together with devices to obtain and set the height and the inclination of seats, chairs and armchairs, contained in a box - like and supplemented by normal pusher craft gas

摘要

is the subject of this found the instruments that attrezzano and complement the metal structure of chairs and seats with the seat and the backrest.furniture on the vertical axis and inclinabili.these devices are characterised by the fact that are collected in one box - support preferably metallic and pressofusa; this includes the metal plate oscillating door forumsit is supported by the column; which is the shaft of the cylinder spintore gas, capable of implement the raising of the seat.