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2 257 334

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IPC

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Application

2003136258/11, 2003-12-17

(24)

Start date

2003-12-17

(22)

Actual filing date

2003-12-17

(45)

Published

2005-07-27

(72)

Inventor

Lunden E.E.Indenbaum A.I.Merkin K.V.Leonov P.A.Tolstov V.V.Mamishev V.I.-O.

(73)

Holder

Lunden Evgenij EfimovichIndenbaum Anatolij IosifovichMerkin Karl Vul'FovichLeonov Pavel AlekseevichTolstov Viktor Vasil'EvichMamishev Vagif Imamgulu-Ogly

CONNECTION OF TOWER SECTION CHORDS OF TOWER CRANE Russian patent published in 2005 - IPC

Abstract RU 2257334 C1

FIELD: mechanical engineering.

SUBSTANCE: invention relates to connection of metal structures of load-lifting machines, namely to connections of chords of tower crane sections. Proposed connection includes lock consisting of upper and lower wedges which is fitted in holes of inner and outer lugs of section chords of tower and lock retainer. Holder of lock in idling position is secured on one of chords, and retainer is coupled with said holder and lock.

EFFECT: increased strength and reliability of connection of tower section chords, improved convenience in tower mounting, reduced labor input in mounting.

7 cl, 8 dwg

Similar patents RU2257334C1

Title	Year	Author	Number
WEDGE CONNECTION OF TOWER CRANE SECTION CHORDS	2003	Lunden E.E. Indenbaum A.I. Merkin K.V. Leonov P.A.	RU2257335C1
BUTT JOINING OF METAL STRUCTURES, PARTICULARLY, TOWER SECTIONS OF TOWER CRANES	2001	Indenbaum A.I. Lunden E.E. Merkin K.V.	RU2212374C2
TOWER CRANE BOOM	2000	Markelov B.A. Merkin K.V. Leonov P.A. Lunden E.E. Indenbaum A.I. Pashkovskij A.P.	RU2225831C2
TOWER CRANE WITH TOWER EXTENDING DEVICE AND TOWER EXTENDING DEVICE OF TOWER CRANE	2005	Indenbaum Anatolij Iosifovich Lunden Evgenij Efimovich Leonov Pavel Alekseevich Merkin Karl Vul'Fovich	RU2314249C2
TOWER CRANE BOOM	2000	Lunden E.E. Markelov B.A. Leonov P.A. Merkin K.V. Pashkovskij A.P. Indenbaum A.I.	RU2225830C2
DEVICE FOR INCREASING HEIGHT OF CRANE TOWER	2002	Indenbaum A.I. Knjazev A.S. Leonov P.A. Mamishev V.I.-O. Tolstov V.V. Merkin K.V.	RU2225348C1
TOWER CRANE AND METHOD OF ITS MOUNTING	2001	Stepanov A.I. Radzinskij V.I. Lunden E.E. Indenbaum A.I. Merkin K.V. Leonov P.A.	RU2225345C2
TOWER CRANE AND METHOD OF ITS MOUNTING AND DEMOUNTING	2001	Lunden E.E. Indenbaum A.I. Radzinskij V.I.	RU2225344C2
LOAD-LIFTING CRANE CABIN BODY	2002	Indenbaum A.I. Mamishev V.I.-O. Tolstov V.V. Lunden E.E.	RU2225342C1
METHOD OF AND DEVICE FOR MOUNTING TOWER CRANE SECTIONAL BOOM	2004	Lunden E.E. Leonov P.A. Indenbaum A.I.	RU2263623C2

RU 2 257 334 C1

Authors

Lunden E.E.

Indenbaum A.I.

Merkin K.V.

Leonov P.A.

Tolstov V.V.

Mamishev V.I.-O.

Dates

2005-07-27—Published

2003-12-17—Filed