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4647258 Arrangement in vibration isolation or vibration damping  
The present invention relates to an arrangement in vibration isolation or vibration damping of vibrations generated in a medium, said arrangement including one or more separate or connectable...
4644714 Earthquake protective column support  
A column support for buildings is presented which protects the building from potentially damaging earthquake ground motions. In each of these column supports the weight of the building is supported...
4640216 Device for reducing vibrations of periscopes  
The invention relates to an apparatus for damping vibrational deflections of periscopes or other vessel devices, which periscopes or other vessel devices extend into an aqueous medium when in use....
4638609 System for reducing the seismic load of tall buildings  
Cables are provided between the foundation and the superstructure and arranged in the vertical cavities of the foundation and the superstructure and, both of their ends are provided with head...
4636113 Landing adjustment system for offshore structures  
A landing adjustment system for offshore marine structures is disclosed herein. The system comprises a plurality of columns extending downwardly from the underside of the offshore marine structure...
4635892 Active vibration suppressor  
An active vibration suppressor for suppressing vibrations in structures, such as buildings, has an actuator attached to the structure and an extendable rod of the actuator attached to a seismic...
4633628 Device for base isolating structures from lateral and rotational support motion  
The device of the invention comprises a set of flat rings which can slide laterally on each other with a central rubber core and/or peripheral rubber cores. In this base isolator device the...
4633629 Modular building structure  
A modular building structure includes a base formed with an upper planar portion, a lower planar portion spaced from the upper portion to define an interior space therebetween and sidewalls...
4630412 Collapse preventing connection device for building structures  
A connection device for building structures preventing progressive collapse. A pull means (1) incorporated in the device is adapted to be connected to a part of the structure by means of a cast...
4617769 Aseismic bearing for bridge structures  
An aseismic bearing is disclosed for use in a bridge structure in combination with a bridge support and/or sliding bearing. The aseismic bearing permits horizontal movement of the bridge's support...
4616884 Structural bearings  
A structural bearing for example for use in supports for pipelines. The bearing comprises a center plate 21 having a PTFE bearing layer insert 22 and above this a co-operating sliding plate 23 with...
4615157 Floor joist damper  
A damping building structure, in the form of a floor joist, spanning two separated supports. Oscillations in the joist are damped by a pair of overlapping plates which are clamped together by one...
4605106 Displacement control device  
A displacement control device for damping relative movement between a structure and a support for the structure, and for absorbing energy when the relative movement exceeds a predetermined amount.
4599834 Seismic isolator  
A seismic isolator has a sliding plate fixed on the lower surface of a building, a connecting plate underlying the sliding plate, an elastic first support disposed between the connecting plate and...
4598503 Vibration absorption mounting for a rooftop air handling unit or the like (II)  
An improved arrangement of so-called upper and lower curbs with interposed springs having an interconnected condition allowing for their delivery to an installation site as a single modular...
4593502 Energy absorbers  
A cyclic shear energy absorber for absorbing energy due to induced motion between two members by plastic cyclical deformation of a central energy absorber core. The core is surrounded by a...
4593501 Vibration and shock isolator with adjustable stiffness  
An isolator for use in protecting buildings and other structures from the effects of vibration and shock due to an earthquake. The isolator comprises a stack of elastic bearings interconnected at...
4587779 System for protecting a body from motions transmitted through the ground  
A mechanically fully isolated body (D) is connected by mechanical isolators (C), behaving elastically in all directions, with its basis (B). This basis is linked firmly to the surrounding...
4587773 Seismic protection systems  
A seismic protection system for a structure includes a foundation plate with retaining walls for supporting and isolating the structure from the ground, and oscillatory, vibratory and...
4581199 Earthquake resistant hall for a nuclear boiler and its confinement chamber  
Hydraulic jacks are arranged radially both inside and outside the confinement chamber (EC), substantially on a level with the center of gravity of the boiler (BV, EA) disposed inside. The inside...
4577826 Stand structure for supporting electric high voltage equipment  
A platform for carrying electric high-voltage equipment, such as series-capacitors etc., is supported by insulator columns which are articulated at the upper and lower ends. Bracing takes place...
4574540 Structural support system for minimizing the effects of earthquakes on buildings and the like  
An improved building support system for minimizing the effects of strong seismic shocks to building structures transmitted through the earth to the foundation of the building structure, by...
4566231 Vibration damping stiffener  
A vibration dampening stiffener beam (10, 10') is secured to a panel member, such as an electrical circuit board (12) that is supported at opposed ends. The beam (10, 10') extends across a mid...
4565039 Floor structure for reducing vibration  
A floor structure for reducing vibration comprises a panel for mounting a load thereon and a plurality of shock absorbers elastically supporting the panel over a base floor, each shock absorber...
4562673 Earthquake safety support for transportable buildings  
A stabilizing support for mobile homes and other transportable buildings is disclosed which protects against damage caused by the building slipping off its piers in an earthquake. A base on the...
