curved,
- actuating the arm and blade to produce an increment of curvature in the member being curved by the indentation in the web and flange of the member.
1 more element
Dependencies are inferred from the claim text.