Patent application number | Description | Published |
20110072928 | Mechanism for Converting Rotary Motion into Linear Motion - Upon assembly of a mechanism for converting rotary motion into linear motion, since a plurality of rollers are different from one another in the tilt direction with respect to a holder, a difficulty occurs in fixing one end sides thereof to the holder and thereafter making fixation for the other end sides. | 03-31-2011 |
20110179896 | LEAD SCREW APPARATUS, LINEAR ACTUATOR, AND LIFT APPARATUS - A lead screw apparatus includes a screw shaft having a spiral channel on an outer circumferential surface thereof, a plurality of rollers rotatable with contact with the spiral channel, and a cage rotatably supporting the rollers for conversion between relative rotation and linear motions between the screw shaft and the cage bi-directionally. The lead screw apparatus further includes a bearing and a holder 6 supported by the case for supporting the bearing. An inner ring of the bearing and the roller are integrally formed. An outer ring of the bearing has a protrusion on an outer circumferential surface thereof on a side closer to the screw shaft. Rollers of the bearing having a circular truncated cone shape are disposed in the bearing in a circumferential direction with substantially no gap. The outer ring has a thread part to shift the bearing and the roller. | 07-28-2011 |
20110193500 | MECHANISM FOR CONVERTING ROTARY MOTION INTO LINEAR MOTION AND LIFTING DEVICE - There is provided a mechanism for converting rotary motion into linear motion in which high positioning accuracy can be obtained in mutual conversion between rotary motion and linear motion. The mechanism includes a plurality of rollers having a roller annular groove member and a pair of thrust bearings, a thrust bearing portion that is convex shaped and is held between the pair of thrust bearings on an outer surface of an end of the roller shaft, a step surface that is disposed on an inner surface of the roller annular groove member and facing to the thrust bearing portion putting one of the pair of thrust bearing in between, a thrust facing member that is in mesh with an inner surface of the roller annular groove member and is facing to the thrust bearing portion putting the other one of the pair of thrust bearing in between. | 08-11-2011 |
20110255706 | Sound Generator - A sound generator is provided capable of generating vehicle sound that will be produced when a specific sound element is changed out of a plurality of sound elements arising from the operation of a plurality of components mounted on a vehicle. A sound generator | 10-20-2011 |
20110303030 | MECHANISM FOR CONVERTING ROTATIONAL MOTION TO LINEAR MOTION - A rotational-to-linear conversion mechanism inhibits interference from occurring in places except for an engagement site to increase the efficiency of conversion mechanism and reliability, which has: a rack rod | 12-15-2011 |
20120012425 | LINEAR ACTUATOR AND FORKLIFT TRUCK - This invention includes a screw shaft | 01-19-2012 |
20120111669 | LINEAR ACTUATOR AND FORKLIFT TRUCK - This invention includes a screw shaft | 05-10-2012 |
20120128533 | LIQUID SUPPLY DEVICE USING CHECK VALVE AND REACTIVE LIQUID CHROMATOGRAPHY SYSTEM - It is possible to correctly determine whether a change in the pressure or flow rate is caused by normal opening and closing operations of a check valve and to monitor in real time whether an operation of a check valve is normal or abnormal in a liquid supply device. Light is introduced in the check valve and a change in the quantity of light transmitted through or reflected by the check valve, caused by the opening and closing of the valve is detected, so that the opening and closing operations of the check valve can be directly detected. The check valve is arranged in a pipe in the liquid supply device, and a change in the pressure in the pipe is monitored on the basis of a signal from a pressure sensor and a signal which represents the opening and closing of the check valve. | 05-24-2012 |
20120174691 | LINEAR ACTUATOR | 07-12-2012 |
20130104631 | PUMP FOR LIQUID CHROMATOGRAPH, AND LIQUID CHROMATOGRAPH | 05-02-2013 |
20130139791 | DRIVE UNIT OF FUEL INJECTION DEVICE - In a drive unit of a fuel injection device, an electric current is supplied to the fuel injection device by applying a high voltage to the fuel injection device from a high voltage source whose voltage is boosted to a voltage higher than a battery voltage at the time of opening a valve of the fuel injection device. Thereafter, the electric current supplied to the fuel injection device is lowered to a current value at which a valve element cannot be held in a valve open state by stopping the applying of the high voltage from the high voltage source. Thereafter, in a stage where a supply current is switched to a hold current, another high voltage is applied to the fuel injection device from the high voltage source. | 06-06-2013 |