Washer-equipped screw

Patent metadata

Field	Value
Publication number	US-10578145-B2
Application number	US-201715685380-A
Country	US
Kind code	B2
Filing date	Aug 24, 2017
Priority date	Aug 24, 2016
Publication date	Mar 3, 2020
Grant date	Mar 3, 2020

Abstract

A washer-equipped screw is provided with a screw body, a metal washer, and a rubber washer. The screw body includes a cylindrical portion between a shaft portion on which a screw groove is formed and a head portion. A hole in the metal washer is inserted through the cylindrical portion so as to be adjacent to the head portion. A hole in the rubber washer is inserted through the cylindrical portion and positioned on a shaft portion side of the metal washer. A seat surface of the head portion has an inclined surface inclined away from the metal washer toward an outer periphery thereof.

First claim

What is claimed is:

1. A washer-equipped screw comprising:
a screw body having a cylindrical portion disposed between a shaft portion on which a screw groove is formed and ahead portion;
a metal washer of which a hole is inserted through the cylindrical portion so as to be adjacent to the head portion, the metal washer being flat; and
a rubber washer of which a hole is inserted through the cylindrical portion and positioned on a shaft portion side of the metal washer, wherein:
a seat surface of the head portion has an inclined surface inclined away from the metal washer toward an outer radial periphery of the seat surface.

2. A washer-equipped screw according to claim 1 , wherein:
the seat surface includes a flat surface orthogonal to an axial line of the screw body and the inclined surface extending toward an outer peripheral side of the flat surface.

3. A washer-equipped screw according to claim 2 , wherein:
the seat surface is a flange surface of a flange disposed on the head portion on the shaft portion side.

4. A washer-equipped screw according to claim 1 , wherein the inclined surface has an inclination angle of between 5 to 10 degrees.

Assignees

• Denso Corp

Inventors

• Fujihara Takeshi
• Iguchi Satoshi
• Takamatsu Keizo
• Uchiyama Hidetoshi
• Okuda Yuya
• Iwata Shuichi
• Asada Jun

Classifications

• H05K7/142

  Spacers not being card guides · CPC title

• F16B43/00 Primary

  Washers or equivalent devices; Other devices for supporting bolt-heads or nuts (circlips F16B21/18; {for indicating tensile load F16B31/02; forming a whole with the bolt or nut F16B33/00; locking bolts or nuts by means of a fixed plate or ring, or washer-like resilient plates F16B39/10, F16B39/24}) · CPC title

• F16B33/004 Primary

  Sealing; Insulation (by means of washers F16B43/001) · CPC title

• B60Y2400/61

  Arrangements of controllers for electric machines, e.g. inverters · CPC title

• F16B5/0241

  with the possibility for the connection to absorb deformation, e.g. thermal or vibrational · CPC title