Hoberman mechanism

A Hoberman mechanism is a deployable mechanism that allows circumferential actuation to generate radial motion. The kinematic theory behind the Hoberman mechanism has found application in creating deployable structures for space.[1][2] The mechanism has one degree of freedom. However, in case of singularity it can gain extra degrees of freedom.

Animation of a two-dimensional Hoberman mechanism

A everyday example of this is the Hoberman sphere.[3] Other examples of ways he has used the mechanism are:[4]

  • A two person tent that pops open and snaps shut
  • A stadium dome that dilates like a pupil
  • A briefcase that folds down to a book
  • medical instruments that expand and contract

Also see

References
  1. Faist, Katherine A.; Wiens, Gloria J. (2010). "Parametric study on the use of Hoberman mechanisms for reconfigurable antenna and solar arrays". 2010 IEEE Aerospace Conference. pp. 1–8. doi:10.1109/AERO.2010.5446956. ISBN 978-1-4244-3887-7.
  2. http://www.google.co.in/patents/US5024031
  3. https://en.wikipedia.org/wiki/Hoberman_sphere. Missing or empty |title= (help)
  4. "Transformer".
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