Piston and disc brake using same
A piston is provided with: a cylindrical wall section (52) having an opening (51) at one axial end thereof; and a bottom section (53) closing the other axial end of the wall section (52). The bottom section (53) has: an annular first region (71) provided on the inside radially of the wall section (5...
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Main Authors | , |
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Format | Patent |
Language | Chinese English |
Published |
16.02.2018
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Subjects | |
Online Access | Get full text |
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Summary: | A piston is provided with: a cylindrical wall section (52) having an opening (51) at one axial end thereof; and a bottom section (53) closing the other axial end of the wall section (52). The bottom section (53) has: an annular first region (71) provided on the inside radially of the wall section (52) so as to be continuous with the wall section (52); and a second region (72) provided on the inside radially of the first region (71) and formed so as to be recessed axially. The second region (72) has a changing-thickness region (103) having an axial thickness reduced toward the inside radially.
本发明的活塞具有:在轴线方向端具有开口部(51)的筒状的壁部(52)、以及将壁部(52)的轴线方向另端堵塞的底部(53),底部(53)具有:与壁部(52)相连地设置在壁部(52)的径向内侧的环状的第区域(71)、以及设置在第区域(71)的径向内侧并在轴线方向上形成为凹状的第二区域(72),第二区域(72)具有越到径向内侧轴线方向厚度越薄的厚度变化区域(103)。 |
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Bibliography: | Application Number: CN201680035409 |