Matches 1 - 50 out of 177 1 2 3 4 >


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8136317 Assembly for straightening a basement's wall  
An assembly for straightening a basement's wall, the basement having a floor and being covered by joists which are spaced from each other on center distances to define interstitial cavities and are...
8127904 System and method for tuning the resonance frequency of an energy absorbing device for a structure in response to a disruptive force  
The invention is a system and method for automatically adjusting the resonance frequency of an energy absorbing device in response to a disruptive force. By configuring an energy absorbing device...
8117788 Energy dissipating assembly for frame walls  
Lateral motion devices are used in conjunction with relatively rigid shear assemblies to further dissipate shear forces on frame construction buildings. In one embodiment, the lateral motion device...
8104236 Isolation platform  
The present invention provides a platform for supporting various equipment and/or structures which assists in isolating such structure from vibrations external to the platform. Generally, the...
8015760 Seismic isolation access floor assembly  
An access floor assembly includes a base floor, a substructure mounted to the base floor, a bearing plate, formed with a first cavity, mounted to the substructure and disposed apart from the base...
8011142 Sliding pendulum seismic isolator  
A sliding pendulum seismic isolator (1) comprises a lower sliding element (2) provided with a concave surface (2a) facing upwards, an upper sliding element (3) provided with a concave surface (3a)...
8001734 Moment frame links wall  
A lateral bracing system having high initial stiffness and including yield links capable of effectively dissipating stresses generated within the lateral bracing system under lateral loads.
7921604 Storm proof aluma-foam housing unit  
An aluminum-foam structural housing unit that is storm-proof, self-contained, and built to withstand natural disaster conditions resulting from hurricanes, tornadoes, earthquakes, and fire, and...
7886489 System for buffering horizontal acceleration acting on structural member and position returning unit  
A position returning device rollers for absorbing a horizontal force acting on a structure are provided between a foundation and a structure. A force from an earthquake is absorbed as the rolling...
7856765 Seismic damper  
A seismic damper includes upper and lower brackets, and a link mechanism. The upper bracket is formed with an upper hole. The lower bracket is formed with lower and intermediate holes. The link...
7856766 Seismic isolation device  
To provide a seismic isolation device, even if a relative height between friction plates, which are laminated in a hollow part of a laminated rubber body, and the laminated rubber body changes at a...
7814712 Shock suppressor  
A shock suppressor has a first base, a second base, a sliding holder assembly and a connecting device. The first base has an elongated first sliding channel in a first direction. The second base is...
7797886 Seismic damper  
A seismic damper includes upper and lower brackets, and a link mechanism. The upper bracket is formed with an upper hole. The lower bracket is formed with lower and intermediate holes. The link...
7774996 Frictional damper for damping movement of structures  
The invention is a damper and a method for protecting buildings and similar structural systems from dynamic loading such as loading caused by earthquakes, strong winds or machine vibrations. More...
7765746 Tornado resistant dome house  
A tornado resistant dome house. The shape of the dome house is a spheroid section, and is given by a formula. The dome house shell is made up of a plurality of tiles formed to conform to the shape...
7757441 Apparatus for isolating and leveling a machine foundation  
An apparatus for isolating and leveling a machine foundation with respect to a substructure of a building or the ground. The apparatus of the present invention provides an enclosure connectable to...
7743563 Seismic energy damping system  
A seismic energy damping system with plural redundancy for a building or structure subject to seismic perturbation (i.e., deflection of the building structure) includes a distributed plurality of...
7716881 Shock suppressor  
A shock suppressor has an upper base, a lower base and a connecting device. The upper base has a bottom and a top channel defined in the bottom along a first direction. The lower base corresponds...
7707787 Damping device and method for setting natural frequency of damping body in the damping device  
Installed on a top of a structure (1) is a base stand (11) against which damping body (3) movably rests via a linear guide mechanism (12). Mounted between the damping body (3) and the structure (1)...
7584578 Seismic energy damping apparatus  
A seismic energy damper includes a pair of structure members subject to relative motion during a seismic event, and a pair of friction washers each fixed to a respective one of the structure...
7565774 Seismic isolation apparatus  
A seismic isolation apparatus features damping characteristics equivalent to or better than prior art, without burdening the environment. In this seismic isolation apparatus, a cylindrical cavity...
7547142 Self-centering sliding bearing  
A bearing assembly having upper and lower bearing seats and a sliding load bearing member between the seats. The sliding member is fitted with an elastic self-centering element. The assembly in...
7540117 Vibration isolation system for building  
A vibration isolation system for building, comprising a vibration isolation layer, the vibration isolation layer including: an upper layer structure consisted of upper beams and/or slabs and...
7530555 Damping assembly for a construction  
A damping assembly includes a supporting base, a stainless steel layer having an arcuate slippery top face mating to the arcuate top face of the supporting base, a polytetrafluoroethylene layer...
7513083 Rotating concentric holdown  
A connection between a wall stud or post and an anchor bolt embedded in a concrete foundation, using a holdown connector that attaches to the anchor bolt and supports the wall stud or post above...
