Back to results
US 6,279,456 B1Granted
Piston
AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsHideo Ueshima, Yukihiro Noguchi
Life of this patent
Estimating the term…
Abstract
A recessed portion 15 for removing a circlip 13 is formed in such a manner as to coincide in location with a broached groove 12 formed in a piston bore 2a for relieving the compression deformation of a piston pin 10 that would be caused by a thrust load.
Claims16
A piston, comprising:
- a piston head;
- and
- a piston pin supporting portion defining a pin bore for inserting a piston pin, an inner circumferential surface of said pin bore being formed with an axial groove, a circumferential groove for assembling therein an annular clip for preventing the removal of the piston pin inserted through said piston bore and a recessed portion provided at an outer end thereof so that the annular clip is removable by deforming the annular clip in a radially inward direction,
- wherein said recessed portion coincides in location of the radial direction of said pin bore with said axial groove.
1 more element
A piston comprising:
- a piston head;
- and
- a piston pin supporting portion defining a pin bore for inserting a piston pin, an inner circumferential surface of said pin bore being formed with an axial groove, a circumferential groove for assembling therein an annular clip for preventing the removal of the piston pin inserted through said piston bore and a recessed portion provided at an outer end thereof so that the annular clip is removable by deforming the annular clip in a radially inward direction,
- wherein said recessed portion coincides in location of the radial direction of said pin bore with said axial groove, the circumferential width of said recessed portion is smaller than that of said axial groove, the depth of said circumferential groove is deeper than that of said axial groove, and the depth of said recessed portion is deeper than that of said axial groove.
1 more element
A piston comprising:
- a piston head;
- and
- a piston pin supporting portion defining a pin bore for inserting a piston pin, an inner circumferential surface of said pin bore being formed with a circumferential groove for assembling therein an annular clip for preventing the removal of the piston pin inserted through said piston bore, a pair of axial grooves provided in a thrust side of said piston to which a thrust load is applied and an opposite side to said thrust side, respectively and a recessed portion provided at an outer end thereof in the opposite side of said thrust side so that the annular clip is removable by deforming the annular clip in a radially inward direction,
- wherein said recessed portion coincides in location of the radial direction of said pin bore with said axial groove.
1 more element
Dependencies are inferred from the claim text.