| 摘要 |
FIELD: sanitary and hygienic articles. SUBSTANCE: toothbrush has hollow handle 1, return valve 7, fixed door 12, spring-loaded button 9 and flexible pipe 11. Button 9 is mounted for movement in shaped slot made in handle wall. One end of pipe 11 is disposed for contact with fixed door 12 and other end leads out through opening in head 2 of toothbrush onto bristles and is pivotally attached on head by single-arm lever 13. Handle cavity is filled with tooth paste. EFFECT: simplified construction and increased convenience in usage. 5 dwg3
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