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US 4,875,817 AGranted
Sealed weld nut
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsHiroyuki Suzumura, Yuji Okamoto, Isao Suezaki
Life of this patent
Estimating the term…
Abstract
A sealed weld nut comprises a nut body having an axial through bore, a threaded portion provided on an inner periphery of the bore, weld portions to be welded provided on one axial end of the nut body, and a separate removable sealing member provided on the other axial end of the nut body for preventing a foreign matter from passing into the bore through the other axial end of the nut body.
Claims2
A sealed weld nut comprising:
- a nut body having an axial through-bore along a center axis thereof, said nut body having first and second axial ends, and said through-bore having an inner wall surface;
- a threaded portion provided on at least a part of said inner wall surface;
- weld portions provided at the first axial end of said nut body;
- a plurality of projections provided at the second axial end of said nut body and spaced around said through-bore;
- and
- a separate plate-like sealing member provided at said second axial end of said nut body for preventing foreign material from passing into said through-bore at said second axial end, said plate-like member having a movable portion capable of covering and uncovering said through-bore so as to close and open said through-bore, a stationary portion, and a flexible portion connecting said movable and stationary portions, said stationary portion being fixed between projections at said second axial end.
3 more elements
Dependencies are inferred from the claim text.