JPH0241717U

JPH0241717U -

Info

Publication number: JPH0241717U
Application number: JP12045888U
Authority: JP
Priority date: 1988-09-16
Filing date: 1988-09-16
Publication date: 1990-03-22

Description

[Brief explanation of drawings]

第１図は本実施例によるクランクベアリングの
アツパーメタルの断面図、第２図は第１図のアツ
パーメタルを装着したクランクベアリングの部分
図、第３図は従来のクランクベアリングのアツパ
ーメタルの正面図、第４図は第１図を下から見た
図、第５図は第４図の―線断面図であり、第
６図はクランクベアリングのロアーメタルの正面
図、第７図は第６図を下から見た図である。１，１_０…クランクベアリングのアツパーメタ
ル、２…ベアリング面、３…溝、６…クランクベ
アリングのロアーメタル、ｄ…凹部深さ。 Figure 1 is a sectional view of the upper metal of the crank bearing according to this embodiment, Figure 2 is a partial view of the crank bearing with the upper metal of Figure 1 installed, Figure 3 is a front view of the upper metal of the conventional crank bearing, and Figure 4 is a front view of the upper metal of the conventional crank bearing. Figure 1 is a view of Figure 1 viewed from below, Figure 5 is a cross-sectional view of Figure 4 taken along the - line, Figure 6 is a front view of the lower metal of the crank bearing, and Figure 7 is Figure 6 viewed from below. This is a diagram. 1, 1 ₀ ... Upper metal of crank bearing, 2... Bearing surface, 3... Groove, 6... Lower metal of crank bearing, d... Depth of recess.

Claims

[Scope of utility model registration request]

A crank bearing in which the surface of an engine crank bearing, at least on the side closer to the piston, is formed into a sloped shape that is slightly concave in the center from both ends.