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5573220 Adjustable vibration absorbing machinery foundation mount and method for tuning the same  
A heavy duty vibration absorbing and leveling machinery foundation mount and a method for tuning the same, the mount consisting of a rigid horizontal platform having a plurality of vibration...
5568705 Earthquake resistant mounts for buildings and constructions  
An earthquake resistant mount is made up of two monoblock elements of a hard rotproof material possessing great resistance to abrasion for supporting buildings and constructions. The earthquake...
5564237 Earthquake resisting support construction for structures  
An earthquake resisting support construction which supports a structure at a required position on the surface of ground having a bearing capacity of soil large enough to withstand the weight of...
5560161 Actively tuned liquid damper  
The invention concerns the use of actively tuned liquid dampers to quench vibrations in large civil structures. Such vibrations may be induced by earthquakes or high winds. The effective length of...
5560162 Seismic brake  
A seismic brake assembly comprises an annular pipe journaled through a gripping block which frictionally engages the pipe about the pipe's outer diameter. The force with which the gripping block...
5546711 Base isolator fire barrier system  
A barrier system provides protection for isolators from fire and heat. Insulative panels are positioned about said isolator and are attached thereto and to one another in such a manner so as to...
5544451 Vibration suppression device for a structure  
A vibration suppression device includes a plurality of first elongated linear guides on which a first support table is slidably mounted. A first adjustable damping system is provided for damping...
5544452 Method of and apparatus for damping the vibration of a building  
A passive vibration-damping unit in which movable upper members with a weight mounted thereon are superposed on fixed lower members with roller members interposed therebetween is installed in a...
5542220 Hydrostatic anti-vibration system and adjusting method therefor  
A hydrostatic anti-vibration system includes a main tank provided on a construction to be suppressed from vibrating and having a main tank body of substantially flat rectangular configuration....
5540522 Seismic joint for underwater floating tunnels  
This invention provides a seismic joint for an underwater floating tunnel having: (a) a joint portion (i) having a transverse section essentially the same as that of the tunnel, (ii) being rigidly...
5537790 Seismic bridge  
A seismic bridge for bridging and providing pedestrian access across a seismic joint between two building parts has a first end unit with a floor pivotally connected to one of the building parts...
5533307 Seismic energy dissipation device  
Two energy dissipation devices, each comprising a first plate, a plurality of spaced tapered plates, a plurality of cylinders, a plurality of washers, and a base frame. The devices can absorb...
5517793 System for protecting fireplaces and chimneys from adverse seismic or wind forces  
A system for improving the horizontal fracture resistance of older chimneys and fireplaces comprised of units of brick, stone, and the like, in response to seismic, wind, and other external...
5509238 Multidirectional mechanical device dissipating energy, particularly for the constraint of structures in seismic zones  
A multidirectional mechanical device for dissipating energy, particularly for the constraint of structures in seismic zones, includes a plurality of C-shaped elastic-plastic response elements...
5505026 Aseismatic load-supporting structure for elevated constructions  
This invention concerns an aseismatic steel structure for supporting elevated constructions or works to be interposed between a plurality of reinforced concrete supporting pillars and the lower...
5502932 Method and device of earthquake resistant & energy reduction for high-rise structures  
The "METHOD AND DEVICE OF EARTHQUAKE RESTSTANT NAD ENERGY REDUCTION FOR HIGH-RISE STRUCTURES" includes a methed and device that is applicable to all kinds of high-rise structures and multi-storey...
5503500 Pier support  
A support, for a pier of the type having a base with a bottom surface area and fastener-receiving bores therethrough, generally comprises a panel with plurality of ribs attached thereto as a...
5498094 Double steel pipe structural member  
A double steel pipe structural member comprises an external pipe and an internal pipe. The external pipe is provided with a thin steel pipe part and thick steel pipe parts formed at each of the...
5491944 Embedded unit in a concrete foundation  
An embedded unit for a concrete foundation is used for the fixing of elastic machine bearing elements in the concrete foundation. The embedded unit is constructed from a plurality of rods and...
5491937 Earthquake isolation bearing  
A unitary compound earthquake isolation bearing which permits the installation of a compound bearing comprising a sliding bearing and at least one MER as a single unit without special and separate...
5491938 High damping structure  
A high damping device combined with the frame of a building to protect the building from seismic shock. For seismic vibration up to a predetermined level corresponding to the permissible strength...
5489180 Vibration damping body and method for fabricating same  
A vibration damping construction, which is useful when it is applied to a vibration isolation washer or a pressed construction such as an oil pan, a ventilation buffle plate, etc. for an...
5487534 Laminated rubber vibration control device for structures  
A laminated hollow rubber damper with increased buckling strength and lengthened period of vibration. The buckling strength of a hollow laminated rubber damper is increased by making at least the...
5471810 Buckling-restriction bracing member  
A steel center axis force member passes through a steel buckling-restriction member. A stick preventing coat is disposed between the surface of the center axis force member and the...
