Pierce nut
AssigneeAoyama Seisakusho Co., Ltd.
InventorsHidenori Ikami, Takashi Asakura
Life of this patent
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Abstract
A pierce nut having an inner cylindrical portion 2 provided centrally on an underside of a main nut body 1 and formed at an inner surface thereof with a female thread 3, an outer cylindrical portion 4 provided on a peripheral edge of an underside of the main nut body, and a recess 5 defined by an outer surface of the inner cylindrical portion and an inner surface of the outer cylindrical portion, characterized in that at least one passage 6 is provided to communicate between the recess and an outer surface of the pierce nut to enable flowing of a fluid.
Claims3
A pierce nut having an inner cylindrical portion 2 provided centrally on an underside of a main nut body 1 and formed at an inner surface thereof with a female thread 3, an outer cylindrical portion 4 provided on a peripheral edge of an underside of the main nut body, and a recess 5 defined by an outer surface of the inner cylindrical portion and an inner surface of the outer cylindrical portion, characterized in that at least one passage 6 is provided to communicate between the recess and an outer surface of the pierce nut to enable flowing of a fluid.
Dependencies are inferred from the claim text.