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JP5955498B2 |
A power transmission part (10, 20) is made of a sintered material obtained by press molding and firing granulated powder obtained by granulating raw material powder having iron as a main component. The sintered material can thereby be in...
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JP5956104B2 |
Friction part in a lubricated medium working at contact pressures above 200 MPa and having a contact surface that is textured and subjected, before or after texturizing, to a case hardening treatment for a tribological function, wherein ...
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JP3205038U |
[Subject] changing an up-and-down motion into rotational movement, and taking timing of an up-and-down motion and rotational movement for a rotation deduction mechanism rotated to one way at a constant angle not using external power and ...
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JP2016114066A |
To provide an assembly camshaft capable of simplifying a manufacturing process and suppressing manufacturing costs by fixing a cam lobe to a shaft with a simple constitution.In an assembly cam shaft 1, the cross-section of a fixing porti...
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JP2016114067A |
To provide an assembly camshaft capable of simplifying a manufacturing process and suppressing manufacturing costs by fixing a cam lobe to a shaft with a simple constitution.A manufacturing method of a camshaft 101 by fixing a cam lobe 1...
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JP2016102559A |
To provide an assembly cam shaft capable of simplifying manufacturing step by fixing a cam lobe to a shaft by a simple configuration and further capable of restricting a manufacturing cost.An assembly cam shaft 101 of this invention is c...
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JP2016098844A |
To provide a shock absorption mechanism capable of relaxing collision between members in an image formation device.A damper 38 is fixed to an outlet point F1 of a top dead point range 34b of a cam 34 at one end 38a, and has a free end at...
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JP2016061168A |
To provide a valve lifter having a surface structure capable of reducing friction loss of an internal combustion engine, and a manufacturing method of the valve lifter.A peripheral part of a valve lifter crown surface is machined so that...
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JP2016035298A |
To provide a drive device for reducing gear rattle generated by the collision of a driven gear against a drive gear when a contact point of a contact portion passes through a boundary portion between a gradual change portion and a pocket...
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JP2016017595A |
To provide a manufacturing method of a cam shaft which can suppress the deformation of an internal peripheral face of a hollow shaft when fixing a cam to the hollow shaft by making an external surface of the hollow shaft protrusive.When ...
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JP2016017447A |
To realize a high compression force without making-up a large amount of energy.This invention relates to the best means for realizing a high compression force without supplying a large amount of energy under application of a logarithmic ...
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JP2015230043A |
To appropriately suppress misalignment between an insertion hole of a cam piece and a shaft even if a clearance is provided between an inner circumferential surface defining the insertion hole of the cam piece and an outer circumferentia...
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JP2015196194A |
To provide a cam shaft molding device which does not require a seal member.A cam shaft molding device 100 expands diameter of a part where a cam lobe 511 of a hollow shaft W is fitted loosely, and fits the cam lobe 511 loosely fitted to ...
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JP2015183674A |
To provide an assembly camshaft in which its manufacturing process is simplified to enable its manufacturing cost to be restricted by reducing an amount of deformation of the cam lobe in a radial direction in respect to a proscribed size...
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JP2015168005A |
To easily form a cam lobe by cold forging using a material SUJ2 with high hardness.A method of manufacturing a cam lobe includes processes of: performing upsetting forming of a primary cold-forged body having a circular cam base and a ca...
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JP2015163785A |
To provide an assembled camshaft 10 which can rigidly join a cam piece 14 to a shaft 12.An assembled camshaft 10 is constituted by inserting a cam piece 14 for partitioning an insertion hole by an internal peripheral face 14a into a shaf...
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JP2015163806A |
To provide an assembled camshaft which enables easy processing while limiting the supply amount of a lubrication oil.A spiral groove 12 is formed on an outer peripheral surface of a hollow shaft 10 in which an oil passage 11 is formed. T...
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JP2015163805A |
To provide an assembled camshaft 10 which can rigidly join a cam piece 14 to a shaft 12.A cam piece 14 partitions an insertion hole of a shaft 12 by internal peripheral faces 14b, 14c. The internal peripheral face 14b is formed so that a...
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JP2015148344A |
To prolong the existence of an elastohydrodynamic lubrication regime between a heavily loaded friction medium and lubricated friction parts.A friction part in a lubricated medium working at contact pressures above 200 MPa has a surface t...
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JP2015140598A |
To provide a rotation stopping-holding switching device capable of holding a sure stop of a member, and capable of switching a rotation state and a stop-holding state so as to be rotatable without resistance in rotation.A rotation stoppi...
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JP2015137598A |
To provide an assembling method of a cam shaft which can rigidly fix a cam piece and a shaft to each other while suppressing the warpage of the shaft in an axial direction.In an assembling method of a cam shaft which is constituted of a ...
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JP2015137711A |
To provide a cam shaft assembling method capable of suppressing shaft misalignment between a cam piece and a shaft.In a cam shaft assembling method, a cam piece 30 with a cam crest is loosely fitted into a hollow shaft 20 and bonded with...
