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5074086 Damping device in a structure and damping construction and damping method using those devices  
A damping device has a liquid vessel into which the liquid is injected having the flattening wave motion water surface formed in such a manner that the wave motion direction of the wave motion...
5072570 Seismic reinforcement structure  
A method for providing earthquake reinforcement for existing wood frame buildings by providing two truss members, the first for securing the building to the foundation and the second to prevent...
5071261 Earthquake-bearing  
An earthquake bearing with a spherical ball (26) located between two elastomer layers (18,19) in the shape of half-shells. The elastomer layers each include a cylindrical elastomeric pad. The...
5070663 Damping device for tower-like structure  
A damping device for a tower-like structure, includes a liquid column tube having an arbitrary shape and a pair of opposite upstanding end portions thereof where liquid levels are formed, and an...
5065552 Active seismic response control system for use in structure  
An active seismic response control system includes a variable damping device provided between posts, beams and braces of a structure, wherein the response of the frame is reduced by controlling...
5063716 Hoisting apparatus  
The hoisting apparatus is comprised of a mast (1) consisting of four vertical rods (2, 2', 3,3') two of which have internal spaces accommodating strength members. The rods (3, 3') with strength...
5064155 Tank stabilizer  
A tank stabilizer (6, 50) for an above ground liquid storage tank (8) of the type having one or more bottom supports or skids (10) to support the tank a distance above a support surface (16). The...
5059063 Method of protecting underground structures in ground liable to be liquefied  
A conglomerate layer is formed horizontally on a base of ground which has a high water permeability and easily liquefies. A bottom plate is formed on the conglomerate layer to construct the...
5058338 Energy dissipating device for rendering a structure impervious to seismic occurrences  
An energy dissipating device, particularly for use in structures impervious to seismic occurrences, includes a metal element having the shape of at least a symmetrical double portal, which is...
5056280 Multi-step base isolator  
A manufacture to protect a structure from destructive earthquakes as well as to secure its stability under the strongest possible wind, having a number of ball transfer units rigidly coupled to a...
5054251 Structural shock isolation system  
A structural shock isolation system that may be used in building structure, or in other applications requiring load supporting elements is disclosed. The shock isolation elements of the system are...
5048243 Earthquake restraint mechanism  
An earthquake restraint mechanism helps to prevent the collapse of tilt-up style exterior wall panels (7, 64) of a building (17). The panels are coupled to one another at their abutting joints...
5046290 Safety monitoring device for use in active seismic response and wind control system  
A safety monitoring device is provided for the use in an active seismic response and wind control system for exerting a control force, which restrains the vibration of a structure due to...
5036633 Variable damping and stiffness structure  
A variable damping and stiffness structure is disclosed, which includes a variable damping device provided between posts, beams and braces of a structure or braces serving as variable stiffness...
5035394 Isolator for seismic activity  
An isolator for seismic activity including an upper level for supporting an object to be protected, an intermediate level, and a lower level for attachment to the floor or other structure. An...
5029423 Vibration resistant building construction  
A building that can be constructed quickly in a wide variety of configurations has a sill beam that runs along the perimeter of the building. The plumbing, electrical and other utility needs for...
5025599 Compound seismic response and wind control system  
A combination active and passive mass damping device to attenuate vibrations in a structure caused by seismic and/or wind forces. A mass is actively rendered vibratable by a hydraulic actuator and...
5025600 Isolation floor system for earthquake  
An isolaton floor system for accommodating the effects of an earthquake generally comprises a supporting floor and an isolation floor supported upon the supporting floor so as to be movable in at...
5022201 Apparatus for accelerating response time of active mass damper earthquake attenuator  
A positive vibration suppression apparatus is disclosed, which suppresses vibrations of a building caused by earthquakes or winds by applying a control force to the building. The apparatus...
5018701 Vibration isolating support apparatus  
A vibration isolating support apparatus comprises an air spring in the form of the bellows and a multiple laminated rubber assembly. The air spring and the multiple laminated rubber assembly are...
5016409 Method for restraining response of a structure to outside disturbances and apparatus therefor  
The present invention concerns apparatus for restraining vibration of a structure having at least one natural mode of vibration. The apparatus comprises an enclosure, a main weight, a resilient...
5014474 System and apparatus for limiting the effect of vibrations between a structure and its foundation  
Apparatus for limiting the effect of vibrations between a structure and its foundation having two types of elastomeric load bearing pads. One pad has the capability of absorbing vertically and...
5005326 Structure vibration proofing or suppressing system with differential double lever mechanism  
A vibration proofing/suppressing system including a first rigid member extending and translatable in a first direction, a second rigid member extending parallel to the first rigid member and...
4991366 Vibration isolating device  
A vibration isolating device is provided with an isolator formed by an elastic member of laminated rubber and interposed between the base of a building and its foundation, for supporting the...
4978581 Anti-seismic bearing  
An anti-seismic bearing which comprises a plurality of rigid plates and viscoelastic flexible plates laminated alternately, with at least one of the flexible plates being made of a vulcanizate of...