7409799 Anti shock device  
An anti shock device has a base plate and a top plate, at least one pair of support racks are mounted between the top plate and the base plate. At least one adapter is mounted between the support...
7367075 Girder bridge protection device using sacrifice member  
A girder bridge protection device. The girder protection device includes a sacrifice member having girders installed on an upper surface of a bridge seat of an abutment or pier to support a bridge...
7340864 Elastic supporter, elastic support unit and seismic support unit using same  
Elastic support units are provided to at least one of upper and lower track rails of a seismic isolation guide. The elastic support units include two elastic supporters that are superposed one over...
7337586 Anti-seismic device with vibration-reducing units arranged in parallel  
An anti-seismic device is adapted to absorb the vibration energy of a structure, and comprises a plurality of vibration-reducing units, each of which includes a mass, a hydraulic cylinder, and a...
7338035 Foundation shock suppressor  
A shock suppressor has at least two sliding units stacked in an alternate manner, and each sliding unit consists of a moving base, a connecting base and at least one rod. The connecting base is...
7290375 Seismic isolation access floor assembly  
An access floor assembly includes a base floor, a substructure mounted to the base floor, a bearing plate, formed with a first cavity, mounted to the substructure and disposed at an elevated...
7267319 Low-friction slide-plates for rotary machines  
A mounting arrangement for use at an interface between a movable machine component and a stationary foundation includes a substantially planar foundation plate adapted for attachment to the...
7243466 Anti-seismic system  
The present invention provides a system and method for protecting buildings from damage due to seismic waves. The system comprises a bed of sand contained between two layers of polymer membrane,...
7237364 Foundation shock eliminator  
A foundation shock eliminator includes an upper block, a lower stationary base, an interconnecting assembly and an energy damping coating. The lower stationary base is mounted under the upper...
7188452 Sleeved bracing useful in the construction of earthquake resistant structures  
A buckling restrained brace includes an elongate, hollow sleeve, an elongate yielding core extending substantially through the length of the sleeve, and a buckling constraining element between the...
7174679 A-frame shear assembly for walls  
Lateral motion devices are used in conjunction with shear assemblies to further dissipate shear forces on buildings. In one embodiment, the lateral motion device is interposed between the shear...
7107728 Apparatus for the storage of hazardous materials  
The invention provides a stabilizing device for inclusion in a stack of containers in which hazardous waste is held, wherein the stabilizing device comprises a table for supporting a container in...
7069158 System and method for analyzing structures subjected to catastrophic events  
A computer-implemented system and method for analyzing a structure subjected to a catastrophic event. Based on linear elastic input data, the system automatically determines non-linear hysteretic...
7028433 Aseismatic device  
An aseismatic device applied to an overhead hoist transport (OHT) system in a fab has a spring pin and a positioning ball installed in a cavity of a first platform. The spring pin has at least a...
7017312 Two-piece clinched plate tension/compression bracket  
A two-piece bracket adapted to resist forces in both tension and compression. The tension/compression bracket is formed from stamped, plate steel and is preassembled by clinching or with structural...
6966154 Earthquake protection consisting of vibration-isolated mounting of buildings and objects using virtual pendulums with long cycles  
The invention relates to an earthquake protection system that is entirely immune to seismic activity. According to the inventive method buildings and other objects are supported by Virtual...
6951083 Directional sliding pendulum seismic isolation systems with articulated sliding assembly  
A bi-directional sliding pendulum seismic isolation system for reducing seismic force acting on a structure by sliding pendulum movements, each system comprising a lower sliding plate forming a...
6874748 Active floor vibration control system  
An active vibration control system for controlling excessive or unwanted vibrations in floors or other structures. The system has three main components: (1) velocity sensor w/signal conditioner;...
6848223 Seismic cask stabilization device  
An apparatus and method for stabilizing a spent nuclear fuel containment cask so as to prevent tipping under design basis earthquake conditions. In one aspect, the apparatus comprises a lamina and...
6826873 Aseismic system  
The Improved Aseismic System of the present invention isolates a structure from seismic forces, and wind forces and seismic forces combined. During an earthquake the structure will slide on seismic...
6820380 Structure of an anti-shock device  
An improvement in the structure of an anti-shock device utilized for buildings, important structures and bridge structures that are made of a base, a carrier, a slide block, and a plurality of...
6799400 Earthquake shock damper  
An earthquake shock damper includes two positioning plates, two fixing plates and multiple energy absorbing plates securely sandwiched between the two positioning plates and having the two fixing...
6739568 Apparatus for isolating and leveling a machine foundation  
An apparatus for isolating and leveling a machine foundation with respect to a substructure of a building or the ground. The apparatus of the present invention provides an enclosure connectable to...
6675539 Roof seismic motion-absorbing gap cover  
A seismic roof motion-absorbing gap cover assembly includes an elongated y-axis slideway affixed to a building unit B on one side of the gap and extending parallel to the gap and a y-axis slider...
6631592 Fail-safe device  
The invention concerns fail-safe devices for use in reinforced concrete structures. The device (1) comprises a link (8) of high tensile strength material and first (2) and second (3) end regions....
Matches 1 - 50 out of 177 1 2 3 4 >