Anti-vibration device
AssigneeToyo Tire Corporation
InventorYasuhiro Kuroda
Life of this patent
Estimating the term…
Abstract
An anti-vibration device is provided to enable improvement in a static spring constant of a bush in an axially perpendicular direction while suppressing an increase in a volume of the bush. A lower seat is formed to a position downward relative to a through hole on an axial end surface of a bush. The lower seat axially outwardly inclines downward to the outer circumferential surface of the bush. This lower seat enables suppression of an increase in a volume of the bush and improvement of a static spring constant of the bush relative to downward compressive deformation.
Claims6
An anti-vibration device that is formed of an elastic body to be compressed in an axially perpendicular direction between an outer circumferential surface of an axial first component and an inner circumferential surface of a cylindrical second component and that has a bush formed in a cylindrical shape surrounding an axis, the anti-vibration device comprising:
- a through hole forming an inner circumferential surface of the bush into which the first component is insertable;
- and
- a first seat formed to a position in a first direction of axially perpendicular directions relative to the through hole in at least one axial end surface of the bush,
- wherein the first seat is axially outwardly inclined up to an outer circumferential surface of the bush, the outer circumferential surface being contactable with the second component, toward the first direction, and
- wherein the first seat has a shape in a cross section perpendicular to a third direction, the third direction being perpendicular to the axial direction and the first direction, the shape of the first seat in the cross section being the same across an entire length in the third direction.
An anti-vibration device that is formed of an elastic body to be compressed in an axially perpendicular direction between an outer circumferential surface of an axial first component and an inner circumferential surface of a cylindrical second component and that has a bush formed in a cylindrical shape surrounding an axis, the anti-vibration device comprising:
- a through hole forming an inner circumferential surface of the bush into which the first component is insertable;
- and
- a first seat formed to a position in a first direction of axially perpendicular directions relative to the through hole in at least one axial end surface of the bush,
- wherein the first seat is axially outwardly inclined up to an outer circumferential surface of the bush, the outer circumferential surface being contactable with the second component, toward the first direction,
- wherein the axial end surface of the bush has a flat surface perpendicular to the axis, and
- wherein a boundary between the flat surface and the first seat is a straight line perpendicular to the first direction when axially viewed and is a tangent of an inner circumferential edge of the through hole.
An anti-vibration device that is formed of an elastic body to be compressed in an axially perpendicular direction between an outer circumferential surface of an axial first component and an inner circumferential surface of a cylindrical second component and that has a bush formed in a cylindrical shape surrounding an axis, the anti-vibration device comprising:
- a through hole forming an inner circumferential surface of the bush into which the first component is insertable;
- and
- a first seat formed to a position in a first direction of axially perpendicular directions relative to the through hole in at least one axial end surface of the bush,
- wherein the first seat is axially outwardly inclined up to an outer circumferential surface of the bush, the outer circumferential surface being contactable with the second component, toward the first direction, and
- wherein the second component is in contact with the outer circumferential surface of the bush without adhesion.
Dependencies are inferred from the claim text.