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US 11,221,036 B2Granted
Axle suspension system having a shear bolt
AssigneeArvinMeritor Technology, LLC
InventorsCraig Allen Holt, Luis Gustavo Schuck
Life of this patent
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Abstract
A shear bolt and an axle suspension system having a shear bolt. The shear bolt may have a shear head and an enlarged head. The shear head may be configured to detach from the shear bolt. The enlarged head may have first and second protrusions that may be grasped by a tool in a manner that prevents tightening of the shear bolt.
Claims20
A shear bolt comprising:
- a shank that extends along an axis;
- a shear head that extends along the axis and is spaced apart from the shank, wherein the shear head is configured to sever from the shear bolt;
- and
- an enlarged head that is axially positioned between the shank and the shear head, the enlarged bead including:
- a first surface that faces toward the shear head;
- a second surface that faces toward from the shank;
- a first protrusion that extends from the first surface toward the second surface and that has a first tool engagement surface that extends from the first surface toward the second surface;
- and
- a second protrusion that extends from the first surface toward the second surface and that has a second tool engagement surface that extends from the first surface toward the second surface, wherein the second protrusion has the same configuration as the first protrusion and the first protrusion and the second protrusion do not have mirror symmetry with respect to a first center plane that is disposed perpendicular to the axis.
6 more elements
An axle suspension system comprising:
- a trailing arm assembly;
- a hanger bracket;
- and
- a shear bolt that pivotally couples the hanger bracket to the trailing arm assembly, the shear bolt including:
- a shank that extends along an axis;
- a shear head that extends along the axis and is spaced apart from the shank, wherein the shear head is configured to sever from the shear bolt;
- and
- an enlarged head that is axially positioned between the shank and the shear head, the enlarged head including:
- a first surface that faces away from the hanger bracket;
- a second surface that faces toward the hanger bracket, wherein the second surface extends further from the axis than the first surface;
- a first protrusion that extends from the first surface toward the second surface and that has a first tool engagement surface that extends from the first surface toward the second surface;
- and
- a second protrusion that extends from the first surface toward the second surface and that has a second tool engagement surface that extends from the first surface toward the second surface and is disposed parallel to the first tool engagement surface, wherein the first protrusion and the second protrusion have rotational symmetry about the axis and do not have mirror symmetry.
10 more elements
Dependencies are inferred from the claim text.