Vibration-isolating bushing

Details Vibration-isolating bushing Vibration-isolating bushing

2005-05-31

2005-05-31

Siconolfi, Robert A. (Department: 3683)

Spring devices

Resilient shock or vibration absorber

Including energy absorbing means or feature

C267S140300

Reexamination Certificate

active

06899323

ABSTRACT:
In a so-called bulge type of vibration-isolating bushing wherein an annular cover made of a synthetic resin is provided as a bulge portion on an outer periphery of an axially central part of an inner cylinder, such a vibration-isolating bushing that is superior in buckling strength in the axial direction of the inner cylinder, low-cost, and advantageous in environmental aspect, while preventing any displacement of the annular cover is provided. To that end, a knurling is provided on an outer periphery of an axially central part of a metal pipe constituting the inner cylinder, preferably, together with a serration on an axial edge of the metal pipe; and the annular cover is secured to the outer periphery of the metal pipe inclusive of the knurling by molding of a synthetic resin.

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