CS217416B1 - Telescopic arm for travelling cranes - Google Patents

Description

- / - 7θεοοκοιιιηϊ3οκβη copejia τσεκ οβμοχοαηογο KpanaOfe CT £ ΙΙΌΗΜβΗΘΕΚΒ Κ3θΰΌ6Τ5ΗΕΗ Κ3θόρ9τβΗΕ6 KacasTCH TejiecKomríecKofiHOB, COCTOHUÍSH E3 OCHOBHOE ΟβΚφΠί E CTpejm pjlh ckmoxokhkx Kpa-no KpaiiHeÉ Mepe, H3-hoe BH £ 3EKHOlí ΓΗ £ ρΒΒΧΙΓίθΟΚΕΜ ΚγΤΘΜ 06ΚΙ £ ΚΤΙ CTpeJIH K Π3 Ο ΗΟΚ ΒΚ / ξΒΙί — raeMOK κ pa pa OB OB OB OB OB OB OB OB OB OB OB OB OB OB OB OB OB OB p p p p CTpejIB.

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Claims (2)

A telescopic arm for mobile cranes, consisting of one main part and at least one part of a hydraulically extended one and one extending and retracted and inserted mechanically by means of a bolt, wherein the extended part and the extended extension part are fixed to each other in an extended and retracted state by means of a fastening screw characterized by that the rod (6) is attached to the rear inner end of the main burner (1) and has a locking pawl (7) at the front end, which can be connected to the catch (9) at the rear end of the protruding extension ( 3) and further has at the front end a guide device for both the vertical and the horizontal directions that the screw clamping joint and the locking pawl (7) loaded by the spring (8) are spatially positioned so that the pawl latch (7) covers the opening (10) ) for fastening screw (5) and h open state. 1 £> OBJECT OF THE WINE Telescopic arm according to claim 1, characterized in that the control device consists of one roller (11) and an angular stone (13) forming a vertical guide and a horizontal guide (14). Recognized by the invention on the basis of the results of the expert review by the Office of Invention and Patenting, Berlin, DD 3 drawings