DISPOSABLE HEAD PORTION FOR A NODALLY MOUNTED ROTATING TOOTHBRUSH
First Claim
1. A head portion for a nodally mounted toothbrush which includes a handle portion having a driving system therein, comprising:
- a head portion for a nodially mounted toothbrush which is removable from the handle portion of a toothbrush and is disposable, the head portion including (a) a drive shaft on which is mounted a brushhead with bristles for cleaning of teeth, (b) a spring assembly which is responsive to the driving system to move the drive shaft and (c) a cover member which includes a removable connection to the handle portion, the spring assembly including first and second spring sections and a node point between the two sections, wherein one spring section in operation is moved in one direction by the driving system while the other spring section moves in an opposing direction, and wherein the drive shaft extends from the second spring section.
1 Assignment
0 Petitions
Accused Products
Abstract
A head portion of a nodally mounted rotating toothbrush is removable from a handle portion, which has a driving system therein. The head portion includes a spring assembly, having two spring sections, the spring assembly having a node point between the two ends and a nodal mount member at the node point which is connected to a cover member of the head portion. A driving assembly is arranged to drive the first spring section, the second section rotating in an opposing direction from the first spring section, the second spring section having a drive shaft extending therefrom, upon a free end of which a brushhead is mounted. When the head portion is removed from the handle, the spring assembly is removed therewith.
30 Citations
12 Claims
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1. A head portion for a nodally mounted toothbrush which includes a handle portion having a driving system therein, comprising:
a head portion for a nodially mounted toothbrush which is removable from the handle portion of a toothbrush and is disposable, the head portion including (a) a drive shaft on which is mounted a brushhead with bristles for cleaning of teeth, (b) a spring assembly which is responsive to the driving system to move the drive shaft and (c) a cover member which includes a removable connection to the handle portion, the spring assembly including first and second spring sections and a node point between the two sections, wherein one spring section in operation is moved in one direction by the driving system while the other spring section moves in an opposing direction, and wherein the drive shaft extends from the second spring section. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
Specification