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Patent Searching and Data


Matches 451 - 500 out of 1,333

Document Document Title
JP2004261890
To eliminate jig replacement with a change of kind, and to remarkably shorten the switching time, in regard to a variable pitch work supply unit for supplying a fixing member to a fixing part opened in a work.In a hand formed of an arm 1...  
JP2004261955
To unify surface roughness of a working surface when lapping a work having an arc-shaped working surface of non-circular section such as a cam lobe part.A lapping device 1 comprises a lapping film 11, a shoe 21, a shoe pressing unit 30 w...  
JP2004263584
To provide a cam follower with long operating life having a roller shaft securing sufficient abrasion resistance and durability by nitriding treatment.In the cam follower, a roller 9 having a track in an inner circumferential face thereo...  
JP3599700
To provide a double hinged door opening/closing mechanism having an improved convenience in use and reduced cost. Cam mechanisms are provided on the sides of a body 1 and a door 2 and a hinge pin 28 is locked to one end of a hinge groove...  
JP2004258638
To obtain an advance/retreat cam mechanism for a lens barrel where the miniaturization of a cam ring is made compatible with the securement of the moving amount of a movable member.In the advance/retreat cam mechanism for the lens barrel...  
JP2004257498
To provide a cam follower capable of suppressing vibrations and enhancing acoustic aspect at a low cost.The cam follower comprises a thick-walled cylindrical outer ring 1 having an outer track 1a on the inner circumference, a stud 2 havi...  
JP2004257290
To form crowning on an outer diameter surface of a roller in order to absorb misalignment in a rocker arm by forming a part shaped corresponding to the crowning in a grinding wheel and rotating the wheel so as to abut onto the outer diam...  
JP2004257286
To prevent a specific pressure from being raised locally in a contact part between the peripheral face of a tappet roller 6a and an peripheral face of a not shown cam by parts corresponding to a pair of continuous parts 18, 18 of a cylin...  
JP2004243453
To provide a cam shaft restraining an increase in man-hour and cost due to an increase in process, keeping the surface roughness of a cam face of a cam piece uniform, and restraining a lag in the opening and closing timing of an intake a...  
JP2004232612
To provide a camshaft capable of restricting deterioration of seating force of a valve due to vibration of a base circular part of a cam.This camshaft 25 is provided with a shaft part 27 to connect journal parts 26 adjoining each other, ...  
JP3585208
To provide a hollow integrated type cam shaft, which is excellent in productivity, strength, and durability and can be lightened in weight, by providing a cam part, swelled from the outer circumference part of a single tube body or provi...  
JP2004225551
To solve the problem wherein there is no rocker arm for absorbing misalignment by taking into consideration a crowning quantity of a roller, a head, the effective length of the roller and radial clearance though there is a technology for...  
JP2004218698
To reduce work costs to the fixing of a spindle to a shaft hole on the side wall and to prevent the spindle from being damaged in its fixing process.Almost circular grooves 24 are formed on the outer peripheral face at the shaft end part...  
JP3580100
To reduce vibration and noise and ensure durability by preventing respective center shafts of a hollow shaft and a gear from not matching with each other. In a condition in which a gear 3 is fitted around an end part of a hollow shaft 2 ...  
JP2004211748
To provide a cam to be fixed to a shaft portion to which a clutch is attached, preventing the unusual sounds of the clutch even when dispersion occurs in a rotation stop position.A first circumferential portion 101 having a radius Ra and...  
JP2004204897
To provide a highly reliable cam follower that has a roller abutting on a cam and makes the rotation of the roller smooth.The cam follower 2 includes a body 3 having a pair of side walls 3a, 3b and the roller 5 that is rotatively and ext...  
JP2004204275
To provide a method for comparatively easily quenching an article only by controlling a uniaxial feed.This quenching method comprises setting a focal position F of the laser beam L so that a cam nose part Cn which is an object of quenchi...  
JP2004204896
To solve a problem that there is no technology with which friction at a bearing part is reduced by specifying a crowning amount of a roller but that there is a technology with which the rotation at misalignment of a roller tappet is prev...  
JP2004197914
To prevent seizure of a sliding bearing and a roller.The sliding bearing 6 and the rollers 5 are rotatably provided on a supporting shaft 4 arranged on a pair of side walls 2, 3 facing each other, respectively. The width L6 of the slidin...  
JP2004190715
To provide a cam lobe for an assembled camshaft with competitive manufacturing costs capable of preventing breaks caused by extending works of a tube.The cam lobe 30 comprises a base circle portion 31 arranged on a through-hole 32, and a...  
JP2004183682
To provide a rolling sliding component capable of reducing sliding resistance in spite of higher surface roughness of a contact surface with a counter member and controlling generation of faulty surfaces such as peeling damage for a long...  
JP2004183744
To inhibit the increase of rotating resistance of an outer ring.This roller follower includes a pair of side walls 4, 4 opposite to each other, a spindle 6 fixed in a state of being bridged over a pair of side walls, an inner ring 8 fitt...  
JP2004183802
To provide a needle roller bearing capable of restricting heat treatment deformation while securing prescribed hardness.Steel material for forming at least one of an inner ring 2, an outer ring 4, and a needle roller 3 is quenched and ha...  
JP2004183841
To provide a roller follower which is used for a large load without any trouble while not increasing the size and the weight thereof.The roller follower comprises a pair of side walls 2 and 3 facing each other with a space therebetween, ...  
JP2004183672
To provide a rolling sliding component capable of reducing sliding resistance even though surface roughness of a contact face with a counter-member is large and controlling generation of defects on the surface such as peeling damage for ...  
