| Patent Number |
Title Of Patent |
Date Issued |
| 7361118 |
Gear mechanism and reduction planetary gear |
April 22, 2008 |
| In a gear mechanism, inner gear teeth and outer gear teeth are formed of high-tooth. An engagement ratio of the inner and outer gear teeth is configured so as to be 2.0 or more, whereby a load can be transferred between the inner and outer teeth via a continuous gear engagement of at |
| 7064666 |
Composite sensor for door |
June 20, 2006 |
| A radio-wave transmitter-receiver section (12) forms a radio-wave detection zone (16) for detecting an object at a location way from a door (4). A light emitter-receiver section (20) forms an optical detection zone (42) for detecting an object at a location along and closer to the do |
| 7059237 |
Multiple-directional switching valve |
June 13, 2006 |
| In a multiple-switching valve having a bucket-leveling function, there are provided a diverged passage, which is diverged from a merged passage and connects with an unloading passage or a tank passage, and a switching valve to disconnect and connect the diverged passage. The switching va |
| 7032378 |
Flow divider system and valve device of the same |
April 25, 2006 |
| There is provided a flow divider system in a hydraulic circuit for a work machine including a boom cylinder and a bucket cylinder. The flow divider system divides a pressured oil drained from a one-boom cylinder into an other-bucket cylinder and a tank via a first orifice, a second orifi |
| 6678999 |
Object sensing system for use with automatic swing door |
January 20, 2004 |
| An object sensor for use with an automatic swing door includes a light emitter, which is mounted on a door surface of the automatic swing door. The light emitter emits a light beam toward a floor. A distance detector is mounted on the door surface. The distance detector receives the ligh |
| 6558430 |
Air-cylinder apparatus for prosthetic limb |
May 6, 2003 |
| There is provided an air-cylinder apparatus for use in a prosthetic limb capable of effectively adjusting the pressure characteristics over a wide range of walking speed. A second chamber 82 defined by a piston 113 is increased in pressure by air confined therein in accordance with the |
| 6493991 |
Revolving door system |
December 17, 2002 |
| A revolving door system includes outer walls (2) disposed in parallel with a doorway in a building. A hollow center core (3) having a racetrack-shaped cross-section is disposed between the outer walls, whereby passageways are defined by the lower surface (4a) of a ceiling (4), the fl |
| 6392537 |
Remote monitoring system for automatic door systems |
May 21, 2002 |
| A maintenance station monitors and maintains a plurality of automatic door systems at remote locations. Each door system includes a control unit for controlling the operation of an automatic door, and a self-diagnosing arrangement which operates in conjunction with the control operation |
| 6086616 |
Prosthetic leg with extension auxiliary mechanism |
July 11, 2000 |
| There is provided a prosthetic leg with an extension auxiliary mechanism 1100 capable of generating an extension torque only when an angle of bending of the knee is small. A knee joint 80 of a thigh prosthesis 170 is of a multi-axis structure, and a front and a rear link 130, 150 togethe |
| 6020701 |
Control apparatus for motor-driven vehicle |
February 1, 2000 |
| A control apparatus for a motor-driven vehicle driven by a motor brakes the vehicle without giving shock to the vehicle. The control apparatus includes a vehicle maneuvering section for sensing a manual driving force as applied to it. The control apparatus also includes a control circuit |
| 6009964 |
Motor-driven vehicle |
January 4, 2000 |
| Motors drive drive wheels of a motor-driven vehicle. A manual-driving-force sensing unit senses manual driving forces for driving the drive wheels and develops manual-driving-force representative signals. A control unit computes, from the manual-driving-force representative signals, |
| 5970711 |
Master cylinder having double structured seal ring |
October 26, 1999 |
| A main object of the present invention is to provide a technique capable of improving the assembling performance of a double seal ring. According to the first embodiment of the invention, on the piston 31 side to which a seal ring is attached, there are provided a ring retaining portion |
| 5963000 |
Object sensor system for automatic swing door |
October 5, 1999 |
| A object sensor system for a swing door includes swing-side and approach-side sensors. Each of the sensors includes light-emitters and light-receivers which are mounted on a swing door. The light-emitters emit light toward a floor, and the light-receivers receive the light as reflect |
| 5899943 |
Artificial limb including knee joint |
May 4, 1999 |
| Paying attention to the mechanical play between the first and second support members for supporting opposite end portions of a knee axis and a brake block located between the support members, the present invention chiefly aims at removing the play in the direction of an axis of the knee |
