Electrically powered dental cleansing apparatus

Details Electrically powered dental cleansing apparatus Electrically powered dental cleansing apparatus

1996-12-04

2000-04-18

Lucchesi, Nicholas D.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

433121, 132322, A61C 107, A61C 303

Patent

active

060508183

ABSTRACT:
An electrically powered dental cleansing apparatus in which a cleansing implement is coupled to a drive sleeve and adapted to be rotated about a longitudinal axis. The coupling is effected by a resilient member, in particular a spring which includes a slip coupling and/or a buffer zone. Under normal conditions, the slip coupling provides a non-rotative connection between the drive sleeve and the cleansing implement. However, in the event of the cleansing implement seizing in an interproximal space, for example, the slip coupling will slip, thus avoiding potential damage. The buffer zone acts to prevent displacement of the cleansing implement--although intended by the user--in cases where, for example, the cleansing implement is positioned against a tooth surface rather than against an interproximal space.

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