JP2004183075
To provide a wear resistant member having excellent wear resistance and fatigue strength and usable for rolling members to be brought into contact with each other under high bearing pressure and also to provide a rolling member using it....  
JP2004183545
To provide a camshaft capable of realizing stable supply of lubricating oil to a sliding surface with a simpler structure.A protrusion 14 protruding to an inner periphery of a lubricating oil passage 12 is formed integrally with the cams...  
JP2004183666
To increase response to actuation by reducing leakage of hydraulic oil by preventing deformation of a cylindrical housing.The cylindrical housing 8, having a sprocket part 3 at the outer periphery and a partition wall 12 projected at the...  
JP2004183589
To provide long-service-life structure, by suppressing abrasion of an outer circumferential face of an intermediate part of a roller support shaft 9 even in lubricating environment using lubricating oil into which insoluble components su...  
JP2004176770
To reduce production cost and increase shape accuracy in a roller follower 1.This roller follower 1 is formed such that a deep groove ball bearing 4 with an inner ring 41 is fitted to the outer periphery of a pivot shaft 3 installed acro...  
JP2004176848
To improve wear resistance and seizure resistance of a combination of a first member 5 coated by an amorphous hard carbon film and a ferrous second member 6.The amorphous hard carbon film 1 is formed on a sliding face of the first member...  
JP3565746
To provide a fluid pump suitable for a fuel high pressure injection pump of a diesel engine by preventing abnormal wear or seizure in a sliding part between the cam and the plunger. In this fluid pump with a plunger operated by a cam mec...  
JP2004169669
To provide a camshaft having no abnormal wear generation on cam surface and its manufacturing method in the camshaft in which the cam surface is treated by re-melting surface hardening process.The cam surface of the camshaft except both ...  
JP2004156688
To solve the problem of tight adhesion of an end surface of a shaft body to a holding jig to prohibit separation of the shaft body from the holding jig due to existence of cooling solution invading between the holding jig and the end sur...  
JP3555844
To provide a sliding member having a low friction coefficient and excellent in wear resistance by making it into the one whose solid lubricity effectively functions even in lubricating oil. As to a hard carbon film sliding member 1 the s...  
JP2004144102
To reduce the leakage of operating oil, prevent the deformation of a cylindrical housing and improve operating responsiveness.The cylindrical housing 8 having a sprocket portion 3 on the outer periphery is formed with sintering. A vane m...  
JP3551005
To improve durability and reliability of a camshaft by forming cams from different materials in accordance with their respective forms of contact. Three cams having different valve lifts and active angles per cylinder are mounted to a ca...  
JP2004136439
To provide a small and highly reliable swing part holding mechanism.The swing part holding mechanism includes at least two holding arms 21 and 22 whose one end or center is pivoted for holding a swing part 20 from at least two opposite d...  
JP2004132339
To adequately connect an intake camshaft and an exhaust camshaft parallel to each other to a crankshaft.When the intake camshaft and the exhaust camshaft are connected to the crankshaft, the crankshaft is positioned at a predetermined fi...  
JP2004131840
To provide a corrosion resistant/wear resistant alloy in which the linkage of the corrosion of eutectic carbides composing a cobalt based, nickel based or iron based alloy used for the sliding part or valve seat of equipment in a dissolv...  
JP3546924
To provide a cam shaft which can eliminate the necessity of the step of forming a groove for fitting a snap ring, the necessity of a separate spring guide pin for a gear part 4, and the necessity of the step of press-fitting the guide pi...  
JP3546938
To prevent the occurrence of damage such as a chip in a shaft directional end part of a cam surface by arranging a projecting pressure contact object piece part deflectively deformable when a mating member such as a tappet contacts from ...  
JP2004124137
To provide a high precision sintered cam lobe member which has high dimensional precision even when a cam lobe having a complicated shape is produced while having high wear resistance and pitching resistance, and does not require grindin...  
JP2004125171
To increase the life time and reduce the cost coping with two guiding actions in the rotational direction and vertical direction without producing wear and unevenness in rotation, etc.A bearing unit 10 equipped with a double row capped b...  
JP2004125049
To provide a slide member capable of greatly reducing friction to a cam, and simplifying manufacturing processes in a valve mechanism for an automotive engine, for example.This slide member of ceramic comprises a flat surface 1 in which ...  
JP2004124244
To provide a high-accuracy sintered cam lobe material which has a high wear resistance and pitching resistance, and has high dimensional accuracy and does not require grinding after assembly even in the case the cam lobes of intricate sh...  
JP2004116584
To solve a problem that it is necessary to form a cured part and an uncured part on a support shaft, a clamping process is added, and a producing cost is increased in a rocker arm preventing turning of the support shaft by clamping an en...  
JP2004116541
To provide usage as a bearing with a rotating outer ring without hindrance by preventing damage of the outer ring due to insufficient quantity of oil.In the shell type roller bearing, the shell type outer ring 2 is used as a rotating rin...  
JP3541730
To prevent uneven abrasion of a valve lifter end face by enlarging the offset amount from the axis of the valve lifter to the center of width along a rotating axis in a region of a rotary cam with the maximum lift amount more than a regi...  
JP3542160
PURPOSE: To provide sufficient wear resistance and scuffing resistance for the cam shaft for high bearing pressure engine by using the cast iron added by the specified elements to form the chilled carbide on the sliding surface of a cam ...  

Matches 451 - 500 out of 1,333