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Application filed by Технологічний Інститут Машинобудування, Технологический институт машиностроенияfiledCriticalТехнологічний Інститут Машинобудування
Priority to UA4287184ApriorityCriticalpatent/UA7368A1/en
Publication of UA7368A1publicationCriticalpatent/UA7368A1/en
A pneumatic screwdriver contains a housing, located therein axially spring loaded inlet valve, a pneumatic engine with a reducer having axial openings, a rod for valve control installed in the openings, a spindle located with possibility of axial displacement, on which there are installed spring loaded to each other the driving half-coupling connected with the reducer and the driven half-coupling related to it by screw teeth, a slider and a pusher located between the first and the rod axially to the later. The driven half-coupling has a bevel on the end face. A stop for limiting axial stroke of the driven half-coupling, an axial opening for the pusher and perpendicular to the spindle axis opening for the slider are made on the spindle.