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2 079 606

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IPC

(21) (22)

Application

95117497/03, 1995-10-13

(22)

Actual filing date

1995-10-13

(45)

Published

1997-05-20

(72)

Inventor

Agrafenichev N.V.Dmitrevich Ju.V.Konev V.E.Mushkaterov A.V.Seropjan G.V.Tumanov V.L.Shmigel'Skij G.L.

(73)

Holder

Dmitrevich Jurij VladimirovichKonev Viktor EgorovichMushkaterov Aleksej Vladimirovich

HYDRAULICALLY OPERATED HAMMER Russian patent published in 1997 - IPC

Abstract RU 2079606 C1

FIELD: construction, manufacture of building materials, mining; applicable, mainly, in loosening of hard rocks and frozen grounds, breakage of oversizes and other similar jobs. SUBSTANCE: hydraulically operated hammer includes casing embracing the body. The latter is assembled of several parts tightened in axial direction by studs. Body accommodates block head and changeable working tool. Casing internal surface upper part has projections in which screw jacks are mounted for their contacting the body upper part. EFFECT: higher efficiency. 1 dwg

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RU 2 079 606 C1

Authors

Agrafenichev N.V.

Dmitrevich Ju.V.

Konev V.E.

Mushkaterov A.V.

Seropjan G.V.

Tumanov V.L.

Shmigel'Skij G.L.

Dates

1997-05-20—Published

1995-10-13—Filed