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2 072 961

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C1

(51)

IPC

(21) (22)

Application

93028592/11, 1993-05-26

(22)

Actual filing date

1993-05-26

(45)

Published

1997-02-10

(72)

Inventor

Andreev Eh.V.Shamarin A.V.Otverchenko A.A.Chepik V.P.

(73)

Holder

Otverchenko Anatolij Alekseevich

MOVABLE JIB CRANE Russian patent published in 1997 - IPC

Abstract RU 2072961 C1

FIELD: materials handling; cranes. SUBSTANCE: movable jib crane has support beam, box-shaped or tubular boom with rolling paths hinge connected with support beam and struts hinge- connected by detachable joints with beam by one end and with side surfaces of boom by other end. Slotted cups and detachable plugs are provided on side surfaces of beam and boom. Struts are furnished with tail pieces with spherical heads and necks installed at both sides of struts. Heads and necks follow in section the inner surface of cups and slots. One of tail pieces has outer thread and locknut corresponding to inner thread of strut. EFFECT: enlarged operating capabilities. 4 dwg

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RU 2 072 961 C1

Authors

Andreev Eh.V.

Shamarin A.V.

Otverchenko A.A.

Chepik V.P.

Dates

1997-02-10—Published

1993-05-26—Filed

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