Pierce nut
AssigneeAoyama Seisakusho Co., Ltd.
InventorsHidenori Ikami, Takashi Asakura
Life of this patent
Estimating the term…
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.
Claims4
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, and in that when the pierce nut is mounted on a mounting member, the mounting member projects into the recess 5.
Dependencies are inferred from the claim text.