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US 4,783,869 AGranted
Rotative toothbrush
OwnerYu S. Leeinventor
Life of this patent
Estimating the term…
Abstract
A toothbrush comprising a brushhead, a shaft having a plurality of net-shaped grooves, a ring having a plurality of projecting members for engaging with the grooves of the shaft, and a tubular gripping member for receiving the shaft with the ring and a cap whereby the toothbrush is longitudinally and rotably movable within the gripping member.
Claims1
A toothbrush comprising:
- a brushhead member,
- a shaft member connected to said brushhead member, said shaft member containing a plurality of net-shaped grooves disposed on the outside surface thereof,
- a ring member slidably disposed on said shaft member and having a plurality of projecting members disposed thereon for engaging in said plurality of net-shaped grooves,
- a cap member slidably disposed on said shaft member,
- a tubular gripping member slidably disposed over said shaft member and said ring member for screw engagement with said cap member, and
- spring means disposed inside of said tubular gripping member for biasing against the end of said shaft member whereby the toothbrush is longitudinally and rotatably movable within the gripping member.
3 more elements
Dependencies are inferred from the claim text.