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US 2002/0117229 A1Published application
Flexible arm assembly
AssigneeWater Pik, Inc.
InventorsHarold A. Luettgen, Michael Cammack
Life of this patent
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Abstract
A bead and interconnecting bead structure for use in a flexible arm assembly having improved interface characteristics allowing for simple, quiet adjustment of the structure in three dimensions, while simultaneously increasing the weight of object the arm assembly can support. The interface characteristics are improved by utilizing two different materials at the area of contact between two adjacent beads.
Claims23
A flexible arm assembly comprising:
- a first bead having a first end, said first end having an external surface;
- a second bead having a second end, said second end having an opening defining an internal wall and adapted to receive said first end of said first bead;
- and
- an overmold surface disposed between said external surface of said first bead and said internal wall of said second bead thereby creating a friction relationship between said first bead and said second bead sufficient to maintain said flexible arm assembly in a fixed orientation.
1 more element
An interconnecting bead unit comprising:
- a first bead comprised of a first material;
- and
- a second bead comprised of a second material movably connected to said first bead.
A bead for a flexible arm assembly, said bead comprising:
- a first end having an external surface, said first end being made from a first material;
- and
- a second end having a recess adapted to receive said first end of said first bead, said second end being made from a second material.
Dependencies are inferred from the claim text.