Abstract:
PROBLEM TO BE SOLVED: To provide a thrust needle bearing having a small amount of wear and a superior flaking-resistant life under severe operating conditions. SOLUTION: In the thrust needle bearing having a rolling body 2 and raceway rings 1A and 1B kept in contact with the rolling body 2, carbide is extracted in a range from 10,000 pieces/mm 2 or more to less than 40,000 pieces/mm 2 at least on the surface layers of the raceway rings. COPYRIGHT: (C)2003,JPO
Abstract translation:要解决的问题:提供一种在严苛的工作条件下具有少量磨损和优异的防剥落寿命的推力滚针轴承。 解决方案:在具有滚动体2的滚动轴承和与滚动体2保持接触的滚道环1A和1B的推力滚针轴承中,将碳化物从10,000个/ mm 2以上至小于40,000个/ mm 至少在滚道环的表面层上。
Abstract:
PROBLEM TO BE SOLVED: To improve lubricating performance of a rolling contact surface and sliding contact surface by smoothly circulating a lubricating agent into a pocket of a retainer and to actualize a turning bearing having long rolling fatigue life. SOLUTION: In the retainer 6 of a turning bearing arranged a required number of pockets accommodating rollers by partitioning a pair of gentle arc-shaped side walls 7 and 7 by means of pillars 8 arranged in designated intervals, the pillars 8 are alternately slanted each other in a directly-opposed state at a circumferential direction, and the retainer 5 is supported b keeping in contact with the rollers 3 and 4 and pillar 8, and a space existing between the under surface of the retainer 6 and raceway surfaces 1a and 2b is formed therein. Thus, the lubricating agent is supplied and circulated into the pockets 9 and 9a through the space, and lubricating performance of rolling contact surfaces among the roller 3 and 4, the pockets 9 and 9a, and the raceway surfaces 1a and 2b and sliding surfaces among the retainer 6 and raceway surfaces is improved accordingly. Consequently, surface damage is controlled, and fatigue life is further satisfactory. COPYRIGHT: (C)2003,JPO
Abstract:
PROBLEM TO BE SOLVED: To accelerate the speed of a response when air is jetted for removing a part having poor attitude from parts in the middle of conveyance. SOLUTION: The speed of the response when air is jetted is accelerated remarkably by using a piezoelectric actuator for opening or closing a valve 4 on an air pipeline 5 for supplying the compressed air to a nozzle 6 for removing the part A having poor attitude from a conveying route 2 of a bowl 1 in order to cope with the needs of high-speed supply of the parts.
Abstract:
PROBLEM TO BE SOLVED: To provide an optical pickup lens holder whose bearing is mechani cally rugged and formed perpendicular to the lens seat with its inside diameter excellent in circularity. SOLUTION: The optical pickup lens holder 1 is made of resin. The lens support 2 and the bearing 3 are jointed with a bridge 3b. The lens support 2 has a bearing hole 2a and lens seat 4 formed inside the lens attaching hole 4a and the bearing has a baring support 3a perpendicular to the lens seat 4. One or more lens attaching holes 4a are formed with lens seats 4 at the decentered position from the bearing 3 of the lens support 2. COPYRIGHT: (C)2003,JPO
Abstract:
PROBLEM TO BE SOLVED: To improve precisions of surface roughness, cylindricality and roundness of a trial ring of shell shaped needle roller bearing. SOLUTION: After an iron punch 20 is inserted to contact a bottom of a deeply drawn cap shaped shell material 10 and press the cap shaped shell material 10 into a dice hole 31 of a dice 30 keeping the ironing punch 20 inserting, an inner periphery surface 2 of a cap shape is ironing treated by drawing an ironing punch 20. COPYRIGHT: (C)2003,JPO
Abstract:
PROBLEM TO BE SOLVED: To provide a door opener, by which a door open-close unit is miniaturized and lightened and a door can be opened efficiently by only one of the operation of a touch switch and which is silent. SOLUTION: In the door opener 1 opening the rotary type door in which one end section is supported rotatably by a hinge, the door opener 1 has a motor 2 housed in a bottomed cylindrical housing 3, a screw shaft 4, to which the rotation of the motor 2 is transmitted, a nut 5 screwed to the screw shaft 4 and internally inserted into the housing 3, the first spring 6 housed between the nut 5 and the shoulder section 3a of the housing 3 and the second spring 7 housed between the bottom section 3b of the housing 3 and the motor 2, and the rotation of the motor 2 is converted into the linear motion of the nut 5. The nut 5 is formed to the housing 3 retractively and irrotationally and the screw shaft 4 is formed integrally with an output shaft for the motor 2. COPYRIGHT: (C)2003,JPO
Abstract:
PROBLEM TO BE SOLVED: To make easily verifiable the whole of a plant, to make easily performable efficient plant expansion in the case of newly rising a production line or process change of an existent line in a short time and to make appropriately performable the remote monitor of a constructed plant. SOLUTION: A virtual plant is prepared by making a partially or entirely newly designed plant into data model. The production condition and physical distribution condition are verified by making the virtual plant perform production simulation by a simulation means. A real plant matching with the verified virtual plant is constructed. The constructed real plant is remotely monitored and the monitored result is compared with the verified result in the virtual plant verification process. COPYRIGHT: (C)2003,JPO
Abstract:
PROBLEM TO BE SOLVED: To provide a frictional continuously variable transmission capable of preventing generation of excessive sliding of a frictional contact part for transmitting rotary torque, damage of a rolling surface and excessive load burden on a speed change mechanism part and securing a smooth speed change function, making the most of advantages of a pressurizing cam system. SOLUTION: Pressurizing cams 30 and 31 in which cam surfaces 30a, 30b, 31a and 31b for imparting pressure contact force to a double cone 26 via support cams 28 and 29 and transmitting rotary torque are formed oppositely to the axial directions of a high speed shaft 21 and a low speed shaft, 22 are interposed between connecting parts of a sun roller 23 and the high speed shaft 21 and between connecting parts of an outer ring 24 and the low speed shaft 22, respectively. Regulating means 32 and 33 for regulating below prescribed amount δof the axial relative distance of the high speed shaft 21 and the low speed shaft 22 are provided among the cam surfaces 30a, 30b, 31a and 31b of each pressurizing cam 30 and 31. COPYRIGHT: (C)2003,JPO
Abstract:
PROBLEM TO BE SOLVED: To allow smooth changeover without impulsive force in a rotation transmission device provided with a two-way clutch for connecting and detaching a first rotating shaft and a second rotating shaft by changing the phase of a cage 6 interposed in an annular space between an outer ring 44 and an inner member 2, to form a wedge-engaged state and a non-engaged state between a roller 8, and the inner member 2 and the outer ring 2. SOLUTION: The rotational difference between the first rotating shaft and the second rotating shaft is synchronized to a desired value by providing an auxiliary armature 19 frictionally engaged with a rotor 15 before frictionally engaging a main armature 11 with the rotor 15 to change the phase of a cage 6 for holding the roller 8. COPYRIGHT: (C)2003,JPO
Abstract:
PROBLEM TO BE SOLVED: To make an axial length of a direct type valve system compact. SOLUTION: A lifter 7 is provided between a cam 6 and a valve stem 4. A sealed hydraulic lash adjuster 10 is incorporated between an end plate 8 of the lifter 7 and an upper end of the valve stem 4. The axial length of the valve system is made compact by arranging an end part on a stem pressing side of a valve spring 32 for pressing the valve stem 4 toward the cam 6 side on the outside of the hydraulic lash adjuster 10. COPYRIGHT: (C)2003,JPO