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    TOOL AND TOOL HOLDER FOR A DREDGER
    1.
    发明公开
    TOOL AND TOOL HOLDER FOR A DREDGER 审中-公开
    工具和工具手柄，用于疏浚

    公开(公告)号：EP2855782A1

    公开(公告)日：2015-04-08

    申请号：EP13798067.8

    申请日：2013-05-28

    申请人： Combi Wear Parts AB

    发明人： QUARFORDT, Per ,  GABELA, Adnan ,  BAGHRAMIAN, Paull ,  WEMPE, Cornelis ,  WIJMA, Klaas

    IPC分类号： E02F3/92 ,  E02F3/24 ,  E02F3/96 ,  E02F9/28

    CPC分类号： E02F9/2808 ,  E02F9/2825 ,  E02F9/2866 ,  Y10T29/49826

    摘要： The invention relates to a cutter head for a dredger, in which the cutter head is constructed with at least one blade and at least one adapter chamber is arranged in the blade for assembly of a tool holder in the blade, in which the adapter chamber is a cavity- configured in the blade and having an opening and an assembly recess. The invention is further constituted by a blade for a cutter head. The invention is further constituted by a tool holder for assembly on a cutter head for a dredger. The invention is further constituted by a tool arrangement for a dredger. The invention is further constituted by a method for assembly of a tool older in a cutter head for a dredger. The invention is further constituted by a production method for a blade for a cutter head for a dredger.

    TOOTH SYSTEM
    3.
    发明公开
    TOOTH SYSTEM 有权
    对于推土机的牙科系统

    公开(公告)号：EP1644588A1

    公开(公告)日：2006-04-12

    申请号：EP04749111.3

    申请日：2004-07-02

    申请人： Combi Wear Parts AB ,  Vosta LMG B.V.

    发明人： GABELA, Adnan ,  QUARFORDT, Per ,  WEMPE, Cornelis ,  WIJMA, Klaas

    IPC分类号： E02F9/28

    CPC分类号： E02F9/2825 ,  E02F9/2858 ,  E02F9/2866

    摘要： The present invention relates to a tooth system (1) for a tool (2) for earth moving machinery (3), which tooth system is of the type embodying a holder (4) located on the tool and a front tooth portion (5) that is detachably arranged on and in relation to the holder, which tooth portion is in the form of a replaceable wear and/or replacement part designed for the actual earth moving (W) and embodies a rear leg and the holder embodies a cavity (14) designed to receive the leg in interaction with the tooth portion and thereby achieve a unified joint (A, B, C, D) for assimilation of occurring loads (Fs, Fc, Fp) via a predetermined connection geometry embodying special, opposite, mutually interacting contact surfaces (15) and, at least initially, clearance surfaces (16) that are arranged along the tooth portion and holder. Thus, in accordance with the present invention one has achieved an improved tooth system distinguished by the tooth leg and holder cavity, along at least a front part of said joint (A, B, C, D), to have a multi-armed, preferably cruciform, cross section comprising at least four projection arms (31, 32, 33, 34) and at least four grooves (24, 28, 29, 30) each that interact with each projecting arm, respectively, which projection arms comprise an, essentially, vertically arranged, upper arm (31), an, essentially vertically arranged, lower heel (34) and two, essentially horizontally and laterally arranged, wing portions (32, 33), wherein a tensioning device (41) is arranged in the rear part (19) of the cavity in order to achieve adjustable tensioning that tightens the tooth portion in relation to the holder, essentially axially along the axial symmetry axis Y of the cavity.