Fluid bearing device

Details Fluid bearing device Fluid bearing device

2004-09-01

2009-12-01

Hannon, Thomas R (Department: 3656)

Bearings

Rotary bearing

Fluid bearing

C384S100000

Reexamination Certificate

active

07625124

ABSTRACT:
While applying an ultrasonic vibration to a housing7and/or a bearing sleeve8, the outer peripheral surface8dof the bearing sleeve8is press-fitted into the inner peripheral surface7cof the housing7with a predetermined interference, and is welded thereto. During the press-fitting, the region of the inner peripheral surface7cof the housing7coming into contact with the bearing sleeve8is melted or softened by the action of the ultrasonic vibration, so that, as compared with a case in which only press-fitting is conducted, the requisite press-fitting force at the time of press-fitting can be substantially reduced.

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Chinese Office Action dated Jun. 5, 2009 for Chinese Application No. 200710194373.7 with English translation.

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