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5797227 Structure stabilization system  
A stabilization system protects a structure, comprising at least a slab and having a foundation formed in the earth, from the effects of seismic disturbances. Pendulum support elements, secured at...
5791097 Earth tremor suppressing cable suspension system for buildings bridges and homes  
A method of supporting structures, embodied as a multiple telescoping pier, multi-point, interconnected cable and pulley supple support mechanism especially for use on prefabricated buildings,...
5782043 Seismic correction system for retrofitting structural columns  
A system is provided for relieving the downwardly acting load on a structural column, such as a reinforced concrete column supporting a roadway, bridge, overpass, or other massive structure....
5775038 Fixed point seismic buffer system  
A seismic damping system for a building structure, comprises a foundation for supporting a structure, a fixed anchor disposed in an accessible position centrally of the foundation, and damping...
5771642 Earthquake survivable platform for elevated structures  
An free standing platform for enabling elevated structures to survive earthquakes in which the columns supporting the elevated structure rest and float on platforms positioned between the columns...
5765313 Method and apparatus for real-time structure parameter modification  
A method and apparatus for structural deflection control, as well as associated sequential controls that are based on new control laws. The apparatus of this invention is of relatively low cost...
5765322 Seismic isolation apparatus  
A seismic isolation apparatus which has a composite multilayered member comprising a plurality of hard plates having rigidity and a plurality of soft plates having viscoelastic property which are...
5765818 Vibration damping structure for use with a machine tool  
A vibration damping structure for a machine tool is provided. The structure includes first and second plate members disposed in an opposing spaced apart relationship with one another. A cast...
5761856 Vibration isolation apparatus  
A vibration isolating apparatus (5) includes: an elastic body (3) in which elastic material layers and rigid material layers are alternately superposed one on top of another; and a cylindrical...
5758455 High pressure servo-mechanism control system for civil or architectural structure  
The present invention relates to a high pressure servo-mechanism to be installed in a civil or architectural structure to alleviate dynamic reaction of the protected structure and to prevent the...
5740652 Method of installing seismic damping wall  
A method of installing a seismic damping wall where the seismic damping wall is attached to the upper floor beam prior to installing the upper floor beam. A hanging plate is placed in the chamber...
5737784 Protective bed frame with earthquake shelter  
A bed frame to protect a person during a calamity is constructed from generally horizontal upper and lower subassemblies secured to two generally vertical end supporting subassemblies. The...
5740216 Vertical seismic isolation structure of common deck system for nuclear reactor components  
A vertical seismic isolation structure is capable of achieving vertical seismic isolation of nuclear reactor components connected to each other by primary pipings, while suppressing the relative...
5732802 Method of damping vibration of structure  
Vibration of a structure is damped using vibration damping mechanisms. Each vibration damping mechanism has a first plate rotatably mounted on a pair of first pivot shafts respectively mounted on...
5727663 Method for strengthening structures against damage from seismic forces  
A seismic shock isolator and method of strengthening structures against seismic shock is disclosed. The shock isolator includes a cylinder having a damping chamber and an accumulator chamber and a...
5718095 Method and device for attenuating vibration  
A vibration attenuation device comprises a first section and a second section, each section comprising an insulating material such as rubber. The first section and the second section are aligned...
5713163 Vibration damping apparatus  
A vibration damping apparatus includes a frame having a rail member and end plates at longitudinal ends of the rail member. The frame is a hollow box-shaped element or a hollow tubular element....
5713162 Aseismatic system for constructions such as buildings, dry bridges, tanks and like  
An aseismatic system for constructions such as buildings, bridges, tanks and like comprising abutment/decoupling means for the deck structure from the piers or for the building from its foundation...
5709054 High wind window brace  
A window brace includes a vertically disposed pole to which is coupled one or more braces, each of which includes a pad bearing against a portion of a surface of unsupported glass. Each pad...
5699643 Floor support for expansive soils  
A floor is supported above an area of expansive soil by foam blocks defining an elongated channel along a top surface of the foam block. A plurality of supports attached to a bottom surface of...
5689919 Base isolated building of wind resisting type  
A house 2 is isolated from the foundation 1 by a rolling bearing 3. A vibration control device 6 with a releasable rigid connector 5 is added in parallel to the rolling bearing 3. Further, a...
5682712 Steel-rubber seismic isolation bearing  
A seismic isolation bearing for bridges, buildings and machines with steel reinforced rubber body and external or internal tapered steel pin uniform yielders. The pins are fixed to load plates and...
5675943 Lateral load-resisting structure having self-righting feature  
The constructability of a concrete structure is facilitated by providing pre-assembled, modular frame units formed of steel or concrete beams and columns. Reinforcing bars have their opposite ends...
5671569 Seismic response controlled frame of bending deformation control type  
In a multi-storied frame building, a controlled frame member having means to damp seismic forces of deformation. A first vertical wall column has a top connected to a horizontal wall girder...
5671984 Exhibition apparatus  
A protective member is disposed in a contracted state thereof within an exhibition case for an exhibition apparatus. When a larger shaking of the exhibition case than a predetermined level is...
