Title:
液圧装置とそれを使用したブレーキ圧制御装置
Document Type and Number:
Japanese Patent JP5402269
Kind Code:
B2
Abstract:
An open port is provided on an inner peripheral surface of the cylinder bore of the reservoir apparatus and the port is exposed to the exterior of the reservoir apparatus. A hollow portion is formed concentrically with the port on a reservoir body. An annular thin portion is formed between the inner peripheral surface of the cylinder bore and the hollow portion surrounding the port in a radial direction. The thin portion is outwardly deflected and deformed by being pushed outwardly in a radial direction centering on the port in a range narrower than the inner diameter of the hollow portion. Thus, the opening of the port is outwardly sunk from the inner peripheral surface of the cylinder bore thereby to form a curved surface at a root portion of the thin portion on the inner peripheral surface of the cylinder bore.
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Inventors:
Fumitoshi Koyama
Application Number:
JP2009138750A
Publication Date:
January 29, 2014
Filing Date:
June 10, 2009
Export Citation:
Assignee:
アドヴィックス, Inc.
International Classes:
F15B1/24; B60T8/34; B60T17/06
Attorney, Agent or Firm:
Kobayashi 脩