5471802 Electromagnetically suspended floating floor apparatus  
An electromagnetically suspended floating floor apparatus in which a floating floor on which machines are set up is suspended from an installation floor with electromagnetic actuators so that the...
5466068 Articulated bearing for heavy loads  
An articulated bearing for the articulated transfer of heavy loads, e.g., from a bridge superstructure to a bearing pad, includes a pot connected to the bearing pad and a cover connected to the...
5462141 Seismic isolator and method for strengthening structures against damage from seismic forces  
A seismic shock isolator and method of strengthening structures against seismic shock. The shock isolator includes a cylinder having a damping chamber and an accumulator chamber and a piston...
5461835 Composite seismic isolator and method  
A composite seismic isolator for a structure having a column or wall to be supported on a foundation comprising first and second seismic isolators having vertical axes. The first seismic isolator...
5461838 Fire barrier  
A fire barrier for use in dynamic voids to seal against the spread of fire. Flexible barrier material is suspended below a lazy tong arrangement spanning the void while the edges of the barrier...
5456047 Friction device for protection of structural systems against dynamic actions  
A friction damper that is able to reduce vibrational motions in two dimensions, can be re-used, is easily adjustable and has an extremely smooth transition between sticking and sliding in...
5452549 Load dissipating and limiting device for application in civil and industrial works having a high strength against seismic effects  
A load dissipating and limiting device for application in anti-seismic works comprises at least an elongated primary member to be connected with its two end portions to two elements of a work...
5452548 Bearing structure with isolation and anchor device  
The present invention is concerned with the improvement of bearings for use in supporting bridges or large-scale buildings. The invention comprises combining the advantages of a conventional metal...
5447001 Vibration control device for structure  
A substantially self-contained vibration control system for building structures. A building has mounted on its roof, or an upper level floor, a hollow concrete-steel first mass carried on high...
5444952 Chimney reinforcing device  
A chimney reinforcing device for increasing the resistance of a brick chimney to destruction during an earthquake. The chimney to be reinforced is of the type which extends above the roof line and...
5444195 Sound insulating device  
A sound insulating device having a shock absorbing mechanism put between an upper material and a lower material, for absorbing vibrational impact sounds wherein the shock absorbing mechanism...
5438806 Composition for vibration damping  
A composition for vibration damping of a structure releasing vibrational energy through its surface is disclosed. The composition includes either a substantially non-homogeneous visco elastic...
5438807 Consumable shock evader  
A manufacture to protect a structure from destructive earthquakes, having a number of slip joints, each joint comprises a consumable-while-sliding vertical cylinder and is rigidly coupled to a...
5433045 Vertical vibration control device  
A device to control vertical vibration of a building caused by seismic disturbance. Air springs are positioned and secured between the building foundation and the building superstructure to...
5421129 Vibration control device for structure  
A seismic vibration control device for structures which employs a combination of primary and secondary vibratable masses to attenuate the vibration of a structure. The primary vibratable mass is...
5400454 Method for supporting a transportation surface  
A method of supporting a transportation surface, such as a vehicular bridge, a railroad trestle or an elevated walkway, that is resistant to unexpected, infrequent shocks such as might be...
5394661 Earthquake resistant biosphere  
A building structure can, in the event of an earthquake, be quickly released to roll freely over the ground. Living quarters are suspended in the building structure. The living quarters remain in...
5383723 Earthquake resistant electronic equipment frame  
Earthquake resistant electronic equipment support frame having vertical frame members and a base. The base is of more massive structure close to the vertical frame members and the more massive...
5382008 Shock absorbing suspension  
A shock absorbing suspension comprises a pair of parallel, spaced mounting plates (12), pairs of counter-rotating D-frames (13). Pair of frames is slidably attached to the inner side of the...
5375382 Lateral force resisting structures and connections therefor  
A force resisting structure for providing lateral support to a structure includes first and second substantially vertical structural members. These structural members each have first and second...
5373670 Shakeproof bearing  
A shakeproof bearing or an earthquake-proofing structure (10) comprises a columnar bearing body (13) and a surrounding high damping elastomer (14). The bearing body (13) includes a stack of rigid...
5363610 Seismic anchor  
An anchor for stabilizing a mobile home during an earthquake or windstorm has a moving post with an attachment plate that attaches to a frame member of the mobile home. The anchor also has a base...
5357723 Vibration damping device  
This invention is intended to provide a vibration damping device having a high degree of freedom of design of damping performance. This device includes rolling bodies (4) interposed between an...
5354126 Earthquake-resistant protective enclosure  
A protective enclosure for a human being is constructed of a series of rigid panels resistant to earthquake forces. A person can crawl into the enclosure through an access opening, after which the...
5353559 Anti-earthquake bearing apparatus  
An anti-earthquake bearing apparatus for bearing the weight of a structure and reducing the vibration energy propagating to the structure by using bearing bodies disposed between the structure and...
5349794 Wall for damping vibration  
A wall comprises at least one pair of connecting members, a plurality of bracings, a wall body, and unbonded layers. The connecting members are erected between a pair of beams, and connected to...