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5347771 High damping device for seismic response controlled structure  
A hydraulic cylinder type high damping device in which a cylinder member or a piston rod member is connected to the frame of a structure and the other member is connected to an...
5347772 Vibration suppressing structure  
A vibration suppressing structure including a main structure and a vibration suppressing section disposed in an upper portion of the main structure which is provided with an auxiliary structure...
5339580 Laminated rubber building support and vibration damping device  
A plurality of laminated rubber or rubber-like elastoplastic ring-configured pads vertically stacked and secured together to provide seismic damping for a building structure. The laminated pads...
5331786 Knockdown earthquake brace for residential garage front wall  
A lightweight steel/wood earthquake brace for existing or new residential garage front wall. In the preferred embodiment, folded sheet metal legs are bolted together to form a rigid L-bracket....
5325642 Geodesic hazardous waste containment building  
A Geodesic Hazardous Waste Containment Building provides a means for the long term isolation of toxic waste from the environment. The invention comprises a primary containment sphere, a...
5324117 Laminated rubber bearing  
A laminated rubber bearing comprising a columnar-shaped viscoelastic body 5, a plurality of viscoelastic members 4, and an external binding body 1 disposed in the periphery of these components....
5321923 Antivibration actuator  
An antivibration actuator which alleviates vibration applied to a machinery or a building accommodating the machinery to protect the machinery and building from earthquake or other external...
5311709 Variable damping device for seismic response controlled structure  
A hydraulic variable damping device for installation in the frame of a structure to control vibrations while evaluating the damping property of the structure during seismic disturbances. Control...
5310156 Earthquake-proof leg support structure of electronic apparatus  
An earthquake-proof leg support structure (10) of an electronic apparatus comprising a leg (12) vertically downwardly extending from the outer case (1) and a dish-shaped leg support seat (20) to...
5303524 Earthquaker protection system and method of installing same  
A system for protecting a building or piece of equipment against the forces generated by an earthquake is characterized by one or more approximately horizontal interfaces having sliding means...
5295337 Isolation element and the use thereof at an isolation arrangement  
The present invention concerns an isolation element for the isolation of vibrations and/or heat, which propagate/s in a medium such as soil, as well as the application of isolation element in an...
5272847 Long period pendulum damping equipment  
A long period pendulum damping equipment having right and left pair of longer rods, right and left pair of shorter rods and a tie beam connecting these longer rods and shorter rods one another, in...
5271197 Earthquake resistant multi-story building  
The present invention provides an earthquake resistant multi-story building which is characterized by having an energy concentration story. The energy concentration story has an elasto-plastic...
5265392 Aseismatic support for constructions subject to high thermal deformations  
An aseismatic support includes a mass of silicone gel disposed between supported and supporting portions. The silicone gel is plastically deformable under slow movements such as those induced by...
5261200 Vibration-proofing device  
The present invention relates to a vibration-proofing device which supports an upper structure, such as a building, computers and other machines or a floor having such machines mounted thereon, on...
5259159 Construction having a damping device  
A construction having a damping device for damping vibration having steel wire cables 20 having both ends fixed on the sides of the building 10, the steel wire cables 20 are tautly and obliquely...
5257483 Reinforcing tie between roof rafter and building  
A tie extends from the lower end of a roof rafter to the building and temporarily supports the roof rafter during times of expected high loads, such as during hurricanes. The tie is a metal strap...
5255764 Active/passive damping apparatus  
A damping apparatus for large structures operable both passively and actively is disclosed which comprises a passive type damping mechanism to be mounted on the structure and including an added...
5256223 Fiber enhancement of viscoelastic damping polymers  
A Viscoelastic medium with fibers dispersed throughout eliminates the need for a constraining layer, thus reducing the size and weight of a damping treatment.
5245807 Vibration suppressing apparatus for a structure  
A weight is disposed in an arbitrary story of a structure so as to be movable relative to a direction of motion of the structure. Rotary members are supported in the weight. Rigid members meshing...
5239789 Vibration damping system  
A vibration damping system adapted for use on top of a structure, comprises: a weight disposed on the top of the structure in a manner such that it can undergo simple harmonic oscillation; an...
5233800 Earthquake-proofing device of peripherally restraining type  
The present invention relates to an earthquake-proofing device wherein a superstructure is placed and supported for horizontal movement on a foundation structure so as to increase the natural...
5215382 Isolation bearing for structures with transverse anchor rods  
An isolation bearing for structures includes interlocking channels arranged in pairs of rows in which adjoining pairs of rows can be aligned or staggered. A transverse anchor rod controls the...
5201155 Seismic isolating bearing  
A seismic isolating bearing for supporting a building on a foundation includes a laminated body adapted to be interposed vertically between the upper and lower structures. The laminated body...
5195716 High stability aseismic bearing  
A high stability bearing includes two or more plates each of which has three or more disc shaped bearings mounted on or formed integrally with a surface or surfaces thereof, the disc shaped...
