PROBLEM TO BE SOLVED: To prevent irregular winding of a string-like body in a position restoring device of a seismically isolated building provided with a winding means for taking up the string-like body with one end fixed to an upper structure.

SOLUTION: The position restoring device 1 of the seismically isolated building is a device which restricts horizontal movement of the upper structu...

PROBLEM TO BE SOLVED: To provide a tideland breakwater by which movement and outflow of an artificial tideland caused by the action of ocean waves are reduced, so that long-time stability can be obtained, and a property of coexistence with the nature and the scenery of the sea area are improved.

SOLUTION: In the tideland breakwater 1, a breakwater 3 is installed in the offing at a proper di...

PROBLEM TO BE SOLVED: To provide a magnet switch capable of preventing a base constituting a fixed magnetic core and a disk formed by laminating thin plates from coming off, and reducing the bend of the disk.

SOLUTION: In the magnet switch 1, the thin plate 32 among a plurality of the thin plates 32 to 35 constituting the disk 30 of the fixed magnetic core 26 is retained to the outer circum...

PROBLEM TO BE SOLVED: To provide a sealing device for a sensor mounting hole capable of preventing oil inside a vessel from leaking to the outside when mounting a sensor.

SOLUTION: This sealing device for the sensor mounting hole is composed of an outer ring part 15a to which a rubber packing 15 composed of an elastic body is attached and which brings the rubber packing 15 into contact with...

PROBLEM TO BE SOLVED: To provide a stopping structure for a seal plug in an automatic transmission capable of preventing the seal plug from coming out while reducing cost and ensuring assembly property.

SOLUTION: The seal plug 80 can be fastened at the same position relative to a plug fit-in part 56 even if load Z composed of a radial component X and a rotation direction component Y acts on...

PROBLEM TO BE SOLVED: To provide a structure of a driving device capable of improving the sealing efficiency of a lubricant filled in a planetary gear reduction mechanism and capable of improving the durability of a sealing member in the driving device equipped with a reduction gear mechanism and a driving motor in a casing.

SOLUTION: In a second case 30, the sealing member 19 for sealing t...

PROBLEM TO BE SOLVED: To provide a branch fitting capable of absorbing extension and contraction of a resin pipe in accordance with changes of temperature, maintaining connection with the resin pipe stably or realizing firm connection with the resin pipe, and ensuring strength of a branch pipe for connecting an external device or a branched pipe.

SOLUTION: A collar part 22a formed on the br...

PROBLEM TO BE SOLVED: To provide a branch fitting capable of absorbing extension and contraction of a resin pipe in accordance with changes of temperature, while maintaining connection with the resin pipe stably, and ensuring strength of a branch pipe for connecting an external device or a branched pipe.

SOLUTION: A collar part 22a formed on the branch pipe 22 is locked into an inner face o...

PROBLEM TO BE SOLVED: To provide a compact planetary gear speed reducer comprising a carrier body bearing and an output shaft bearing each having a smaller size for improving the supporting rigidity of an output shaft and supporting a first carrier body and for supporting the output shaft integrated with a second carrier body, respectively, while balancing loads on the two bearings supporting a...

PROBLEM TO BE SOLVED: To provide a cove for the piping capable of attaching and removing easily.

SOLUTION: A ring-shaped member 15 is attached on a recessed step part 41 of a joint part 31 for the piping 30 and a cylindrical part 17 for a cover member 16 is engaged to the joint part 31 for the piping 30. A guide member 25 extending from the ring-shaped member 15 which is attached in advance...

PROBLEM TO BE SOLVED: To provide a liquid heater of low energy loss which starts in a short time at start time of a supply water supplying action even in the case that the supply water supplying action is conducted under a circumstance where temperature of liquid in a storage means is low.

SOLUTION: In the liquid heater 1, a main body part 2, a combustion part 3 and a muffler 4 as well as s...

PROBLEM TO BE SOLVED: To provide a liquid heater, with a heat exchange means for heating clean water at outside of a storage means, capable of minimizing a period of time required for the temperature of clean water to reach a predetermined temperature when restarting to heat and supply the supply water after stopping to heat and supply the clean water.

SOLUTION: In the liquid heater 1, a ma...

PROBLEM TO BE SOLVED: To provide a survey instrument for a reactor which detects the hydrogen concentration in a member of an object to be surveyed, such as a fuel assembly in a nondestructive manner to analyze and evaluate it, without mechanically or physically damaging the member.

SOLUTION: This survey instrument has the object to be surveyed, such as an irradiated fuel assembly 11 that i...

PROBLEM TO BE SOLVED: To provide an inexpensive radar system capable of determining precisely a kind of an object, using a monopulse type radar for executing wide angle two-dimensional monitoring.

SOLUTION: Reflected waves in a plurality of portions on the object moving within a monitoring area are received using the radar system adopting a monopulse type for measuring an angle, to measure ...

PROBLEM TO BE SOLVED: To provide an aerodynamic force measuring instrument and an aerodynamic force measuring method capable of measuring precisely aerodynamic force acting on a rotor.

SOLUTION: This aerodynamic force measuring instrument 1 is an aerodynamic force measuring instrument capable of measuring the aerodynamic force acting on the rotor 4, and includes an air duct device 2 capable...

PROBLEM TO BE SOLVED: To provide a stereoscopic image recording body by which the stereoscopic information of a body to be recorded is accurately recorded so as to show the body to be recorded like a real one further.

SOLUTION: Linear images obtained by dividing a plurality of parallel projected images from different directions A to E into the shape of a strip are successively dividedly rec...

PROBLEM TO BE SOLVED: To improve safety when performing maintenance of a storage type auxiliary power source part detachable from an apparatus main body or its periphery in an image forming apparatus including the auxiliary power source part.

SOLUTION: The image forming apparatus is provided with a DC power source part 3 for supplying power to a reader part 300, an auxiliary power source pa...

PROBLEM TO BE SOLVED: To provide a method and an apparatus for manufacturing a cylindrical electrophotographic member, excellent in mass-productivity and capable of improving vibration performance of a cylindrical member to be used for an electrophotographic system.

SOLUTION: The manufacturing process of a cylindrical electrophotographic member having a sliding member 27 coupled to both end...

PROBLEM TO BE SOLVED: To provide a developing device capable of performing a stable image formation hardly causing a density difference with a simple configuration.

SOLUTION: The developing device has: an image carrier 10 which has an electrostatic latent image formed on its surface; a developer carrier 20 which is applied with a specified developing bias to form a thin layer of a developer...

PROBLEM TO BE SOLVED: To obtain an appropriate method for adjusting the position of an imaging optical system by which the range of depth of field is not varied and a stable image is obtained by restraining variation in setting the position of an imaging optical system used for a wavefront coding imaging system relative to an imaging device.

SOLUTION: In the method for adjusting the positio...