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JP2009208687 |
To provide a rack-and-pinion type steering device can prevent the noise attributable to any play between a rack bar and a rack guide.The steering torque applied to an engagement part between a rack 30 formed on a rack bar 29 and a pinion...
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JP2009208491 |
To provide a rotary drive with a small number of parts and simple in structure.This rotary drive is constituted by axially installing a rotation axis 3 in a device body 2, mounting two front and rear pinions 4, 5 on the rotation axis 3 t...
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JP2009203990 |
To provide a damper device having a sufficient braking force capable of improving an initial breaking force, and capable of being compact in size.This damper device 1 has a cylinder 20 having a block-up part, a piston 40, a first flow pa...
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JP2009204134 |
To provide a linear body take-up mechanism for a feeding device capable of relaxing the degree of difficulty in manufacture while leaving advantages of existing techniques as much as possible, suppressing cost increase, achieving stabili...
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JP2009202740 |
To improve the vibration control performance and slidability of a rack guide when stabilizing engagement of a rack shaft with a pinion by use of the rack guide.In this electric power steering system 10, an elastic body 25 is provided in ...
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JP2009196026 |
To provide an extensible manipulator mechanism making compatible an increase in strength and a reduction in weight, and recoverable even when an arm is bent by the action of an excessively large external force applied thereto.This manipu...
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JP2009197829 |
To improve durability by improving rigidity while suppressing an increase in size.A telescopic structure comprises a telescopic mechanism 16 having telescopic motion with driving force transmitted via a driving force conversion part 14 f...
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JP2009197863 |
To stably transmit the rotational torque of a rotary shaft to each planetary roller without preloading each planetary roller with a negative clearance between the outer diameter face of the rotary shaft and the inner diameter face of an ...
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JP2009197992 |
To achieve weight reduction in a machine having a joint and a speed increase in operation by reduction in inertia moment, by an easily controllable noninterfering mechanism using a wire.Pulleys 1 and 2 having a diameter of the reciprocal...
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JP2009197828 |
To enhance the rigidity of a telescopic structure, while obtaining uniform rigidity for stress from various directions.A telescopic mechanism 16 expanding and contracting due to a driving force transmitted from a drive unit 12 via a driv...
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JP2009197956 |
To provide a worm-rack type power transmission device which has a strong transmission force, least friction loss, and high transmission efficiency, makes a linear drive with a high moving accuracy, has a self-locking property, and provid...
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JP2009190117 |
To provide a robot arm favorable for miniaturization and reduction of weight.This robot arm 300 is provided with: a linear actuator 310 for moving a nut 324 linearly; a pulley 350a arranged at one end in the direction of linear movement ...
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JP2009191970 |
To provide a technology wherein a display-swing motion, or a motion to return it to a vertical can be easily carried out even when one hand holding no portable device is full.The automatic swing mechanism is constituted so that the displ...
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JP2009191988 |
To provide a linear actuator in which the radial displacement is restricted and the axial displacement is stabilized at the time of expansion/contraction.The linear actuator comprises an outer pipe having a polygonal transverse shape and...
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JP2009190692 |
To provide a longitudinal operation type steering device with excellent operability with hardly collapsing the attitude of a driver.In this steering device 1A, steering is performed by operating grips 3L and 3R in the longitudinal direct...
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JP2009191987 |
To provide a linear actuator in which the radial displacement is restricted and the axial displacement is stabilized at the time of extension/contraction.The linear actuator contains an outer pipe having a polygonal transverse shape and ...
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JP2009191989 |
To provide a linear actuator restricted in radial displacement and stabilized in axial displacement when being extended and contracted capable of adjusting tension produced between tubes when the tubes are moved.The linear actuator conta...
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JP2009190426 |
To provide a structure capable of preventing an annular member for securing an upper bearing which supports a pinion shaft from being released by a thrust force and a torque in a rack and pinion steering unit.The rotational direction of ...
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JP2009184591 |
To provide a structure both securing durability and improving operational feeling.A back face 24 of a rack shaft 9 is supported on a rack guide 15a to restrain the rack shaft 9 from being displaced in a direction retreating from a pinion...
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JP2009180269 |
To provide a brake device for arranging the brake device in a limited space between a wheel and a carriage, by miniaturizing an actuator.This brake device is provided for applying frictional force by pressing a brake shoe to a disc, and ...
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JP2009180287 |
To provide a mobile device and a mobile robot which can travel over great distance with great precision by using a rack and a pinion.A drive gear is driven by power from a mobile drive part constituted by combining a motor and a reductio...
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JP2009174585 |
To reduce manufacturing cost, by facilitating near net shape processing, by reducing a projection part, in a shape of a carrier.A linear driving member 18 is provided with a cylindrical part 18a overhanging to the outer peripheral side o...
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JP2009168056 |
To make centering of a planetary roller unnecessary and reduce its processing manhours.A carrier 6 is provided with a plurality of support shafts 8 extending to the planetary rollers 7 side in parallel with the planetary rollers 7. These...
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JP2009162209 |
To solve the problem that the transfer of a force primarily for a rachet in one direction cannot make use of the whole reciprocating force of vibration since a vibration force caused by an impact is used as energy.The rachet-structured g...
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JP2009160960 |
To provide a rack-and-pinion type steering device capable of preventing tooth breakage resulting from the fatigue of rack teeth even when the steering device is combined with an electric power steering device.A pinion 22 forms pinion tee...
