NODAL SPRING ASSEMBLY FOR AN ELECTRONIC TOOTHBRUSH

摘要

A nodally mounted spring arrangement for a drive train which is used in an electronic toothbrush which includes a housing. A V shaped spring member (15) is secured at both ends thereof, wherein the spring member has a node point (30) along a ridge line, approximately halfway along the of the spring member. A mounting plate (26) member is fixedly connected to the node point of the spring member and also fixedly connected to the housing of the toothbrush.

主权项

1. A nodally mounted spring arrangement for a drive train used in an electronic toothbrush having a housing, comprising:
a V shaped spring member secured (15) at both ends thereof, the spring member having a node point (30) along the length thereof; and a mounting plate member (26) fixedly connected to the node point of the spring member and fixedly connected to the housing of the toothbrush, wherein in operation the spring member is excited in an out-of-phase mode, such that rotation of one portion of the spring member in one direction results in a rotation of the remaining portion of the spring member in the opposite direction.