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Class 248/564 - Acting through linkage


Subclass of Class 248 - Supports
Definition: Structure wherein the energy absorbing means is connected
No. of patents: 61
Last issue date: 05/31/2011


1    
NumberTitleIssue Date
7950618Shock absorbing platform with dampening means
A shock-absorbing platform includes a bottom plate and a top plate joined to one another along at least two sides by elongate rigid links that enable the plates to remain in parallel relation to one another as the plates are displaced responsive to externally-impart...
05/31/2011
7942378Torque transmitting mechanism for medical stand
The medical stands is used to support a medical tool and includes a first parallel linkage to maintain weight balance of the medical tool. The torque transmitting mechanism maintains an attitude of the medical tool and includes a second parallel linkage whose one en...
05/17/2011
7413158Shock absorbing platform with dampening means
A shock-absorbing platform includes a bottom plate and a top plate joined to one another along at least two sides by elongate rigid links that enable the plates to remain in parallel relation to one another as the plates are displaced responsive to externally-impart...
08/19/2008
7370842Support structure with self-adapting support surface for receiving any type of body
An exemplary support structure has an auto-adaptable surface. The exemplary support structure comprises a base; an assembly of distinct, adjacent contacts; and an assembly of platforms of a common level forming a common tier, each platform being linked to the base b...
05/13/2008
7293939Inclined leg floating production platform with a damper plate
A floating moored oilfield production structure for deepwater application. An apparatus and a method for the construction and installation of floating oilfield production structures, wherein the deck structure is supported by multiple pairs of inclined buoyant legs ...
11/13/2007
7263806Storage rack vibration isolators and related storage racks
A storage rack vibration isolator for a storage rack system installed on a floor comprising a first mounting plate connectable to the storage rack system, a second mounting plate connectable to the floor. An elastomeric component extending between these mounting pla...
09/04/2007
7249442Storage rack vibration isolators and related storage rack systems
A storage rack system to be installed on a floor has a plurality of columns, is more flexible in a down aisle dimension than it is in a cross aisle dimension, and has at least a first column and a second column adjacent one another in the cross aisle dimension. A st...
07/31/2007
7243895Damping and mounting structure for a motor
A damping and mounting structure for a motor includes a bracket to which a motor is mounted, the bracket being provided with a plurality of through-holes; a housing having a driven element which is driven by the motor on the bracket; a plurality of threaded holes an...
07/17/2007
7232096Positive lock seat device
An improved seating apparatus for an aircraft comprising: a seat assembly and a positive lock device for securing the seat assembly to the aircraft. In the preferred embodiment, the positive lock device comprises: an adjustable force applicator for selectively apply...
06/19/2007
7185867Vehicle seat suspension and method
A vehicle seat suspension that includes a suspension cartridge which houses suspension components that includes one or more of the following: one or more biasing elements, a suspension arm arrangement, a damper arrangement, a height adjust assembly, and a weight adj...
03/06/2007
7168671Low profile seat suspension
A low profile seat suspension includes a bottom frame adapted to be mounted on a vehicle, and a top frame located above the bottom frame for supporting a seat cushion and seat back thereon. A substantially fully collapsible scissors linkage is interconnected between...
01/30/2007
7032874Suspension adjusting handle for a suspension system
A suspension system for a seat. The suspension system includes a first frame member, a second frame member connectable to the seat and movably coupled to the first frame member, a suspension member coupled to both the first frame member and the second frame member a...
04/25/2006
6997278Torque-based occupant weight estimation apparatus for a vehicle seat
A torque-based occupant weight estimation apparatus for a vehicle seat includes front and rear torsion bars through which the seat frame is coupled to a set of floor brackets. The torsion bars are rotatably mounted on the floor brackets, and linkage arms rigidly cou...
02/14/2006
6955343Antivibration link
An antivibration link for isolating two parts, the link comprising a rigid body extending in a longitudinal direction between a first end provided with a sleeve and a second end, a first antivibration joint arranged in the sleeve and presenting a central axis perpen...
10/18/2005
6945505Seat mount assemblies for tractors
The present invention relates to a seat mount assembly for a vehicle having a seat, such as a tractor. The seat mount assembly, in one embodiment, includes a seat support, one or more seat securing members connected to the seat and movably engaged with the seat supp...
09/20/2005
6935693Seat suspension
A suspension for a seat that varies the preload, spring rate and damping rate of the suspension in direct proportion to the suspended weight of an occupant of the seat to provide the same effective vibration isolation for any occupant. The suspension includes an act...
08/30/2005
6616116Pneumatic motor vehicle seat with stabilized static height
A pneumatic motor vehicle seat, whose static height is held constant independently of the weight of the respective seat occupant. The inventive device provides a magnetically actuated air valve (16) which is enclosed 20 in a plastic valve housing for aera...
09/09/2003
6585214Extended travel lift mechanism for a flat panel display
An extended travel lift system including a support frame and a display device frame. First and second arms are connected at first ends thereof by a hinge connector. A second end of the first arm is pivotally attached to a first slide mechanism on the supp...
07/01/2003
6550740Shock absorbing platform
A shock absorbing platform includes a bottom plate and a top plate joined to one another at their respective rearward and side peripheral edges by elongate rigid links that enable the plates to remain in parallel relation to one another as the top plate m...
