Resources Contact Us Home
Sliding shell mechanism for a hollow puzzle

Image Number 4 for United States Patent #7438290.

A sliding shell mechanism includes a circumferential band, and a pair of portions attachable to the circumferential band, each portion having formed on an edge portion thereof an annular groove, the grooves being sized and configured to slidingly and matingly receive tongue portions of the circumferential band. The disclosed sliding shell mechanism may include additional circumferential bands and provide a hollow interior portion in which electronic circuits may be disposed.

  Recently Added Patents
Modification of an object replica
Methods for predicting cardiac toxicity
Method for eliciting an immune response to human telomerase reverse transcriptase
Method and apparatus for reducing power consumption used in communication system having time slots
Patterned MR device with controlled shape anisotropy
Exposure method, exposure apparatus, and method for producing device
Compositions for inhibiting NADPH oxidase activity
  Randomly Featured Patents
Filament-wound venturi
System and method for enterprise authentication
Search technique for design patterns in Java source code
Temperature actuated spacing regulator and alarm
New substituted heterocyclic benzamides, methods of preparing them and their application as behavior modifiers
Automatic characterization of mechanical and/or geometric properties of staple fiber samples and suitable apparatus therefor
Semiconductor integrated circuit apparatus having an periphery impurity layer
Water absorbing mat
Semiconductor memory device
Arylalkylsulfonic acids and methods for producing same