Universal stud driver. Drawing, description

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Universal stud driver. home workshop

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Participants of the NTTM Novokuibyshev freight motor transport enterprise of the Middle Volga Transport Administration introduced a high-speed universal key for screwing in studs. Thanks to the use of interchangeable inserts with central threaded holes for different diameters of studs, it can be used for screwing studs of any size.

The key consists of a hollow body, a spring, a bolt, a stud, a conical thrust bearing and an insert. Before starting work, an insert with a thread corresponding to the size of the stud is inserted into the key body. When screwing by hand, a handle is put on the shutter shank, with a mechanical drive, the key is attached to the cartridge. During the rotation of the tool, the insert is screwed onto the stud and deepens it into the part. At the same time, under the action of a spring, the shutter, held in the lower extreme position by a finger, enters the horizontal part of the groove, providing automatic locking with the upper end of the stud.

Universal stud driver: 1 - body, 2 - spring, 3 - shutter, 4 - pin, 5 - conical thrust bearing, 6 - insert

When the key is reversed, the finger moves from the horizontal part of the groove to the vertical one and moves the thrust heel away from the end - the key is easily screwed from the stud installed in the part.

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