A top jaw system for securing a top jaw in position above a chuck on a milling machine, lathe or the like is provided. A protrusion extends upward from the chuck and is preferably attached to the chuck by rigid attachment to a jaw nut which is positioned in a common master jaw on the chuck. The protrusion...http://www.google.fr/patents/US5076596?utm_source=gb-gplus-shareBrevet US5076596 - Top jaw and wedge connector
