AIR-OPERATED IMPACT DEVICE Russian patent published in 1996 - IPC

Abstract SU 1829255 A1

FIELD: mechanical engineering. SUBSTANCE: when a force is eliminated from hummer 18, slide valve 16 returns to the initial position under the action of spring 17. As a result supplying passageway 14 is shut off. Piston-hummer 4 returns to the initial position under the action of spring 6. In so doing the air flows to idle chamber 20 from working stroke chamber 19 through flats 5 on piston-hummer 4. Idle chamber 20 is not evacuated and, hence, the air sucking is excluded. EFFECT: enhanced reliability. 2 dwg

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SU 1 829 255 A1

Authors

Sudnishnikov V.B.

Vasil'Ev G.G.

Bakhareva V.V.

Dates

1996-11-27—Published

1989-09-20—Filed