Towing hook attachment structure

Patent metadata

Field	Value
Publication number	US-10315475-B2
Application number	US-201715676096-A
Country	US
Kind code	B2
Filing date	Aug 14, 2017
Priority date	Sep 15, 2016
Publication date	Jun 11, 2019
Grant date	Jun 11, 2019

Abstract

A towing hook attachment structure includes: a towing hook; a bumper reinforcement having: a first wall extending in a vehicle width direction, a wall surface of the first wall facing the vehicle cabin; and an second wall and a third wall respectively extending to the vehicle cabin side from an upper end and a lower end of the first wall; and a nut member fastening the towing hook to the bumper reinforcement. The first, second and third walls are respectively provided with a first, second and third holes. The nut member is fixed to the bumper reinforcement while extending in a vehicle height direction and being inserted in the second hole and the third hole. A tip of the towing hook is inserted in the bumper reinforcement through the through hole and is fastened to the nut member.

First claim

What is claimed is:

1. A towing hook attachment structure comprising:
a towing hook of a vehicle;
a bumper reinforcement having: a first wall that is disposed in front of or behind a vehicle cabin and extends in a vehicle width direction, a wall surface of the first wall facing the vehicle cabin; and a second wall and a third wall that respectively extend to the vehicle cabin side from an upper end and a lower end of the first wall; and
a nut member that fastens the towing hook to the bumper reinforcement, wherein
the first wall, the second wall, and the third wall are respectively provided with a first through hole, a second through hole, and a third through hole,
the nut member is fixed to the bumper reinforcement while extending in a vehicle height direction and being inserted in the second through hole and the third through hole, and
a tip of the towing hook is inserted in the bumper reinforcement through the first through hole and is fastened to the nut member.

2. The towing hook attachment structure according to claim 1 , wherein
the third through hole is larger than the second through hole, and
the nut member is inserted in the second through hole from a position above the second wall and is fixed to the bumper reinforcement in a state where a tip of the nut member protrudes from the third through hole.

3. The towing hook attachment structure according to claim 1 , wherein
an upper end and a lower end of the nut member are respectively welded to the second wall and the third wall.

4. The towing hook attachment structure according to claim 1 , wherein
the nut member is arranged at an end of the bumper reinforcement on the vehicle cabin side.

5. The towing hook attachment structure according to claim 4 , wherein
the second through hole and the third through hole are arranged on the bumper reinforcement at positions closer to the vehicle cabin than a central section of the bumper reinforcement in a vehicle longitudinal direction is.

6. The towing hook attachment structure according to claim 1 , wherein
the bumper reinforcement has a tubular shape.

Assignees

• Aisin Seiki Kabushisiki Kaisha
• Aisin Keikinzoku Kk
• Aisin Seiki

Inventors

• Yatsunami Hiroyuki
• Kita Kiyoichi
• Shobo Jun
• Kanatani Yohei

Classifications

• B60R19/023

  Details · CPC title

• B62D25/209

  Arrangements for the mounting of vehicle hitches (vehicle connections in general B60D) · CPC title

• B60R19/02

  Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects ({B60R19/56 takes precedence; initiating brake action by contact of bumper with an external object B60T7/22; for rail vehicles B61F19/04; safety equipment for cycles B62J27/00;} integral with waterborne vessels or specially adapted therefor B63B59/02) · CPC title

• B60D1/56

  securing to the vehicle bumper · CPC title

• B60R19/48

  combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds · CPC title