4974378 Seismic-isolator  
A manufacture to isolate a structure from earthquake motion of a hazardous magnitude and at the same time to secure its stability under strongest possible wind, which comprises: (a) a number of...
4972636 Damping device in a structure  
A damping device has a liquid vessel into which the liquid is injected having the flattening wave motion water surface formed in such a manner that the wave motion direction of the wave motion...
4964246 Rigidity control system for variable rigidity structure  
The present invention contemplates a rigidity control system for a variable rigidity structure incorporating variable rigidity elements, such as braces, for making the connecting condition with...
4959934 Elasto-plastic damper for use in structure  
An elasto-plastic damper is disclosed which comprises either a metal block-like or a metal plate-like damper body, each having a plurality of spaced apart openings extending therethrough to...
4956947 Live tendon system inhibiting sway of high rise structures and method  
A steady beam is focused upon a target member located on a building structure. The target member moves with the deflection of the building structure and the movement of the target is communicated...
4953658 Seismic isolator  
A seismic isolator for absorbing earthquake vibrations is provided which comprises a laminated member arranged to be interposed between a structure and a foundation, the laminated member...
4950528 Anti-seismic rubber  
An anti-seismic rubber is made by laminating a plurality of rigid plates and flexible plates having viscoelastic properties alternatively. At least one of the flexible plates A has elasticity,...
4946128 Homeostatic lifting and shock-absorbing support system  
A shock-absorbing support for a load comprises one or more spaced kinestatic members which support the load. The kinestatic members are supported at points adjacent their ends by supports which...
4942703 Earthquake-proof absorption system for buildings or the like  
An earthquake-proof structure is supported on a foundation by a seismic shock absorption system adapted to isolate the structure from movement of the foundation. The shock absorption system...
4941640 Vibration isolating apparatus  
A vibration isolating apparatus comprises an upper bed which is placed with an object thereon, a lower bed which directly receives a vibration caused by an earthquake, a support mechanism for...
4938633 Seismic isolation systems with distinct multiple frequencies  
A method and apparatus for isolating a building or other structure from smic vibratory motion which provides increased assurance that large horizontal motion of the structure will not occur than...
4924639 Method for restraining vibration of a floor and apparatus therefor  
The present invention provides a method of restraining vibration of a floor and an apparatus therefor.According to the method, a reservoir is attached to the floor which is supported from...
4924640 Vibration controlling apparatus for buildings  
A vibration controlling apparatus for buildings such as high-rise building, tower and the like comprises a laminated elastic body comprised of elastomer layers and reinforcing plates attached to...
4922671 Method for effectively restraining response of a structure to outside disturbances and apparatus therefor  
The present invention is related to a method for restraining response of a structure to outside disturbances such as winds and earthquakes etc. and an apparatus therefor.According to the invention...
4922667 Device and method for protecting a building against earthquake tremors  
A rigidity control device is provided to change the natural resonance of an entire building by varying the rigidity of selected structural members such as pillars, beams, braces or floor and...
4917211 Seismic isolator  
A seismic isolator comprises: a friction device having upper friction plate and a lower friction plate, a friction plane of the upper friction plate and the lower friction plate having a...
4910929 Added damping and stiffness elements  
Disclosed is an added damping and stiffness structural element for use in optimizing the design of buildings and structures subjected to earthquake, wind or other forces that induce vibratory...
4910930 Seismic isolation structure  
A seismic isolation structure for use in conjunction with a foundation of a building which has a plurality of footings and a building which has a plurality of columns. At least one high damping...
4899323 Anti-seismic device  
An anti-seismic device which comprises anti-seismic rubber bearings and dampers arranged in parallel, the anti-seismic rubber bearing being formed by laminating a plurality of rigid hard plates...
4894965 Method for restraining vibration of a building and structure therefor  
The present invention provides a vibration restraining structure comprising a pair of wall members defining an inner space therebetween, separation walls separating the inner space into chambers,...
4887398 Hydraulic buffer to protect buildings against earthquakes  
A hydraulic buffer, filled with a compound having the behaviour of a liquid to a certain extent, mounted beneath the foundation of buildings or other structures in order to sustain the structures...
4887788 Base isolation pad  
A device for absorbing the energy of vibration of one of two abutting members which has begun to vibrate due to forces applied to either of the two abutting members, so as to reduce the frequency...
4883250 Vibration-proof and earthquake-immue mount system  
A vibration-proof and earthquake immune mount system connecting machinery or a structure to a foundation which may be subject to external vibrations or earthquakes. The mount system includes a...
4881350 Anti-earthquake structure insulating the kinetic energy of earthquake from buildings  
An anti-earthquake structure insulating the kinetic energy of earthquake from buildings, which is constructed between a building and the construction site thereof, including a plurality of...
4875313 Device for suppressing vibration of structure  
There is disclosed a device for suppressing vibration of a structure such as building, a bridge and the like. The vibration-suppressing device includes a tank disposed on the structure, a liquid...