| 5888237 |
Artificial limb including air cylinder device |
March 30, 1999 |
| An artificial limb provides for positional relation between a first pin for rotatably connecting one end of an air cylinder device to a lower member and a second pin for rotatably connecting the other end of the air cylinder device to an upper member. The attaching position of the second |
| 5884237 |
Automatic door system with self-diagnosing function |
March 16, 1999 |
| An automatic door system includes a door which id driven to open and close by a motor. A sensor senses an object which approaches or leaves the door. A control section controls the motor in accordance with a signal supplied from the sensor. The control section includes a CPU which examin |
| 5842543 |
Lubricant supply apparatus for railroad turnout |
December 1, 1998 |
| A lubricant supply apparatus includes a pump for discharging lubricant. The lubricant is supplied onto two rows of floor plates arranged on a row of ties. Two tongue rails are mounted on the two rows of floor plates in such a manner as to slide on the floor plates. Times at which the pum |
| 5831403 |
Controller for an automatic door system |
November 3, 1998 |
| An automatic door system includes a motor which drives a door to open and close. A CPU operating in accordance with a signal from an encoder operatively coupled to the motor detects the position of the door and prepares and applies a control signal based on the detected door position |
| 5771988 |
Motor-driven vehicle |
June 30, 1998 |
| A motor-driven vehicle includes a vehicle body. A wheel has a fixed axle secured to the vehicle body. A driving arrangement which includes a driving unit and a battery is built in the wheel. A manipulating unit is mounted on the vehicle body, which produces an electrical signal to be |
| 5762123 |
Door system |
June 9, 1998 |
| A door is mounted within a doorway to be pivotal about a pivot axis disposed close to and along one of side surfaces of the doorway to selectively open and close the doorway. A guide roller protrudes toward the upper surface of the doorway from the upper edge of the door at a locatio |
| 5739523 |
Object sensor system for doors |
April 14, 1998 |
| A light-emitter emits light, and a plano-convex condenser lens focuses the emitted light and projects the focused light onto a floor near a door to thereby establish a sensing area. A plano-convex light-receiving lens focuses light reflected from the sensing area, and a light-receiver |
| 5732786 |
Manual driving force sensing unit for motor driven vehicle |
March 31, 1998 |
| A motor-driven vehicle includes a vehicle body including a handlebar, a drive wheel mounted to the vehicle body, a driving unit for driving the drive wheel, and a manual-driving-force sensing unit for sensing a manual driving force exerted to the handlebar to move the vehicle body and |
| 5611407 |
Driving force distribution control system for four wheel drive vehicle |
March 18, 1997 |
| It is an object of this invention to make compact a system for controlling the distribution of a driving force and also to simplify its controlling procedure. To achieve this object, a motor 200, 2200 is designed to be electrically controlled, and the rotation of the motor is transformed |
| 5611258 |
Vacuum booster |
March 18, 1997 |
| A brake booster having separately formed valve bodies for the vacuum valve and the atmospheric valve, which minimizes an invalid portion of the operation stroke. There is provided a cylindrical inner member 800 air-tightly and slidably fitted in the internal bore of a hub portion 52 |
| 5593288 |
Liquefied gas pump |
January 14, 1997 |
| A liquefied gas pump includes a piston and a cylinder which form a pump chamber into which a liquefied gas entrance path and a liquefied gas discharge path open. Relative upward and downward motion between the piston and cylinder provides a repetition of alternating suction and disch |
| 5540208 |
Liquefied gas fuel supply system |
July 30, 1996 |
| A system for vaporizing liquefied gas fuel supplied from a fuel tank and supplying it to an internal combustion engine includes a release path for releasing spontaneously evaporated fuel gas in said tank out of the tank. A catalytic burner is disposed in the release path for decomposing |
| 5405407 |
Cylinder for artificial leg |
April 11, 1995 |
| In an artificial leg for a person having an upper thigh cut and a knee joint lost, a cylinder disposed between upper and lower leg members, which are coupled through a pivotable joint, for controlling bending and straightening of the joint by an air cushion for convenience of walking. |
| 5379593 |
Liquid pressure source unit for liquid-operated booster |
January 10, 1995 |
| This invention not only positively reduces the vibrations and noises due to pulsation pressure generated by a hydraulic pressure pump 10, but also effectively prevents the generation of foreign sounds that may occur when a liquid-operated booster 90 is abruptly activated. For this purpos |
