Joint boot
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United States of America Patent
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Mar 25, 2008
Grant Date -
Feb 1, 2007
app pub date -
Nov 24, 2004
filing date -
Nov 24, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a joint boot to be mounted on an outer housing having a non-circular outer contour, intended to axial positioning without impairing the mountability to the outer housing. The joint boot (10) comprises a boot body (18) including a large-diameter attachment part (12), a small-diameter attachment part (14) and a bellows part (16), and a bushing (20) interposed between the outer housing and the large-diameter attachment part. The bushing assumes on its outer peripheral surface a circular form in cross-section and is provided, on its inner peripheral part to be externally fitted and fixed to the outer housing, with plural lobe portions (26) in a circumferentially distributed manner. On the inner peripheral surface of the bushing, protrusions (56) mating with circumferentially extending grooves (54) formed on the outer peripheral surface of the outer casing are provided in a position deviating from an external fitting area (Q) by the large-diameter attachment part in the axial direction of the bushing.
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