US 2011/0133424 A1Published application

Suspension apparatus for vehicle

AssigneeToyota Jidosha Kabushiki Kaisha

InventorShinya Nishigaya

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Abstract

A suspension apparatus for a vehicle, including: a loop spring that includes a main portion having a shape obtained by forming an elongate member into a loop as seen in a wheel-axis direction in which an axis of a wheel extends and a first and a second attachment portion fixedly provided at one and the other of opposite ends of the main portion and attached to a body of the vehicle so as to be rotatable about respective rotation axes; and a carrier supported by the loop spring for holding the wheel rotatably about the axis thereof, wherein the apparatus is configured to suspend the vehicle body based on an elastic reaction force of the main portion, wherein the apparatus further comprises a plurality of carrier supporting portions each of which is fixedly provided on the loop spring at a circumference thereof, and wherein the carrier is supported by the carrier supporting portions.

Claims15

Dependent claims

A suspension apparatus for a vehicle, comprising:

a loop spring including:
(A) a main portion having a shape obtained by forming an elongate member into a loop as seen in a wheel-axis direction in which an axis of a wheel extends;
(B) a first attachment portion which is fixedly provided at one of opposite ends of the main portion and which is attached to a body of the vehicle so as to be rotatable about a first rotation axis;
and (C) a second attachment portion which is fixedly provided at the other of the opposite ends of the main portion and which is attached to the body of the vehicle so as to be rotatable about a second rotation axis different from the first rotation axis;
and
a carrier which is supported by the loop spring and which holds the wheel rotatably about the axis thereof,
wherein the suspension apparatus is configured to suspend the body of the vehicle based on an elastic reaction force of the main portion of the loop spring,
wherein the suspension apparatus further comprises a plurality of carrier supporting portions each of which is fixedly provided on the loop spring at a circumference thereof, and
wherein the carrier is supported by the plurality of carrier supporting portions.

6 more elements

Dependencies are inferred from the claim text.

Facts

Application: 13/056,870Filed 14 May 2010
Priority: JP 2009-14732822 Jun 2009
Published: 9 Jun 2011
Term ends: Not estimatedThe source records don’t support an estimate.

Classification18 codes

B60G 3/16
The arm being essentially parallel to the longitudinal axis of the vehicle: the arm itself being resilient, e.g. leaf spring
B60G 7/001
Pivoted suspension arms; Accessories thereof: suspension arms, e.g. constructional features
B60G 7/008
Pivoted suspension arms; Accessories thereof: attaching arms to unsprung part of vehicle
B60G 11/16
Having helical, spiral or coil springs only: characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle