Woodworking – Wood bending press
Patent
1992-02-10
1993-04-06
Bray, W. Donald
Woodworking
Wood bending press
144269, 144349, 156443, 1565838, 269 58, 269216, 269225, B27H 100, B27D 100
Patent
active
051994755
ABSTRACT:
A device for shaping an optionally pressing curved components, such as curved beams of glued laminated girders, is provided which, in a modular type of construction, comprises at least two clamping devices on a base, which are movable. Each clamping device has, as a foundation, a slide that is movable along guides which, for example, are movable with rollers along a pair of rails as guides. In the central part of the slide, a rotary table is rotatable around an axis perpendicular to the slide, on which at least two adjustable clamping elements, symmetrical to the axis of rotation, are provided. To adjust these clamping elements, which can be formed by tighteners, an adjusting device is placed centered on the slide. With this adjusting device, the tighteners are moved toward, and away from, each other symmetrically relative to the axis of rotation in their opposite arrangement. A manual control or a computer-aided control can be used to control the device.
REFERENCES:
patent: 927925 (1909-07-01), Kaufman et al.
patent: 1561613 (1925-11-01), McKeown
patent: 2331927 (1943-10-01), Greevy
patent: 2399348 (1946-04-01), Hobbs
patent: 4711281 (1987-12-01), Kessel et al.
Von Friedrich Fessel; Maschinen zur spanlosen Holzformung; Apr. 1952.
Bray W. Donald
Koeder Ingenieurbuero und Sondermaschinen
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