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US 6,353,958 B2Granted
Toothbrush
AssigneeCoronet-Werke GmbH
InventorGeorg Weihrauch
Life of this patent
Estimating the term…
Abstract
In a plastic toothbrush in which the substantially rigid brush head is connected by means of a spring part to the substantially rigid handle and the spring part is embedded in the plastic, a construction advantageous from the manufacturing, use and environmental standpoints is obtained in that the spring part is made at least preponderantly from plastic with a higher modulus of elasticity than the plastic surrounding it.
Claims26
A toothbrush consisting of:
- a one-piece, plastic injection molded toothbrush body defining a longitudinal dimension, a substantially rigid toothbrush head having a surface extending along the longitudinal dimension from which toothbrush bristles project, a substantially rigid toothbrush handle, a tapered toothbrush neck connecting the head and the handle, and a non-metallic toothbrush spring part with a higher modulus of elasticity than the plastic of the toothbrush body wherein the spring part is at least partially embedded in the neck.
Dependencies are inferred from the claim text.