A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
A61C 1/18 (2006.01)
Patent
CA 2654177
A dental handpiece includes a body having a first portion and a second portion, the first and second portions disposed at an ergonomic angle to each other. A drive gear extends from the second portion toward the first portion. The drive gear has a first axis of rotation and rotatably drives at least one driven gear having a second axis of rotation. The at least one driven gear is operatively connected to a bur disposed in the first portion to rotatably drive the bur about a third axis of rotation. The drive gear and the at least one driven gear do not include a taper gear or a face gear.
L'invention concerne une pièce à main de dentisterie comprenant un corps doté d'une première partie et d'une deuxième partie, lesquelles forment ensemble un angle ergonomique. Un pignon de commande, qui s'étend de la deuxième partie vers la première partie, a un premier axe de rotation et entraîne en rotation au moins un pignon entraîné ayant un deuxième axe de rotation. Ce pignon entraîné est couplé de manière fonctionnelle à une roulette montée dans la première partie pour entraîner en rotation cette roulette autour d'un troisième axe de rotation. Le pignon de commande et le pignon entraîné n'ont ni roue conique ni roue de champ.
Dentsply International Inc.
Smart & Biggar
LandOfFree
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