Improved model of fastening for igneous lighter stones (Machine-translation by Google Translate, not legally binding)

摘要

Improved model of fixing for igneous stones of lighter that is characterized by being arranged inside a horizontal cylindrical hole previously verified in the lighter and so that its front mouth coincides with the steel milling cutter that must rub against the head of the piece igneous. The rear half of this hole is threaded and capable of receiving a sleeve whose center is drilled through a rectangular hole from part to part. (Machine-translation by Google Translate, not legally binding)