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JP10220559 |
To lower the unit price of camshafts mass-produced, by making them in a simpler technique out of the raw material and intermediate material that the skilled in the art normally uses. Camshafts are mass-produced at lower costs out of the ...
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JP10177130 |
To realize the smooth action of a molding by making it possible to slide a sliding member along a groove without generating any play even when a cylindrical plastic molding having a spiral groove is constituted of two moldings. The plast...
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JP10171860 |
To prevent the erroneous input of a numeric value such as dimensions in cam design using a CAD. When an operator selects the desired kind of a cam at first, a CPU 11 reads corresponding data from an RAM 12, and allows a display 30 to dis...
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JP10159835 |
To have a gap between an outer race and its flange sealed with grease so as to have any invasion of dust and an increase in torque prevented by providing annular grease sump recess (s) on one side or on both of a facing surface of a flan...
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JP10143042 |
To actuate a member to be actuated to move back and forth at substantially the same speed until reaching a travel end by composing the cam surface of the actuating cam in a shape satisfying a specified formula. In the actuating cam 11, t...
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JP10121923 |
To enhance torsional rigidity of a driving shaft by uniformizing an outer diameter of the driving shaft, and reduce whirling of a ring-shaped disk by keeping stability of a second frange portion when a sleeve is pressed into it. A ring-s...
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JP10118893 |
To secure smooth feeding of a follower, its stationariness, and its clamping by providing a clamp section projecting to a reference groove face in a stationary section of a cam so that the cam groove face pressurizes a steel ball against...
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JP10103450 |
To provide a rotator which is easily produced and does not generate any radial play or axial play. At least a part of the outer circumference on a rotator 2 made from synthetic resin has a recessed part where axial cross section is almos...
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JP2759856 |
PURPOSE: To enhance the durability of a cam shaft constituting a valve driving mechanism for an engine. CONSTITUTION: A cam shaft 20 which is fitted thereon with a sprocket or a pulley 35 so as to driven by means of a chain or a belt hav...
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JP10061749 |
To provide a cam follower of simple structure which can be inexpensively manufactured. In this cam follower A, an outer ring 2 is constituted by a pair of sheet metal-made outer ring constitutional materials 4, 5, between inner/ outer ri...
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JP10047334 |
To ensure durability and wear resistance by regulating the quantity of carbide in a surface layer, hardness, the decomposition ratio of residual austenite associated with surface reinforcing work and surface roughness respectively to the...
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JP10038052 |
To restrain cost of a produce low by excellent productivity and reduction of machining cost. An outer peripheral surface of specified thickness to function as a cam surface is formed by laminating a plural number of cam constituent plate...
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JP10002400 |
To provide a cam driven element mounting structure to accurately position a cam driven element at a cooperating precise cam. A cam driven element mounting structure comprises a mounting member 12 having first and second cam driven elemen...
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JP10004300 |
To make feasible at the compact composition of a stopper by a method wherein a long hole having a curvatue is formed in a sector lever so that the sector lever may be stopped due to the oscillation by the reciprocation of a roller shifti...
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JP09303363 |
To provide strong and assured fixing of a second flange and a cam while uniforming the outside diameters of a driving shaft and a camshaft. A recess 60 is formed in the peripheral surface 21b of a driving shaft 21, and also a bolt insert...
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JP2719487 |
PURPOSE: To provide the manufacture of a cam shaft by which a tubular shaft member and a cam piece with an axial hole are firmly joined. CONSTITUTION: While plural grooves are provided which extend on the inner circumferential surface of...
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JP09280342 |
To reduce a manufacturing cost and to stabilize a motion by a method wherein a first protrusion part protruding to one side of a metallic sheet is formed on the inner edge side of a pocket, a second protrusion part protruding to the othe...
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JP09250626 |
To increase the limit load of the seizure of a cam in the operating condition of an internal oil feeding type hollow cam shaft. An oil distribution hole 4 is formed to the shaft 2 and the cams 3 of an internal oil feeding type hollow cam...
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JP09228721 |
To ensure an accurate adjustment by providing a first member, second member and cam, pivotally mounting the cam on the first member through a pivot turning around an axis, and enabling the first and second members relatively through rota...
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JP09210201 |
To lower manufacturing cost of a stopper plate of shift cam feed gear without while ensuring required function thereof. A stopper plate is secured at one end of a shift cam composing a transmission to rotate the shift cam at intervals of...
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JP09184565 |
To sufficiently supply lubricating oil to a cam follower without increasing the capacity of an external oil supply device, and to make a mechanism also serve as a positioning mechanism by providing an oil groove on the partial circumfere...
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JP09152010 |
To provide a cam mechanism which can cope with high-speed rotations using a simple lubricating structure and to provide an electronic component mounting device using the cam mechanism. This cam mechanism 50 comprises a cam 50a and a cam ...
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JP09144513 |
To surely prevent the rupture of a cam lobe due to excessive stress of an expanded pipe by providing a uniforming means for nearly uniform radial fastening force in the axial direction of the hollow shaft and the cam lobe in the case whe...
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JP09125916 |
To enhance the wear resistance of a cam and a rocker arm, in a gear which comprises the cam and the rocker arm serving as a follower member that makes sliding contact with the cam, by using the cam as a driver. Over at least either the s...
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JP09125915 |
To increase the service life of a tappet and a cam and efficiency of an engine. A direct acting tappet contains a sheet metal-made body 2, a plastic block 3 which exists in the body 2 and houses a roller 4 contacting with a cam in itself...
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JP09100703 |
To fix all cam lobes with one expansion of a tube by setting the outer periphery hardness of a cam lobe to a specified value or higher and the hardness of each of inner peripheral part and a hollow shaft to a prescribed value and providi...