04/22/2003
6545118Polymer having network structure
A series of polymeric compositions, methods of making the compositions and uses of the compositions are described. An exemplary composition is made by copolymerization of a trifunctional amine or hydroxy compound, a monofunctional amine or hydroxy compoun...
04/08/2003
6366190Magneto-spring structure
A magneto-spring structure includes a lower frame and an upper frame vertically movably mounted on the lower frame via a link mechanism. The upper and lower frames have respective permanent magnets secured thereto, with like magnetic pole opposed to each ...
04/02/2002
6286782Apparatus and method for reducing vibrations of a structure particularly a helicopter
Apparatus for damping vibrations of a structure such as the air frame of a helicopter wherein a spring system (1), which has an elastic wall structure forming a tube-shaped hollow body supports a weighted vibrating object (23). At least one region of the ...
09/11/2001
6186467Full seat adjustable suspension
An adjustable suspension for a vehicle seat mounted on a scissors linkage wherein the spring supporting suspension force may be adjustable over a wide range of user weight, and wherein the scissors linkage permits the seat, which may include a back, to mo...
02/13/2001
5984410Cable drive mechanical seat suspension
A vehicle seat suspension system is provided which includes, in a seat support comprising an upper housing and a lower housing and a scissors linkage support apparatus, a spring fixed to the upper housing and a cable attached to the spring and wrapping ar...
11/16/1999
5957426Mechanical seat suspension with multiple position, lift-type height adjuster
A mechanical seat suspension between upper and lower supports comprises a scissors arms linkage and a support pivot assembly allowing height adjustment to multiple positions. The pivot assembly carries most of the seat load and comprises a pair of lever a...
09/28/1999
5954400Cable drive mechanical seat suspension
A vehicle seat suspension system is provided which includes, in a seat support comprising an upper housing and a lower housing and a scissors linkage support apparatus, a spring fixed to the upper housing and a cable attached to the spring and wrapping ar...
09/21/1999
5950489Variable geometry linkage configuration
A variable geometry linkage configuration for use between a support structure and suspended body comprises a link member having first and second ends, a first pivotal interconnection for pivotally interconnecting the first end of the link member with a su...
09/14/1999
5799922Low profile seat suspension
A vehicle seat suspension for trucks and the like characterized by its low profile, ease of operation and adjustment and safety utilizing a scissors linkage. The lower ends of the linkage are attached to a base plate affixed to the truck frame and the upp...
09/01/1998
5580027Cable drive mechanical seat suspension
A vehicle seat suspension system is provided which includes, in a seat support comprising an upper housing and a lower housing and a scissors linkage support apparatus, a spring fixed to the upper housing and a cable attached to the spring and wrapping ar...
12/03/1996
5388801Vehicle seat, especially for commercial vehicles
A seat for vehicles, especially commercial vehicles, of which the cushion support is mounted on a swinging frame with two identically configured pairs of levers which intersect and pivot with each other, has on each side of the swinging frame at least one...
02/14/1995
5253853Vibration dampening device
A vibration dampening suspension device for isolating a truck cab from the force vibrations of a vehicle frame, which includes an impact plate mounted to the truck cab, and a support plate mounted to the vehicle suspension. The device further includes a l...
10/19/1993
5176355Control for height of a seat
The housing of an air valve, the valve controlling the height of a vehicle seat supported on a suspension having an air spring, is pivotally connected to one of the frames of the suspension supporting the seat. A manual control lever connected to the hous...
01/05/1993
5116016Suspension device for automotive seat
A suspension device for automotive seat which is provided with a hydraulic damper and a compression coil spring wound therearound, such that the coil spring is adjusted in elastic repercussion force by way of worm gear and worm wheel so as to permit a fin...
05/26/1992
5082252Fluid-filled mount
A fluid-filled mount includes a body made of a resilient material and having a structural member supporting region on one end and a vibrating member supporting region on the opposite end. The body has a main fluid chamber defined therein between the struc...
01/21/1992
5016862Vibration isolation arrangement
A vibration isolation arrangement, for example for supporting a stretcher in an ambulance, comprises a lever (16) which extends between a base structure (6) and a support frame (4). The lever (16) can pivot about a fulcrum (30) and is acted upon by a spri...
05/21/1991
5011109Suspension device for seat
A suspension device for seat which includes a torsion bar interposed between an upper movable frame and a lower base frame, the torsion bar being adapted to bias the upper movable frame upwardly, and a spring provided on a shock absorber which is extended...
04/30/1991
4946145Air suspension device for vehicle seat
An air suspension device for a vehicle seat which is capable of automatic adjustment of the height of the seat at a given neutral position. In the device, an air spring is adjusted in flow of air thereinto or therefrom via a directional control valve whic...
08/07/1990
4892051Shock isolation method and apparatus for ship-mounted device
A system for mounting a device on board ship which experiences normal vibrations of a predetermined frequency and which may be subjected to high intensity shock forces including a plurality of preloaded liquid springs operable in tension and compression a...
01/09/1990
4856763Mechanical seat suspension with concentric cam surfaces
A mechanical seat suspension inside a housing includes parallel scissor arms and a support arm with a cam connected to suspension springs. The support arm, which carries the substantial majority of the seat load, has a height adjustment assembly and a cam...
08/15/1989
4832305Equipment support system
A system includes a single snubber and a rigid strut, to support two spaced locations on equipment to a structural support, in a manner that allows each location of the equipment to slowly move independently of the other, as to accommodate changing equipm...
05/23/1989
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