5669189 Antiseismic connector of limited vibration for seismic isolation of an structure  
The present invention is related to an antiseismic connector of limited vibration for safe isolation of structures from earthquakes and other ground excitations, and for safe vertical...
5666770 Vibration damping equipment  
A mass supported on a structure is driven by an actuator such that it moves in a direction of a vibration of the structure. A mechanism for detecting state variables relating to the vibration of...
5664389 Method and apparatus for building construction  
A frame structure is strengthned against earthquake shock and disastrous winds by extending some of the foundation rebars above the foundation walls and clamping on extension lengths of rebar and...
5660017 Steel moment resisting frame beam-to-column connections  
A steel moment resisting frame (SMRF) connection connects a vertical column to a horizontal beam. It is useful in both original and retrofit construction. A primary trunk assembly is comprised of...
5660007 Stiffness decoupler for base isolation of structures  
A stiffness decoupling assembly (22) is provided for the protection of buildings or other structures (20) subject to earthquakes, in order to prevent collapse or catastrophic failure of such...
5653062 Blast protective structural system  
A manufacture to protect a building from destructive explosions, having a number of sliding connectors, each connector comprises a massive housing rigidly coupled to a structural frame of the...
5653070 Self-stabilizing system for rack-mounting equipment  
A self-stabilizing system to protect sensitive equipment housed in a rack from shock forces emanating from the structure or foundation on which the rack is placed. The system includes a chassis...
5638655 Chimney anchor system  
An improved chimney anchoring system to help support the chimney in the event of an earthquake. The chimney anchoring system uses several elongated steel straps which are affixed at one end to the...
5630298 Shear link energy absorber  
A shear link energy absorber comprises a base plate, an I-shaped beam, a fixture, at least one connecting plate and a plurality of bolts. The I-shaped beam has a pair of flange plates and a web...
5628156 Moment resisting frame having cruciform columns and beam connections and method for use therewith  
A moment resisting frame comprising a vertical column having a cruciform shape in cross section and having first and second vertically extending surfaces extending at an angle and being disposed...
5620038 System for bracing garage door against hurricane force winds  
A garage door bracing arrangement for reinforcing the entire vertical extent of a multi-panel garage door against high velocity (e.g. hurricane-force) winds is comprised of a plurality of...
5613400 Ball screw device with resonance preventing means for a screw shaft and table drive device including the same  
A ball screw device includes a screw shaft including a hollow hole, a vibration controlling mass member inserted into the hollow hole, a rubber member or a synthetic resin member which is...
5613330 Support pillar system for a magnetically-shielded room  
A support pillar system for a magnetically-shielded room including several support pillars, each support pillar including a nested structure formed by a first structure and a second structure...
5610962 Construction of nuclear power plants on deep rock overlain by weak soil deposits  
A nuclear power generation complex constructed on a stratum of rock overlain by soil deposits. All major structures in the power generation complex (i.e., reactor, turbine, radwaste and control...
5605021 Earthquake-proof building  
Earthquake-proof building, characterized in that it is composed of a circular horizontal base structure (1) obtained by joined-together elements juxtaposed along radii, a vertical storey structure...
5600923 Safe core building  
A building has an exterior shell with exterior walls and a roof, defining an interior space. There is a fire resistant, structurally supportive core within the interior space. The core is...
5597239 Spheric cap bearing device for safely connecting elements of bridges, viaducts, buildings and the like  
The present invention relates to a spheric cap bearing device for safely connecting elements of bridges, viaducts, buildings and the like, which comprises a bottom element, in which there is...
5597240 Structural bearing  
A structural bearing including a first, rigid-support member for mounting on a structure on which the bearing is supported; a layer of first elastomeric material mounted on top of the first...
5595372 Semi-active vibration mitigation assembly  
A semi-active vibration damping assembly for suppressing structural vibrations. The damping assembly includes a double rod hydraulic cylinder having a first fluid chamber and a second fluid...
5595040 Beam-to-column connection  
A beam-to-column connection is suitable for connecting an H-beam to a column surface. The connection is defined at an end of the H-beam which has a web plate and a pair of flange plates. The...
5592791 Active controller for the attenuation of mechanical vibrations  
A plural orthogonal feed forward control system with an actuator system for installation on an upper floor or area of a building as an integral part of a building's structural supports to control...
5590506 Earthquake-resistant architectural system  
A system for supporting an architectural element such that the supporting structure resists unexpected, infrequent shocks such as might be encountered during an earthquake or other disaster and...
5588265 Earthquake protective structure  
An earthquake protective structure (10) that consists of a first side section (12), a second side section (14), an upper section (16) that is attached to the upper ends (12A,14A) of the two side...
5575024 Earthquake protective bed  
The present invention is a bed comprising a mattress which, in the event of an earthquake, is mechanically lowered into its rectangular frame. The movement caused by the earthquake further causes...
5576971 Apparatus for displaying damping effect or base isolation effect  
An apparatus for visually or audibly displaying swinging reducing effect in a structure with a damper or a base isolator, which reduces swinging of building structure during earthquake and...