JPS59125649U

JPS59125649U - Piston with thrust washer

Info

Publication number: JPS59125649U
Application number: JP1905683U
Authority: JP
Inventors: 清岡　克美; 敦原田
Original assignee: 小松ゼノア株式会社
Priority date: 1983-02-14
Filing date: 1983-02-14
Publication date: 1984-08-24

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例の側断面説明図、第２図は同
要部の斜視説明図、第３図は従来の一実施例の要部を示
す側断面説明図である。−（図面の主要な部分を表わす
打号の説明）、１・・・エンジン、５・・・ピストン、
ト・・ボス部、９・・・ピストンピン、１３・・・コネ
クティングロッド、１５・・・スラストワッシャ。補正　昭５８．　６．　６実用新案登録請求の範囲を次のように補正する。Ｏ実用新案登録請求の範囲ピストン５とコネクティングロッド１３とを連結するピ
ストンピン９の外周に、表面に硬化処理層を設けたアル
ミ材よりなる円筒または環状のスラストワッシャ１５を
嵌合して設け、前記スラストワッシャ１５を、前記ピス
トンピン９の両端を支持するボス部７．７と前記コネク
ティングロッド１３との間に介在して設けたことを特徴
とするスラストワッシャを備えたピストン。FIG. 1 is a side sectional explanatory view of an embodiment of the present invention, FIG. 2 is a perspective explanatory view of the essential parts, and FIG. 3 is a side sectional explanatory view showing the essential parts of a conventional embodiment. - (Explanation of the symbols representing the main parts of the drawing), 1...Engine, 5...Piston,
G... Boss part, 9... Piston pin, 13... Connecting rod, 15... Thrust washer. Amended 1984. 6. 6. The scope of claims for utility model registration shall be amended as follows. O Utility Model Registration Claims A cylindrical or annular thrust washer 15 made of aluminum material with a hardened layer on the surface is fitted onto the outer periphery of the piston pin 9 that connects the piston 5 and the connecting rod 13, A piston equipped with a thrust washer, characterized in that the thrust washer 15 is interposed between the boss portion 7.7 supporting both ends of the piston pin 9 and the connecting rod 13.

Claims

[Scope of utility model registration request]

A cylindrical or annular thrust washer 15 made of aluminum whose surface is provided with a hardened layer is fitted onto the outer periphery of the piston pin 9 that connects the piston 5 and the connecting rod 13. A piston equipped with a histothrust washer, characterized in that it is interposed between a boss portion 7.7 supporting both ends of a piston pin 9 and the connecting rod 13.