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JP2015137712A |
To provide an assembling method of a cam shaft which can rigidly fix a cam piece and a shaft to each other while suppressing the warpage of the shaft in an axial direction.In an assembling method of a cam shaft which is constituted of a ...
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JP2015518546A |
The cam follower assembly (300) includes a housing (343). The assembly includes a first cam follower (307) and a second cam follower (357) for contacting the cam surface. The assembly (300) includes a first retaining element (304) attach...
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JP2015117666A |
To provide a variable valve device of an internal combustion engine which can suppress an excessive turn of a cam exceeding a target rotation phase when changing a maximum lift amount to a minimum value and a maximum value.A variable val...
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JP5736707B2 |
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JP2015098819A |
To provide a camshaft, an internal combustion engine, and a cam angle detection device, capable of more accurately detecting a cam angle while saving a space of the internal combustion engine.An intake camshaft 11 includes a sensor rotor...
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JP2015068343A |
To provide an improved machine system such as a cam follower or a rocker arm.The machine system according to the present invention comprises: a supporting element (10); a pin (30) extending along a first axial line (X1), and having two o...
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JP2015068503A |
To provide an improved machine system such as a cam follower.The machine system (1) according to the present invention comprises: a tappet (10) including a main body (11); a pin (30) extending along a first axial line (X1); and a roller ...
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JP2014218905A |
To develop a cam mechanism for improving more performance over a prior patent application of "Cam mechanism with steep rise" (Japanese Patent Application No.2013-28576) as a cam mechanism that can be used in "Ignition mechanism of Intern...
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JP5596478B2 |
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JP2014156911A |
To realize a steep start-up cam mechanism without increasing the size of a shape.One cam and a symmetrical cam made in line symmetry with the one cam (plane symmetry when the cam is assumed as solid) are faced to each other and rotated i...
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JP2014109282A |
To provide a rolling bearing in which lubricating oil taken from the outer periphery side of an outer ring into the bearing can be prevented from leaking from the end face of the bearing, and to provide a camshaft device in which the rol...
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JP5510356B2 |
To individually control each intake valve or exhaust valve and to soften impact or the like when a valve is closed, while preventing a mechanism from increasing in size.A variable valve mechanism transmits action force of a cam to a valv...
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JP5488296B2 |
A roller bearing includes an inner ring (50), an outer ring (60), a plurality of rollers (70) and a cage (80). The cage (80) is formed of a synthetic resin material, and is integrally provided with first and second annular portions (81, ...
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JP5471901B2 |
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JP5447181B2 |
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JP5386890B2 |
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JP5363805B2 |
A pair of guiding elements is characterized in that at least one of its elements is made of a steel containing at least 0.15 to 0.3% by weight of carbon, 2 to 5% (preferably 2 to 3%) by weight of chromium, at least 0.45% (preferably no g...
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JP2013538963A |
Rotary motion devices (10) are provided. In one embodiment, the rotary motion devices (10) may comprise: a mass (12); a circumferential component (14); a plurality of spokes (16) connecting the mass (12) to the circumferential component ...
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JP5312243B2 |
To provide a cam follower and a method for producing the cam follower, in which the size and cost of the cam follower are reduced using a high-strength cam follower stud with a fiber flow continuously formed over each part without causin...
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JP5307477B2 |
A cam follower for a rocker arm includes a cylindrical outer ring (11) having an outer circumference surface abutting on a cam, a support shaft (6) to support the outer ring (11), a plurality of rollers (12) arranged in an annular region...
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JP5296430B2 |
A steering apparatus 1 includes a first shaft 3 coupled to a steering wheel 2, a second shaft arranged to be eccentric relative to the first shaft 3, and a joint mechanism for coupling the first shaft and the second shaft to each other. ...
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JP5293013B2 |
To provide a grinding machine capable of improving the accuracy of an outer peripheral profile of a cam piece of a camshaft with bearings and preventing grinding dust from entering into bearings of the camshaft with the bearings. The gri...
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JP5253575B2 |
An assembly including a rotatable shaft with external splines and an annular member receiving such shaft, provided with internal splines meshing with the external splines of such shaft wherein the external splines of different segments o...
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JP2013139859A |
To suppress an effect caused by a roller skew in a power transmission mechanism using a cam roller.A power transmission device includes: a cam rotating at the center of a rotary shaft; a roller reciprocating in a radial direction of the ...
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JP2013137045A |
To suppress effect by skew of a roller in a power transmission mechanism using a cam roller.A power transmission device includes a cam rotating around a rotary shaft as the center, a roller guided by the cam to reciprocate in a radial di...
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JP5231329B2 |
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JP5234191B2 |
In a dual camshaft structure, an inner shaft provided with a variable cam is inserted into an outer shaft provided with a secured cam. In the dual camshaft structure, the secured cam is provided on a first cylindrical member, the first c...
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JP5232063B2 |
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