To realize a cargo chamber with high quality in which a resin-made board is used for an interior material of a side wall.SOLUTION: In a side wall structure of a truck cargo chamber in an embodiment, an interior material, which forms an inner surface of the cargo chamber, is fixed to a frame by a lockscrew 50. The lock screw 50 comprises a head 60, and a shank 70 extending from a rear face (seating face 61) of the head 60. On the seating face 61, an inner annular region 63 provided with a first taper part 66, an intermediate annular region 64 provided with a plurality of projections 80, and an outer annular region 65 provided with a second taper part 67 are located in this order from a radial direction inner side toward a radial direction outer side. Further, surfaces of the first taper part 66 and the second taper part 67 are smooth surfaces which are gradually inclined so as to approach a top face 62 of the head 60 as going radially outward, and the plurality of projections 80 are continuously provided over the whole circumference of the intermediate annular region 64.SELECTED DRAWING: Figure 4

    【課題】側壁の内装材に樹脂製ボードが用いられた高品質の荷室を実現する。【解決手段】一実施形態の貨物自動車の荷室の側壁構造では、前記荷室の内面を形成する内装材が固定ねじ50によってフレームに固定される。その固定ねじ50は、頭部60と、頭部60の裏面(座面61)から延びる軸部70と、を備える。座面61には、第1テーパ部66が設けられた内側環状領域63と、複数の突起80が設けられた中間環状領域64と、第2テーパ部67が設けられた外側環状領域65と、が径方向内側から径方向外側に向けてこの順で配置されている。さらに、第1テーパ部66および第2テーパ部67の表面は、径方向外側に行くに連れて次第に頭部60の上面62に近接するように傾斜する平滑面であり、複数の突起80は、中間環状領域64の全周に亘って連続的に設けられている。【選択図】図4


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    Titel :

    SIDE WALL STRUCTURE OF TRUCK CARGO CHAMBER


    Weitere Titelangaben:

    貨物自動車の荷室の側壁構造


    Beteiligte:
    FUKAI ETSUKO (Autor:in) / HOJO MANABU (Autor:in)

    Erscheinungsdatum :

    2023-08-28


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile



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