4555881 Stack, particularly atmospheric cooling tower  
The present invention relates to a stack, particularly an atmospheric cooling tower. The stack comprises a shell with double curvature and a bearing structure or seating for the shell; the shell is...
4554767 Earthquake guarding system  
A base isolation system for a structure for protecting against earthquakes. The superstructure is supported on a first and second discs, one above the other. Between the discs, and between the...
4553792 Structural slide bearing  
A structural bearing comprising a bottom bearing plate and a top bearing plate, the bearing having sliding surfaces in mutual sliding contact and fixed against horizontal movement relative to the...
4534144 Underground bomb shelter/storage celler unit  
A bomb shelter which is intended to be used as an underground storage celler in peacetime. The bomb shelter consists of a cylindrical body of fiberglass-reinforced plastics, on which body are...
4533109 Elastic support unit  
An elastic support unit has a supporting element including an elastic part and a sliding part arranged so that under the action of load, first the elastic part is elastically deformed and the...
4531334 Earthquake-proof construction bracket  
The apparatus comprises means for pivotally attaching one end of a link means to the structure, means for pivotally attaching the other end of the link means to the beam at a point distal from the...
4527365 Earthquake insulating bearing assembly  
An earthquake-insulating bearing assembly is mounted between a foundation and a building structure. A first friction member is fixedly secured to a lower surface of the building structure. An...
4522000 Earthquake safety support for transportable building  
A stabilizing support for mobile homes and other transportable buildings is disclosed which protects against damage caused by the building slipping off its piers in an earthquake. A base on the...
4517778 Earthquake-proof building with improved foundation  
An earthquake-proof structure is supported on a foundation comprising a plurality of spaced supports, each including a holder having spherical support members mounted thereon to support the...
4518461 Support for batteries of coking furnaces heated from the top  
A support for a battery of coking furnaces with regenerators has a plurality of waste heat passages formed beneath the regenerators and extending in a longitudinal direction of the battery, a...
4514941 Aseismic sliders  
An aseismic slide construction to isolate structures from horizontal ground movement caused by earthquakes comprises a lower plate for contact with the ground, an upper plate for supporting the...
4514942 Damping installation for earthquake-endangered buildings  
A damping installation for earthquake-endangered buildings providing for a vibration insulator between the foundation and the building.
4513846 Motion snubbing device  
A motion snubbing device in which an inertia mass is rotatably mounted on a rotary shaft through a slide bearing and opposite to a flexible member fixed to the rotary shaft. The shaft rotates in...
4508472 Method for controlling moisture-expansive clay supporting building foundations  
A method for preventing or greatly reducing damage to building foundations resulting from the swelling of moisture-expansive clay beneath and about such foundations. The method includes the steps...
4499694 Cyclic shear energy absorber  
A cyclic shear energy absorber for absorbing energy due to induced motion between two members by plastic cyclical deformation of a central energy absorber core. The core is surrounded by a...
4496130 Support device  
A support device for supporting a supported structure above a supporting structure, in which a ball (2) is rotatably held at the top of a first component (A) disposed on the side of either one of...
4492291 Device for damping shocks caused by _moving heavy objects  
The present invention relates to a device for damping impacts caused by the fall of heavy objects. This device comprises a group of deformable mechanical members arranged perpendicularly to a first...
4490864 Shelter bed  
A sturdily constructed shelter bed anchored to a floor provides shelter for persons during tornados or hurricanes in a shelter space protected by steel plates below a mattress and springs. The...
4484423 Seismic shield  
A method and structure for partially isolating a building or other structure from the effects of an earthquake is disclosed. A generally vertical trench is formed spaced apart from the building and...
4483426 Coiled damper element  
A damper element comprises a lead sheet and vibration-proof sheet spirally and alternately wound to provide a spiral, circular configuration with these sheets bonded to each other. This arrangement...
4474508 Marine structures  
An earthquake-resistant off-shore gravity structure which can stand on the sea bed under its own weight and the weight of any ballast carried by the structure has coupled to its undersurface a...
4474729 Support structure for a prestressed cylindrical pressure vessel  
A support structure for a nuclear power station having a prestressed cylindrical vessel comprising an annular ring of supports on a support wall and foundation wherein the prestressed cylindrical...
4472916 Pre-fabricated house construction  
A building construction system that permits the erection of a modular-skeleton structure type building in a very short time utilizing relatively unskilled labor. The construction of vertical metal...
4469956 Windmill support structure  
A windmill installation (10) includes a windmill (12) supported on a tower (18) that includes three legs (20, 22, and 24). The connections of the legs (20, 22, and 24) to their respective bases...
4462955 Support device positioned between an element of large mass and a fixed support  
An anti-earthquake support device arranged between an element of large mass and a fixed support, comprising roller elements arranged between support parts forming roller tracks inclined with...