Floating hinge

A floating hinge is a hinge that, while able to behave as a normal hinge, enables one of the objects to move away from the other - hence "float". In effect, the hinge allows for two parallel axes of rotation – one for each object joined by the hinge – and each axis can be moved relative to the position of the other.[1]

Cooking grill with floating hinge

Uses
Book scanner with floating hinge

Floating hinges are used in flatbed scanners designed to scan thick objects such as books. If a regular sheet of paper is placed on the glass and the cover is lowered over it, the glass, the paper, and the sheet are very close together. If a thicker object is placed on the glass, an ordinary hinge would leave the cover at an angle to the glass; a floating hinge raises the hinged edge of the cover to the level of the book so that the cover remains parallel to the glass, but raised above it.[2]

Floating hinges are also used in two-plate electric cooking grills, as they allow for even heating of both sides of a thick piece of food without crushing it.[3]

See also
  • Concealed hinge jig – Support and locating tool for drilling recess holes to mount concealed hinges
  • Hinge – Mechanical bearing connecting two objects

References
  1. mrhardwareco.comm (May 2014). floating-hinges. mrhardwareco.com.
  2. John Dawson (1988). Prints and Printmaking. New Burlington Books. ISBN 978-1-85348-110-9.
  3. yourultimatekitchen.com (May 2014). floating-hinge. yourultimatekitchen.com.
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