TOOTH-BRUSH Russian patent published in 1995 - IPC

FIELD: articles of sanitation and hygiene. SUBSTANCE: tooth-brush has neck portion composed of two members 2 and 3. Member 2 has cavity 4, where member 3 and flexible member 6 are mounted, with flexible member 6 being adapted for spring-biasing of member 3. Curvature radius of cavity of member 2 of neck portion is equal to that of member 3, which carries head 8 with bristles 9. EFFECT: increased efficiency in usage. 2 dwg