Other against - angle or turbine of a dental a contra-angle

摘要

A sleeve 2 is mounted rotatably in the body of the head; it is equipped with claws 6 relocatable in the radial direction between a clamping position and a position of release. The claws 6 comprise ramps 6b incline towards the axis of the sleeve and a tightening socket 8 rise to the sleeve comprises ramps 8f cooperating with the ramps of the claws, axially movable with respect to the sleeve under the action of a button - pusher 12 mounted in the upper part of the body. The balls 9 are montees between the ramps associated of the claws and of the bush.