JP2004211622A5 - - Google Patents

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Publication number
JP2004211622A5
JP2004211622A5 JP2003000821A JP2003000821A JP2004211622A5 JP 2004211622 A5 JP2004211622 A5 JP 2004211622A5 JP 2003000821 A JP2003000821 A JP 2003000821A JP 2003000821 A JP2003000821 A JP 2003000821A JP 2004211622 A5 JP2004211622 A5 JP 2004211622A5
Authority
JP
Japan
Prior art keywords
pair
piston
ribs
pin boss
connecting rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2003000821A
Other languages
Japanese (ja)
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JP2004211622A (en
JP4046613B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2003000821A priority Critical patent/JP4046613B2/en
Priority claimed from JP2003000821A external-priority patent/JP4046613B2/en
Publication of JP2004211622A publication Critical patent/JP2004211622A/en
Publication of JP2004211622A5 publication Critical patent/JP2004211622A5/ja
Application granted granted Critical
Publication of JP4046613B2 publication Critical patent/JP4046613B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Claims (2)

シリンダ内に嵌合されるピストンのヘッド部の下面部に一対のピンボス部が一体形成され、該一対のピンボス部間にコンロッドの小端部が挿入され、前記ピンボス部および前記小端部にピストンピンが挿入されて、前記コンロッドが連結されるピストンにおいて、
各ピンボス部外方端部からリング溝下部フランジ部間に亘り一対の略平行なリブが配設され、該リブ間にV字形状の窪み部が設けられたことを特徴とするピストン。A pair of pin boss portions are integrally formed on the lower surface portion of the head portion of the piston fitted in the cylinder, and a small end portion of a connecting rod is inserted between the pair of pin boss portions. In the piston into which the pin is inserted and the connecting rod is connected,
A piston characterized in that a pair of substantially parallel ribs is disposed between the outer end of each pin boss part and the ring groove lower flange part, and a V-shaped depression is provided between the ribs. シリンダ内に嵌合されるピストンのヘッド部の下面部に一対のピンボス部が一体形成され、該一対のピンボス部間にコンロッドの小端部が挿入され、前記ピンボス部および前記小端部にピストンピンが挿入されて、前記コンロッドが連結されるピストンにおいて、
各ピンボス部外方端部とリング溝下部のフランジ部間に亘り一対のリブが配設され、該リブ間に窪み部が設けられると共に、該リブ間の窪み部を挟んでリブ越しに一対の窪み部が設けられ、該一対の窪み部は前記リブ間の窪み部よりもその深さが深くされていることを特徴とするピストン。A pair of pin boss portions are integrally formed on the lower surface portion of the head portion of the piston fitted in the cylinder, and a small end portion of a connecting rod is inserted between the pair of pin boss portions. In the piston into which the pin is inserted and the connecting rod is connected,
A pair of re blanking over between each pin boss portion outer lateral ends and the ring groove bottom of the flange portion is disposed, together with the part recesses between the ribs are provided, a pair in the rib over across the recess between the ribs The piston is characterized in that the pair of recesses is deeper than the recess between the ribs.
JP2003000821A 2003-01-07 2003-01-07 Forged piston Expired - Lifetime JP4046613B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003000821A JP4046613B2 (en) 2003-01-07 2003-01-07 Forged piston

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003000821A JP4046613B2 (en) 2003-01-07 2003-01-07 Forged piston

Publications (3)

Publication Number Publication Date
JP2004211622A JP2004211622A (en) 2004-07-29
JP2004211622A5 true JP2004211622A5 (en) 2005-06-30
JP4046613B2 JP4046613B2 (en) 2008-02-13

Family

ID=32819000

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003000821A Expired - Lifetime JP4046613B2 (en) 2003-01-07 2003-01-07 Forged piston

Country Status (1)

Country Link
JP (1) JP4046613B2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005060212A1 (en) * 2005-01-19 2006-07-27 Siemag Gmbh Device for transporting metal strips on pallets
JP2006258013A (en) 2005-03-18 2006-09-28 Toyota Motor Corp Piston for internal combustion engine, and internal combustion engine having the same
DE102007020447A1 (en) * 2007-04-27 2008-10-30 Mahle International Gmbh Piston for an internal combustion engine
JP5008627B2 (en) * 2008-09-17 2012-08-22 本田技研工業株式会社 Piston and manufacturing method thereof
DE102011002653A1 (en) * 2011-01-13 2012-07-19 Federal-Mogul Nürnberg GmbH Piston for use in internal combustion engines

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