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2 172 436

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IPC

(21) (22)

Application

99126677/06, 1999-12-20

(24)

Start date

1999-12-20

(22)

Actual filing date

1999-12-20

(45)

Published

2001-08-20

(72)

Inventor

Krivoshein E.N.Apasov I.V.Poskotinov O.V.

(73)

Holder

Krivoshein Evgenij NikolaevichApasov Igor' VladimirovichPoskotinov Oleg Vasil'Evich

HYDRAULIC DRIVE FOR HAND TOOLS Russian patent published in 2001 - IPC

Abstract RU 2172436 C1

FIELD: repair, mounting erection and restoring jobs; high-pressure hand tools. SUBSTANCE: proposed hydraulic drive has housing, plunger pump with hand drive, power hydraulic cylinder and hermetically sealed container for working liquid. Novelty is that container is provided with partition with overflow holes and suction line made in form of tube one end of which is installed in central hole of partition and other end is connected with suction channel of plunger pump. EFFECT: improved reliability of tool. 1 dwg

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RU 2 172 436 C1

Authors

Krivoshein E.N.

Apasov I.V.

Poskotinov O.V.

Dates

2001-08-20—Published

1999-12-20—Filed