Title:
コンロッドの製造方法及びコンロッド
Document Type and Number:
Japanese Patent JP6958340
Kind Code:
B2
Abstract:
A connecting rod manufacturing method includes: forming, in an inner circumferential surface of a through-hole (14) formed at an end of the connecting rod, a plurality of first holes (51) as fracture start portions (50, 60) such that the first holes are arrayed in an axial direction of the through-hole (14) and extend in a first direction; forming a plurality of second holes (55) as the fracture start portions (50, 60), each between adjacent ones of the first holes (51), such that the second holes are arrayed in the axial direction and extend in a second direction different from the first direction relative to the first holes (51); and fracture-splitting the end of the connecting rod into a rod part (20) and a cap part (30) using the fracture start portions (50, 60) as start points.
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Inventors:
Kawazoe Uaki
Application Number:
JP2017248195A
Publication Date:
November 02, 2021
Filing Date:
December 25, 2017
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F16C7/02; F16C9/04
Domestic Patent References:
JP2000110825A | ||||
JP10128481A | ||||
JP2011000692A | ||||
JP2015516888A |
Foreign References:
DE102004026297A1 | ||||
DE19534360A1 |
Attorney, Agent or Firm:
Shuhei Katayama
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