USPatentGranted
B2

Rocker arm

Granted 18 Oct 2011 · 4 office actions

Life of the patent

3 dated events
⤢ drag to zoomJan 2009Jul 2009Jan 2010Jul 2010Jan 2011Jul 2011Prosecution
Prosecutionhover for detail · click to open

Abstract

A rocker arm includes a pair of side wall portions formed so as to face each other, an engaging portion connecting the pair of side wall portions and adapted to engage with a rocking support member arranged in an engine, and a sliding portion connecting the pair of side wall portions and being adapted to be in slidable contact with a stem front end portion of an engine valve. The engaging portion includes a board surface portion connecting the pair of side wall portions and a protruding portion protruding from the board surface portion toward the rocking support member. In the protruding portion, a spherical concave portion adapted to engage with a spherical protruding portion of the rocking support member is formed as a depression.

Claims

1 · 1 independent · depth 1
1 granted claims

Classifications

4 codes
IPC · International Patent Classification
Section F — Mechanical engineering; lighting; heating; weapons
  • F01L1/18
USPC · US Patent Classification
123/90.3974/559123/90.43

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File wrapper

Pendency
2.8 y
1,028 days filing → grant
Office actions
2
non-final + final
Responses
2
1 RCE
Examiner
Zelalem Eshete
art unit 3748 · TC 3700
Citations: 6 back · 0 forward

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Priority chain

1 priority documents
›Priority documents — 1
TypeDocumentDate
related publicationUS 20090194050 A16 Aug 2009

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Citations

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