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JP2009150465 |
To provide an electric damper device for obtaining damping force by generating electromagnetic force in a motor even if operation of a motor driving device for generating power in a motor and operation of a control device for controlling...
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JP2009137574 |
To provide an improved roller bearing used under severe conditions.A drive system includes a track rotatably mounted to a lift assisting device, a shaft rotating in response to flight control signals to develop or retract the lift assist...
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JP2009133340 |
To improve an arrangement flexibility of a rack belt, and then to improve a vehicle installation capability of opening/closing body drive device.Rack belts 8 (8a, 8b) are connected to a movable panel 4, and engaged with a spur gear 77 ro...
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JP2009132304 |
To mount a slide plate for receiving and supporting a rack bar in a casing of a rack-and-pinion type steering device on a rack guide base body, while restricting the slide plate to be a regular state in relation to a recessed part of the...
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JP2009133410 |
To provide a reciprocating device and its driving means capable of coping with this high speed reciprocating motion, a stably driving source and its control means, and a vibration damping means for restraining high speed violent vibratio...
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JP2009119595 |
To provide a belt-driven-designed multi-axis robot providing improved positioning accuracy.The multi-axis robot for high-speed applications comprises a first and a second guide rail 12, 14 arranged substantially parallel to each other. A...
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JP2009121583 |
To provide a belt or chain type power transmission in which idling pulleys are arranged above and below with a driving pulley interposed, capable of reducing the weight of members and simplifying the fixation structure.The power transmis...
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JP2009113732 |
To provide a rack shaft supporting device or the like capable of preventing generation of abnormal noise attributable to the collision of a roller retainer with a rack retainer holding a bearing.A roller retainer 16 is constituted by int...
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JP2009108730 |
To provide a variable compression ratio engine capable of restraining occurrence of knocking caused by variation of a compression ratio.This variable compression ratio engine 1 varying a compression ratio by linking a piston 11 with a cr...
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JP2009107539 |
To provide a rack and pinion type steering device allowing reduction of manufacturing cost of a rack shaft, while improving impact durability of the rack shaft by enhancing impact strength of a rack tooth at a stroke end position.In this...
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JP2009103298 |
To provide a measuring apparatus easy to familiarize for a person not knowing the world called wave motion, since this wave motion measuring apparatus 3 is different from a professional wave motion measuring apparatus.This wave motion me...
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JP2009097634 |
To provide an image reading device capable of accurately moving a carriage stably, and to provide an image forming device equipped with the same.The image reading device 5 is equipped with a first and a second carriage 71, 72 supported m...
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JP2009096321 |
To provide a rack-and-pinion type steering device capable of preventing noise attributable to the play of a rack guide to be fitted to a guide hole.The reaction force F2 received by a rack bar 29 having a rack 30 from a pinion 28 is bala...
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JP2009092125 |
To provide an expansion mechanism for an actuator expandable by driving an expansion sleeve by an expansion tool.This expansion mechanism for the actuator is characterized by including the expansion sleeve constituted by successively fit...
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JP2009093754 |
To mechanically control driving torque of a disk tray and a slider to different optimal values, and to secure operation smoothness thereof.The gear mechanism includes a disk tray 10, a slider 20, a first gear 81, a second gear 82, a firs...
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JP2009085283 |
To provide a linear motion device capable of increasing a stroke amount of an output rod without enlarging the device.The linear motion device is provided with a first driven gear 14 and a second driven gear 16 driven by a driving source...
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JP2009079648 |
To provide a slide drive device capable of linearly moving at a high speed with high output while being compact as compared with the conventional one.The slide drive device 20 has a rack 22 fixed to a slider 21 linearly-movably supported...
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JP2009079733 |
To obtain an electric parking brake that is compact, lightweight and low in production cost by storing a winding part of a parking wire inside an engagement part with the worm of a worm wheel.The electric parking brake has the worm wheel...
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JP2009074582 |
To provide an actuator for linear driving, capable of preventing the tooth flank wear of a rack gear, and improving specifications and a life.In the actuator for linear driving using a rack and a pinion mechanism, a plurality of idler ge...
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JP2009063011 |
To provide a magnetic viscous fluid shock absorber in which the amount used of magnetic viscous fluid is reduced.The magnetic viscous fluid shock absorber comprises a first shaft member 11, a second shaft member 20 supported to the first...
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JP2009041581 |
To provide an electric direct-acting actuator capable of ensuring a load holding function.An equivalent lead angle of a spiral projected line formed at the inner diameter surface of an outer ring member 5 by a line member 5b expressed by...
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JP2009041580 |
To prevent wearing or partial wearing at an outer diameter surface of a rotary shaft and a planetary roller, and an inner diameter surface of an outer ring member so as not to cause radial or circumferential tilting in the planetary roll...
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JP2009041579 |
To prevent wearing in a spiral projected line and circumferential or spiral grooves in which the spiral projected line is engaged.A hard plated layer 18 by hard Cr plating is formed on the surface of a line member 5b to form the spiral p...
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JP2009040277 |
To provide a rack for a steering device in which stress concentration applied to a tooth base of a rack tooth engaged with a pinion is relaxed at a stroke end of the rack and increase of the number of parts and rising of manufacturing co...
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JP2009035171 |
To enhance wear-resistance of a distal end part of a pinion shaft of a rack and pinion type electric power steering device by a method other than a method in which a surface carbon content is particularly made high.After cementation trea...
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