GB1081021A - Toothbrush - Google Patents
ToothbrushInfo
- Publication number
- GB1081021A GB1081021A GB1501865A GB1501865A GB1081021A GB 1081021 A GB1081021 A GB 1081021A GB 1501865 A GB1501865 A GB 1501865A GB 1501865 A GB1501865 A GB 1501865A GB 1081021 A GB1081021 A GB 1081021A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bristles
- long
- brush head
- short
- short bristles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/40—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like orbiting, e.g. nutating
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Brushes (AREA)
Abstract
1,081,021. Toothbrushes. SUNBEAM CORPORATION. April 8, 1965 [April 22, 1964], No. 15018/65. Heading A4K. A toothbrush includes an electric motor in its handle (10) to move its brush head (12) in a circular or elliptical path, the head (12) carrying tufts (18) each formed of interspersed long and short bristles (22, 24). In use, the free ends of the long bristles (22) become anchored in tooth depressions so that the circular movement of the brush head (12) causes each long bristle (22) to generate a conical path, the short bristles (24) following the brush head movement over their whole length. The long bristles (22) thus have their effective stiffness increased by wrapping around the short bristles (24) until their frictional anchorage in the tooth depressions is overcome and they perform a rapid sweeping motion. The short bristles may be thicker than the long bristles.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36173764A | 1964-04-22 | 1964-04-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1081021A true GB1081021A (en) | 1967-08-31 |
Family
ID=23423253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1501865A Expired GB1081021A (en) | 1964-04-22 | 1965-04-08 | Toothbrush |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1081021A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4827550A (en) * | 1985-06-10 | 1989-05-09 | Dental Research Corporation | Removable head mechanism for automatic cleaning device |
-
1965
- 1965-04-08 GB GB1501865A patent/GB1081021A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4827550A (en) * | 1985-06-10 | 1989-05-09 | Dental Research Corporation | Removable head mechanism for automatic cleaning device |
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