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    Telescopic mast
    1.
    发明授权
    Telescopic mast 失效
    TELESCOPIC MAST

    公开(公告)号：US3818657A

    公开(公告)日：1974-06-25

    申请号：US27587972

    申请日：1972-07-27

    申请人： KERN AG CONRAD

    发明人： FREI E

    IPC分类号： E04H12/18 ,  E04H12/34

    CPC分类号： E04H12/182

    摘要： A telescopic mast comprising guidingly interfitted tubular elements which can be extended into a terminal position by means of a pressurized medium at which each extended tubular element lockingly engages with and is releasably retained by a holding mechanism provided at a tubular element such extended tubular element retained by such holder mechanism.

    摘要翻译： 一种伸缩式桅杆，包括可引导配合的管状元件，其可通过加压介质延伸到终端位置，在该位置处，每个延伸的管状元件与设置在管状元件处的保持机构锁定地接合并可释放地保持， 这种保持机构。

    Supporting structure
    3.
    发明授权
    Supporting structure 失效

    公开(公告)号：US3708928A

    公开(公告)日：1973-01-09

    申请号：US3708928D

    申请日：1970-04-02

    申请人： KERN AG CONRAD

    发明人： GASPERS G

    IPC分类号： E04B1/24 ,  E04B1/343 ,  E04B7/16 ,  E04B7/06

    CPC分类号： E04B1/24 ,  E04B1/34326 ,  E04B2001/2409 ,  E04B2001/2415 ,  E04B2001/2451 ,  E04B2001/2457 ,  E04B2001/2472 ,  E04B2001/2487 ,  E04B2001/2496

    摘要： A supporting structure is made up of a plurality of different structural elements or trusses each of which includes flanges which, for example, may be oriented in a vertical plane or in an oblique plane so that the individual elements may be interconnected to form a supporting structure for example, for buildings, halls, sheds or the like. The individual supporting elements include a truss adapted for use as a beam element which may be arranged in a completed structure as a cross member or beam, or as a vertical member or end support. The beam element includes two spaced apart chords which may be arranged for example, in parallel relationship and which include flanges at each end which are advantageously arranged so that the flange connecting face of the two spaced apart members are oriented at the respective ends in a common plane. The structural elements also include a truss adapted for use as a column, eave or edge element which comprises spaced chord members which are interconnected by suitable bracing struts which hold them in a defined orientation, for example, in spaced parallel relationship. The upper end of this member advantageously includes an obliquely extending or horizontally extending cross beam element which together with a lower cross beam strut member terminate in flanges in a vertical plane to facilitate the juncture of the eave member to a connecting cross beam member having flanges at the connecting end which are oriented in the same vertical plane. In addition to the eave elements and the beam elements there is also provided a base element having a lower portion which defines either a horizontal flat supporting base or a wheeled supporting structure. The base element also includes flanges oriented in a plane for connection to one or more of the beam elements placed thereabove in a completed structure. A supporting structure for a whole building or hall advantageously includes a plurality of open frames of U-shaped form constructed with the beam elements, eave elements, and base elements and which are interconnected by a bar or brace element which extends either generally in a longitudinal direction or in an oblique longitudinal orientation between adjacent open frames. The basic elements are formed so that they may be interconnected in a large variety of manners to form any desired building supporting structure.