Steered wheel support structure of vehicle

Patent metadata

Field	Value
Publication number	US-10427748-B2
Application number	US-201815868842-A
Country	US
Kind code	B2
Filing date	Jan 11, 2018
Priority date	Jan 12, 2017
Publication date	Oct 1, 2019
Grant date	Oct 1, 2019

Abstract

A steered wheel support structure of a vehicle, includes a knuckle member which supports an axle of a steered wheel and a support member which is coupled to a vehicle body and supports the knuckle member from a first side in a vehicle width direction in such a manner that the knuckle member is angularly displaceable around a steering axis line, the knuckle member includes: an axle support section which supports the axle; and two supported sections disposed on both sides in the upward and downward direction, of at least a portion of the axle support section, the two supported sections facing each other and being apart from each other in the upward and downward direction, and the two supported sections are supported by the support member in such a manner that the two supported sections are angularly displaceable around the steering axis line relative to the support member.

First claim

The invention claimed is:

1. A steered wheel support structure of a vehicle, the steered wheel support structure comprising:
a knuckle member which supports an axle of a steered wheel in such a manner that the axle is rotatable around an axle line; and
a support member which is coupled to a vehicle body and supports the knuckle member from a first side in a vehicle width direction in such a manner that the knuckle member is angularly displaceable around a steering axis line extending in an upward and downward direction,
wherein the knuckle member includes:
an axle support section which supports the axle; and
two supported sections which are disposed on both sides in the upward and downward direction, of at least a portion of the axle support section, the two supported sections facing each other and being spaced apart from each other in the upward and downward direction, and
wherein the two supported sections are supported by the support member in such a manner that the two supported sections are angularly displaceable around the steering axis line, relative to the support member.

2. The steered wheel support structure of the vehicle, according to claim 1 ,
wherein the two supported sections include an upper supported section and a lower supported section,
wherein the upper supported section extends upward from the axle support section along the steering axis line,
wherein the lower supported section extends downward from the axle support section along the steering axis line, and
wherein the upper supported section and the lower supported section are supported by the support member by use of bearings, respectively, which are placed coaxially with the steering axis line in such a manner that the upper supported section and the lower supported section are angularly displaceable around the steering axis line.

3. The steered wheel support structure of the vehicle, according to claim 2 ,
wherein at least one of the two supported sections is removably mounted on the axle support section.

4. The steered wheel support structure of the vehicle, according to claim 3 ,
wherein the knuckle member includes at least one insertion section into which at least one of the two supported sections is insertable in a steering axis line direction.

5. The steered wheel support structure of the vehicle, according to claim 3 ,
wherein a displacement inhibiting element is attached on the knuckle member, from a second side in the vehicle width direction, to inhibit at least one of the two supported sections mounted on the axle support section from being displaced with respect to the axle support section.

6. The steered wheel support structure of the vehicle, according to claim 1 , further comprising:
a rotary component coupling member including an axle coupling section coupled to the axle, and a rotary component coupling section to which a rotary component rotatable around the axle line together with the axle is coupled, the rotary component coupling section being connected to the axle coupling section,
wherein the two supported sections are disposed inward in a radial direction of the axle, relative to the rotary component coupling member and the rotary component.

7. The steered wheel support structure of the vehicle, according to claim 6 ,
wherein the support member supports the knuckle member in a cantilever manner from the first side in the vehicle width direction,
wherein the rotary component coupling member includes a steered wheel coupling section to which the steered wheel is coupled, and
wherein the steered wheel is removably coupled to the steered wheel coupling section, from a second side in the vehicle width direction.

8. The steered wheel support structure of the vehicle, according to claim 1 ,
wherein the knuckle member includes an angular displacement member coupling section to which an angular displacement member is coupled, the angular displacement member being angularly displaceable around the steering axis line together with the knuckle member, and
wherein the angular displacement member coupling section extends from the axle support section to the first side in the vehicle width direction.

Assignees

• Kawasaki Heavy Ind Ltd

Inventors

• Ishii Hiroshi
• Kogirima Masato

Classifications

• B62D7/18

  Steering knuckles; King pins · CPC title

• B62K25/16

  for front wheel · CPC title

• B62K25/04

  for mounting axles resiliently on cycle frame or fork (for sidecars, forecars or the like B62K27/06) · CPC title

• B60G2206/50

  Constructional features of wheel supports or knuckles, e.g. steering knuckles, spindle attachments · CPC title

• B62D7/20

  Links, e.g. track rods (means for adjusting camber, castor, or toe-in B62D17/00) · CPC title