Toothbrush having a brush holder movable against spring force

Details Toothbrush having a brush holder movable against spring force Toothbrush having a brush holder movable against spring force

1997-12-11

1999-05-11

Chin, Randall E.

Brushing, scrubbing, and general cleaning

Machines

Brushing

A46B13/02

Patent

active

059013974

ABSTRACT:
In a toothbrush (1) comprising a stationary part (10) and a brush holder (24) which is movable with respect to the stationary part (10), and comprising a spring (48) which acts between the stationary part (10) and the brush holder (24), a link-motion device (49) is arranged between the stationary part (10) and the brush holder (24), in addition to the spring (48), in order to obtain a desired force characteristic, which link-motion device (49) is loaded by the spring (48) and comprises a link-motion follower (51) and a link-motion surface (50) having two link-motion surface portions (52, 53), the two link-motion surface portions (52, 53) adjoining one another by an edge-like transition portion (54).

REFERENCES:
patent: 5253382 (1993-10-01), Beny
patent: 5467494 (1995-11-01), Muller et al.

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