designed to give the piston some rotary movement about its axis

Full Title

Pistons; Trunk pistons; Plungers > Connection to driving members > designed to give the piston some rotary movement about its axis

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL

Subclass:

PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS