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Class 267/195 - Mechanical spring and nonresilient retarder (e.g., shock absorber)


Subclass of Class 267 - Spring devices
Definition: Spring device including a nonfluid (mechanical) spring element
No. of patents: 46
Last issue date: 06/08/2010


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NumberTitleIssue Date
7731165Hood support
A hood support for a vehicle having a hood moveable between open and closed positions is provided. The hood support includes a spring assembly disposable between the vehicle hood and another portion of the vehicle. The spring assembly is moveable into an extended po...
06/08/2010
7387181Hood lift system
A strut assembly having first and second mounting members extending from opposite ends of the housing for mounting the strut assembly to a hood assembly. A locking member is connected to the housing and slides into locking engagement with the rod member. Restraining...
06/17/2008
7318505Vibration damper
Damping element having a container tube, a piston mounted with freedom of movement in the damping medium-filled tube, a piston rod connected to the piston, and a fastening part for connecting the damping element to the first of the masses which are to be isolated fr...
01/15/2008
7287626Buffer device for elevator
In a buffer device for an elevator, a hydraulic buffer that alleviates shock generated when a traveling body impacts at the bottom of a hoistway is located at the bottom of the hostway. Provided between the traveling body and the bottom of the hoistway is an elastic...
10/30/2007
7270321Fluid-elastomeric damper assembly including internal pumping mechanism
A fluid-elastomeric damper assembly operable for damping relative motion between a first structure and a second structure including a housing structure grounded to the first structure and a plurality of elastomer seals coupled to the housing structure, the housing s...
09/18/2007
7261286Two stage hood lift spring assembly
A lift spring assembly has a compression spring rod with a housing having a longitudinal axis and axially opposite ends, and having a rod member coaxial with the axis and having an inner end in the housing and an outer end axially outwardly of one of the opposite en...
08/28/2007
7234664Draw spring linkage, particularly for light aircraft
A draw spring linkage includes a hollow rod formed with a shoulder structure at the first end of the rod and with a slot that extends longitudinally of the rod and is located between the shoulder structure and the second end of the hollow rod. A tongue member includ...
06/26/2007
7201774Artificial intervertebral disc replacements incorporating reinforced wall sections
An Artificial Disc Replacement (ADR) includes a body and/or outer wall that is fortified, reinforced, stiffened or otherwise strengthened with a higher durometer, for example, where it rests against a weakened or deficient area of the annulus fibrosis (AF). The “l...
04/10/2007
7201776Artificial intervertebral disc replacements with endplates
An artificial disc replacement (ADR) includes a pair of opposing endplate components, each attached to one of the upper and lower vertebrae, a cushioning component disposed between the endplate components; and a filler material contained within the cushioning compon...
04/10/2007
7175167Elastomeric suspension spring for a motor vehicle and a suspension joint incorporating the spring
An elastomeric suspension spring (14) usable for bearing the load of a motor vehicle, which exhibits both reduced creep and improved endurance in torsion and a suspension joint comprising this spring consists of a cross-linked rubber composition based on (phr...
02/13/2007
7117982Shock absorber
A shock absorber includes a cylindrical shock absorber body, a mounting portion (4) disposed bulgingly in an outer surface of the shock absorber body, and a spring seat (3) inserted into the shock absorber body and engaged with the mounting portion (
10/10/2006
7066455Self-centering mechanical strut
A self-centering mechanical strut has first and second housing members. The second housing member telescopically receives the first housing member. Spring assemblies are mounted within each of the housing members. The spring assembly in the first tube is compressed ...
06/27/2006
7060100Artificial disc and joint replacements with modular cushioning components
An artificial joint or disc replacement (ADR) broadly includes a pair of opposing endplate components, each attached to one of the upper and lower vertebrae, a cushioning component disposed between the endplate components, and a mechanism for coupling the cushioning...
06/13/2006
6978985Mechanism type non-sectional locking buffer device
A non-sectional locking buffer device. The device utilizes a screw ascending and descending principle as a buffering function, wherein ball bearings or outer screw grooves are configured on a central shaft of the buffer device to operate in coordination with inner s...
12/27/2005
6969404Annulus fibrosis augmentation methods and apparatus
A device and method are used in fortifying an intervertebral disc having an annulus fibrosis with an inner wall. According to the method, a hole is formed through the annulus fibrosis, and a collapsed bag is inserted into the disc through the hole. The bag is inflat...
11/29/2005
6758466Fluid-elastomeric damper assembly including internal pumping mechanism
A fluid-elastomeric damper assembly operable for damping relative motion between a first structure and a second structure including a housing structure grounded to the first structure and a plurality of elastomer seals coupled to the housing structure, the housing s...
07/06/2004
6655668Universal vibration damper
A device for the control of vibrations comprises a retainer resting on a base and a plurality of bearings disposed within the retainer. The bearings are arranged in a first layer and a second layer. The second layer is disposed on the first layer. The fir...
12/02/2003
6572089Mount for a shock absorber
Mount for a shock absorber includes a cap in working torque-transmitting connection with the entire mount. The twisting surface, which is in working connection with an opposing surface on the vehicle at least during the installation of the shock absorber ...
06/03/2003
6443437Suspension strut with damping
A suspension strut includes a housing assembly including first and second opposed housing members. The first and second housing members are relatively movable along an axis. At least the first housing member includes an engagement surface. At least one co...
09/03/2002
6361664Method of reducing corrosion with electrical charge
A vehicle system component is provided with an electrical charge to resist corrosion. Preferably, the electrical charge is generated by movement of components adjacent to the suspension component. Friction surfaces may be placed in contact with each other...
03/26/2002
5901947One piece bumper-bellows subassembly
The present invention is directed to a one piece, integrally molded, bumper-bellows subassembly for use in vehicles, for example, for use in suspension systems, rack and pinion steering systems and airsprings. The present subassembly prevents the elements...
05/11/1999
5634652Bicycle suspension
A suspension member for a bicycle is set forth which includes a strut telescopically received into a cylinder. A head assembly extends from the cylinder through a piston defined at the end of the strut and into the strut. Mounted to the assembly is a valv...
06/03/1997
5480401Extra-discal inter-vertebral prosthesis for controlling the variations of the inter-vertebral distance by means of a double damper
A prosthesis with double damper performing the function of intervertebral stabilizer which comprises at least two identical elements assembled together and comprising elastic bodies for regulating the bending-stretching movement between two vertebrae so a...
01/02/1996
5375823Application of an improved damper to an intervertebral stabilization device
An improved damper, of the type comprising elements for progressively resisting, in exponential manner, the advance of a piston under the effect of a force of axial compression, which functions as a stop opposing any displacement of the piston beyond a pr...
12/27/1994
5251928Upper mounting structure for a strut-type wheel suspension
An upper mounting structure for a strut-type wheel suspension is of a so-called concentrated input type which includes a coil spring and a strut assembly arranged in parallel to each other between a strut mounting insulator and an unsprung mass of a suspe...
10/12/1993
5244190Vehicle wheel suspension method
The invention has for its object a suspension with dynamically variable flexibility or stiffness. The suspension process uses one or several elastic elements mounted opposite each other, so as to impress on the vehicle suspension a variation of stiffness ...
09/14/1993
5211269Damper for a flapdoor using viscous fluid
A damper for a flapdoor that does not show any damping effect when its movable shaft of the damper is rotated with the door in one sense whereas it effectively damps the rotary movement of the flapdoor when the movable shaft is rotated with the door in th...
05/18/1993
5165507Damper for a flapdoor using viscous fluid
According to the invention, there is provided a damper for a flapdoor that does not show any damping effect when its movable shaft of the damper is rotated with the door in one sense whereas it effectively damps the rotary movement of the flapdoor when th...
11/24/1992
4974820Bellows type shock absorber
A bellows type shock absorber comprises a sealed bellows, a shock absorbing column which is provided with a chamber around it inside the bellows and which is along the axial line of the bellows and combined with the bellows so that it physically varies in...
12/04/1990
4875560Damping force adjustable hydraulic shock absorber
A damping force adjustable hydraulic shock absorber includes a piston rod projecting from a cylinder and an actuator for adjusting the level of damping force generated in the shock absorber, the actuator having a bottom portion and an axially extending ou...
10/24/1989
4842106Rate controllable damping mechanism
A rate controllable damping mechanism is disclosed. The mechanism includes a chamber disposed within a housing; an element mounted for movement within the chamber; a damping material, preferably a low melting temperature metal alloy, in the chamber for pr...
06/27/1989
4763882Coated coil spring
A coated coil spring wrapped in a coating member prepared from a soft synthetic resin foam, wherein the coating members of the respective coil spring turns constituting at least the effective region of the coil spring are provided with a helical clearance...
08/16/1988
4762306Hydraulic mounting system for a power unit
A mounting system for a vehicle engine including mounting units located at the opposite sides of the engine output shaft. The mounting unit includes a hydraulic chamber filled with hydraulic liquid. The hydraulic chamber of one unit is connected with that...
08/09/1988
4756513Variable hydraulic-elastomeric mount assembly
A hydraulic mount assembly is disclosed having a partition including a hydraulic damping decoupler between two hydraulic chambers. One chamber is formed by an elastomeric member and the other by a resilient diaphragm. During dynamic loading of the mount, ...
07/12/1988
4725046Engine mount
Disclosed herein is an improved engine mount which comprises first and second retaining members which are separated from each other, a first shock absorbing elastomer block disposed between the first and second retaining members, a highly magnetic member ...
02/16/1988
4721322Anti-dive braking apparatus
A vehicle anti-dive braking apparatus which prevents dive and increases suspension damping during braking. A rotatably mounted disc brake causes hydraulic fluid to flow from hydraulic reservoirs upon braking to an anti-dive cylinder, secondary damper cyli...
01/26/1988
4711463Vehicle suspension strut and upper mount assembly therefor
An upper mount assembly for a suspension strut which incorporates an elastomer bushing operatively connecting the piston rod to support structure that works in shear over initial travel but has compression load buildup at the limit of mount travel. The mo...
12/08/1987
4709907Quiet fluid filled vibration isolator
A fluid filled vibration isolator of the type having upper and lower chambers separated by a partition having an inertia track passageway and a decoupler assembly permitting fluid to bypass the inertia track passageway at certain amplitudes. The decoupler...
12/01/1987
4697794Rubber mounting with hydraulic damping
A resilient mounting, such as a rubber mounting, with hydraulic damping, in particular for mounting engines of motor vehicles, has two rigid end walls which are disposed opposite to each other in the axial direction, and at least two chambers which are di...
10/06/1987
4697817Motor vehicle steering stabilizing apparatus
The present invention relates to a steering stabilizer which may be used on automobiles, motor homes, trucks, busses or tractor-trailers to provide better steering control by automatically returning the steering wheel to the neutral position after deflect...
10/06/1987
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