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JP09099357 |
To form a high quality hollow part in a casting without using a core, a centrifugal casting method, etc., by substantially preventing the sticking of sand on the casting surface of the hollow part cast by using a sand mold. At the time o...
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JP09096202 |
To prevent the assembly member of an assembly type cam shaft from moving in the axial direction of an assembly member by forming the axial directional width of a bulging part formed on the shaft longer than the width of the assembly memb...
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JP09096351 |
To provide the cam curve which can not only lessen starting load but also enlarge the movable range of a slave body in a limited development length. The movement of a slave pin 24 is regulated accordingly by a cam curve 20, the slave pin...
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JP2621009 |
PURPOSE: To secure excellent oil retaining property, and thereby enhance seizure resistance by letting a constituting body be composed of the aggregate of metallic crystals consisting of a face centered cubic structure each, and thereby ...
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JP09089079 |
To provide a cylindrical cam and its manufacturing method which cam manufacture the cylindrical cam as a single part by forming a cam surface exceeding 360° in a peripheral surface of the cylindrical cam, long ensuring a cam curve lengt...
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JP09089078 |
To provide a roller follower having a structure which can extend a substantial life of a cam surface and a cam follower and suppress even scattering of a lubricant during operation. In a roller follower having an outer ring 3 turnably su...
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JP09089080 |
To provide a helical cam capable of forming a cam surface of long stroke without a seam joint and step difference in the peripheral surface of a small diametric column, and suitable for also mass production. A camshaft is constituted by ...
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JP09089077 |
To improve mass productivity in a device which can cope with work by simple operation, in the case of fixing a prescribed number of camshaft constitutional elements to a fixed position different from each other in a shaft main unit. In a...
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JP09042421 |
To actuate a plural number of driving members by one piece of cam and to miniaturize a cam mechanism. It corresponds to a cam 210 forming a plural number of different kinds of cam profiles at different surfaces and different angle positi...
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JP09020461 |
To shorten a phase adjusting time of a cam and further to stabilize holding force of the cam. A cam fixing shaft 21 having a clamp 22 in one end part is supported advancing/retreating to/from a frame 2 freely, also to support a pressure ...
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JP09014383 |
PURPOSE: To easily switch timing of a cam chart without changing a cam itself. CONSTITUTION: It is furnished with a variable cam 2, a main rotational driving system to give rotation to the variable cam 2 by rotating at constant speed and...
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JP08334163 |
PURPOSE: To use first and second cam gears stamped by using a sheet metal material by superposing them. CONSTITUTION: Gear parts 1a, 2a and cam groove parts 1b, 2b of first and second cam gears 1, 2 are respectively formed by integrally ...
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JP08326863 |
PURPOSE: To provide such a cam gear structure provided with bypass as being capable of making response to any expectable abnormal load applied to a moving body. CONSTITUTION: The cam passage 21b formed in a cam gear 21 provided with its ...
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JP08303214 |
PURPOSE: To simplify positioning of a cam piece and to ensure torque transmission. CONSTITUTION: A metal pin 2 serving as an engaging member is arranged in the predetermined position in a shaft 1. A cam piece 3 is fitted on the outer cir...
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JP08296412 |
PURPOSE: To reduce contact face pressure between a cam and a roller by preventing half abutting of the roller on the cam caused by misalignment between the roller of a roller tappet and the cam. CONSTITUTION: An inner roller 1A whose out...
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JP08284618 |
PURPOSE: To prevent generation of breakdown an impact sound due to contact of the flange part of a camshaft with the end face of a bearing. CONSTITUTION: This camshaft is provided with journal parts 2, 2 supported with bearings 11 on bot...
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JP2572000 |
PURPOSE: To enhance seizure resistance, wear resistance and the like by letting a slide surface constituting body be composed of the aggregate of metallic crystals consisting of a face centered cubic structure each, and thereby letting (...
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JP2569250 |
PURPOSE: To manufacture an ununiform thickness member such as a cam piece having a desired shape and a high strength at a low cost and favorably. CONSTITUTION: A ununiform thickness member such as a cam piece having a through hole in the...
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JP08233070 |
PURPOSE: To provide stable oil film forming capacity and to prevent the occurrence of peeling by a method wherein the surface layer part of the rolling contact surface of an outer wheel has a high residual compression stress and contains...
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JP08210110 |
PURPOSE: To secure accuracy of a cam lobe angle, and improve strength of a bittten portion by forming grooves on an outer peripheral surface of a shaft and an inner peripheral surface of an attached member, opposing the grooves to each o...
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JP08210457 |
PURPOSE: To reduce drive torque of a device in a manner wherein pressing force of a cam follower is prevented from acting as a load on rotating a cam. CONSTITUTION: A cam mechanism 13 of lifting a lift unit by a prescribed stroke is cons...
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JP08200474 |
PURPOSE: To eliminate wearing due to contact by enabling a driven piece to make a motion in a contactless condition relating to a cam. CONSTITUTION: A bending periphery 13a of a cam 13 is magnetized, a periphery 17a of a driven piece 17 ...
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JP08200463 |
PURPOSE: To prevent non-return of a roller into a pocket due to making the roller largely come out from the pocket of a cage. CONSTITUTION: Plate parts 17a, 17b, provided between the fellow pockets 15, 15 adjacent to each other in a circ...
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JP08178020 |
PURPOSE: To provide a built-up cam shaft having desired rotating torque strength and preventing the breakage of a cam in use by pressing the cam coupling region on the outer periphery of the shaft applied with knurl machining into a cam ...
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