5182888 Earthquake-proofing device of peripherally restrained type  
An earthquake-proofing device of peripherally restrained type including a laminate constructed by alternately laminating rigid plates and rubber-like elastic plates, the laminate being formed with...
5181356 Earthquake resistant building support system  
A building support system that resists horizontal forces resulting from earthquakes. Each support or group of supports is positioned on a horizontal planar base which allows limited horizontal...
5177915 Elasto-plastic damper  
An elasto-plastic damper adapted to be used in a structure for absorbing vibration energy created by earthquake tremors and other ground vibrations. The damper is formed from flat plates to...
5174082 Anti-seismic shields  
This invention relates to shields for protecting a civil engineering work from the destructive effects of earthquakes. A shield according to the invention comprises a plurality of individual...
5173012 Ground-borne noise and vibration damping  
A ground-borne noise and vibration damping system in which is a track bed formed with rails for a railway vehicle and generating noise and vibration, a structure is to be protected against the...
5168967 Dynamic damper and method for detecting malfunction of dynamic damper  
Disclosed is a dynamic damper which is to absorb building vibrations in any horizontal directions, not restricted to one direction. For example, it comprises an oscillating body which is held to...
5168673 Method and apparatus for damping vibrations  
The invention discloses methods and apparatuses for vibrational energy removal in a structural system. Sensors in the structure determine the vibration modal energy content of the structure only...
5163256 Elasto-plastic damper for structure  
An elasto-plastic damper to protect a building from destructive impact of seismic tremors and/or high winds. The damper is a cylindrical shaft with a constricted waist portion adapted to yield...
5161338 Laminated rubber support assembly  
A laminated rubber support assembly which earthquake-proofs buildings. It comprises a plurality of rigid plates arranged to alternate with rubber-like elastic plates and adapted to support a heavy...
5152110 Damping system for structure stabilization system  
A damping subsystem protects a structure from the effects of seismic disturbances and employs at least a first pair of first and second damping and transformation mechanisms including respective,...
5148642 Antiseismic steel structural work  
In antiseismic steel structural works of the frame type or of the truss type, which are constituted by columns and by girders fastened to the columns, the girders of different shapes show, at...
5147018 Cylinder lock device for use in structure  
A hydraulically-operated piston device installed between the frame of a structure and a vibration-resisting element provided separately from the frame varies the rigidity of the frame by changing...
5134818 Shock absorber for buildings  
This invention relates to a support for a building or structure. The support consists of an outer container, typically of square or circular cross section. A movable assembly having a variable...
5131195 Earthquake-resistant insulator for buildings  
Earthquake-resistant insulator for buildings includes two separate single-block units made form a hard, rot-resistant material having a high resistance to abrasion for connection to a the...
5115615 Floor vibration-damping apparatus  
A floor vibration-damping apparatus damps a horizontal vibration of a floor based on an earthquake or the like. This apparatus comprises a movable supporting portion for supporting a floor with...
5111543 Bed with foldable earthquake protective cover  
A foldable earthquake protective bed comprises a support frame (10) and two moveable members (20 and 22) pivotally attached to the support frame (10) and capable of being pivoted between a folded...
5107634 Actuator and system for controlling vibration of structure  
A vibration control system for a structure comprises an actuator connected in a truss structure as a structural member, for varying an axial stiffness in response to a control signal, at least one...
5097547 Vibration absorbing device for structure  
A vibration absorbing device to be secured between structural and non-structural members of a framed structure. An outer ring may be secured to a structural member and an inner ring is...
5090166 Rectilinear building structure  
An improved rectilinear building structure using diagonal tension members to resist racking to improve the tolerance of transitory transverse loads such as those that are produced by seismic...
5085026 Conical seismic anchor and drill bit for use with unreinforced masonry structures  
A process for attaching a seismic anchor to a wall of an unreinforced masonry structure includes the steps of drilling a generally frusto-conical cavity into the wall, and securing a seismic...
5085539 Method and arrangement for influencing the interaction between a layer of earth and a structure situated in association with the layer of earth  
The present invention relates to a method and an arrangement for influencing the interaction between a layer of earth and a structure situated in association with the layer of earth. What is...
5083404 Earthquake support for structure having bottom beams  
A support to provide earthquake resistance for structures, such as a mobile home, which have a long metal bottom beam on the underside of the structure, can be provided by a system of long wooden...
5081806 Building structure foundation system  
A foundation system for buildings and other structures absorbs both horizontal and vertical displacement from seismic earthquakes. The system comprises a fixed support base with a hardened three...
5078529 Seismic expansion joint cover  
A seismic expansion joint cover comprises a pair of elongated frame members, each of which is adapted to be secured to a building member, one on one side of an expansion gap and the other on the...
5075857 Unmanned compliance monitoring device  
Unmanned compliance monitoring device, data communication network and transaction processing apparatus for monitoring earth tremors, collecting and reporting seismic data profiles and calculating...