FASTENER
    2.
    发明专利
    FASTENER 失效

    公开(公告)号:JPH11257320A

    公开(公告)日:1999-09-21

    申请号:JP35496398

    申请日:1998-12-14

    Inventor: BYRNE VINCENT M

    Abstract: PROBLEM TO BE SOLVED: To provide a faster matched to a plurality of driving means. SOLUTION: This faster has a shank wherein a screw is carved around its circumference and a head connected to one end of the shank, and the head has on its surface a recessed part which can be matched with one of at least two kinds of driving means. This recessed part has an (n) surface part 232 engaged with the shaft of the (n) surface of a shaft type driver in the vicinity of the surface, and a part 234 formed at one end of the part of the surface of the (n) surface separated from the surface and having the (n) number of slots engaged with the end part of the (n) number of blades of blade type driving means.

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