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| Number | Title | Issue Date |
| 7854425 | Belleville spring guide system Apparatus and method are provided for decreasing frictional effects in stacks of Belleville springs and limiting deflection of the springs. In one embodiment, carriers for springs overlap and minimize the effects of lateral forces that are developed as springs in a ... | 12/21/2010 |
| 7370854 | Self damping compression spring assembly for a fuel injection device A compression spring assembly is disclosed herein. The compression spring assembly may be used in a fuel injection device and may include a compression spring having first and second adjacent turns spaced apart by a distance. The compression spring assembly may furt... | 05/13/2008 |
| 7334784 | Corrugated spring with gradual progressive spring characteristic Axial corrugated spring comprising an annular spring band 11 which describes a corrugation line oscillating about a radial reference plane around the circumference, wherein the corrugation line has maxima 12, 13, 17 of different height and minima 14... | 02/26/2008 |
| 7273128 | Vibration proofing heat shield plate A vibration proofing heat shield plate fixed such as to cover at least a part of a heat source while forming a gap with respect to a surface of the heat source is provided with a vibration proofing heat shield plate main body portion, a collar member positioned at a... | 09/25/2007 |
| 7270182 | Earth loop installed with sonic apparatus A method for installing a heat exchange pipe loop in a borehole, the method, in at least certain aspects, including drilling a borehole with a sonic drill system having a head and casing connected thereto, a drill apparatus on a lower end of the casing movable by th... | 09/18/2007 |
| 7243900 | Ball valve A ball valve for refrigerating system includes a valve body, a valve seat that fits into the valve body by a screw thread, a valve ball accommodated within the valve body, two plastic sealing elements on both sides of the valve ball, a valve rod connected to the val... | 07/17/2007 |
| 7228948 | Hydraulic suspension damper A hydraulic damper including a tube filled with working liquid which contains a slidable piston assembly attached to a piston rod. The piston assembly includes a piston having a compression valve arrangement to control the flow of working liquid passing through the ... | 06/12/2007 |
| 7210181 | Spring construction An improved spring construction for mattresses, box springs, furniture and other applications is provided. The application of such springs in mattresses, box springs, furniture and other applications is also provided. In one aspect of the invention, the spring const... | 05/01/2007 |
| 7195235 | Adjustable disc spring systems and methods An adjustable disc spring system includes at least one beveled disc spring axially aligned with the adjustable spacer. The adjustable spacer is compressible in a substantially axial direction relative to the at least one beveled disc spring. ... | 03/27/2007 |
| 7192015 | Plate spring with improved settlement behavior A plate spring of a substantially circular-ring-shaped form having a substantially externally conical upper side (12) and a substantially internally conical underside (13) between which there are positioned an outer annular edge (14) and an inne... | 03/20/2007 |
| 7182325 | Compliant spacer A compliant spacer which, in use, is located between planar surfaces of two machine elements which are, in use, clamped together in an assembly, the spacer having a first generally planar face and a second oppositely facing generally planar face which is generally p... | 02/27/2007 |
| 7175112 | Fuel injection valve A fuel injection valve for internal combustion engines, with a housing that contains a moving valve element whose movement counter to the elastic force of a spring element controls the fuel supply to the combustion chamber of the engine. The spring element has the f... | 02/13/2007 |
| 7163206 | Fluid seal A jet pipe assembly containing at least one joint provided with a seal assembly to isolate, substantially, the fluid flowing in the pipe from the fluid external to the pipe. The dynamic member of the seal assembly is provided with both radial and cylindrical sealing... | 01/16/2007 |
| 7155903 | Buffer washer member and vibration and heat insulating board having the same A collar member including a main body part having a bolt hole for inserting a bolt and a flange part projecting horizontally to outside from the upper end of the main body part, a fitting member being a member for fitting with a vibration and heat insulating board m... | 01/02/2007 |
| 7144396 | Apparatus for connecting a longitudinal member to a bone portion An apparatus (10) includes a fastener (16) engageable with a bone portion to connect a longitudinal member (12) to the bone portion. A housing (40) has a first passage (42) configured to receive the longitudinal member and a second... | 12/05/2006 |
| 7134648 | Interlocking disc spring assemblies and adjustable interlocking disc spring assemblies An interlocking disc spring assembly includes a plurality of alternating interlocking first conically-shaped disc springs and second conically-shaped disc springs. The first disc spring includes a first radial inner portion and a first radial outer portion. The firs... | 11/14/2006 |
| 7121616 | Vehicle door wedge assembly A vehicle door wedge assembly includes a chassis and a slide moveable within the chassis. A non-metallic, elastomeric biasing element is provided to urge the slide toward one end of the chassis. The vehicle door wedge assembly with the chassis defines a slide path f... | 10/17/2006 |
| 7093657 | Earth loop installed with sonic apparatus A method for installing a heat exchange pipe loop in a borehole, the method, in at least certain aspects, including drilling a borehole with a sonic drill system having a head and casing connected thereto, a drill apparatus on a lower end of the casing movable by th... | 08/22/2006 |
| 7070336 | Bearing positioning member for a spindle motor A conic bearing positioning member for a spindle motor includes a small diameter portion abutting against an inner race of a ball bearing of the spindle motor, a large diameter portion abutting against a rotor of the spindle motor, and at least one resilient connect... | 07/04/2006 |
| 7066937 | Apparatus for connecting a longitudinal member to a bone portion An apparatus (10) includes a fastener (16) engageable with a bone portion to connect a longitudinal member (12) to the bone portion. A housing (40) has a first passage (42) configured to receive the longitudinal member (12) ... | 06/27/2006 |
| 7038340 | Bearing device and AC generator for vehicles using the same An AC generator for a vehicle includes front and rear bearings held by a housing, a stator disposed in the housing, a rotor having a rotation shaft rotatably supported by the front and rear bearings, and a multiple-helical wave washer disposed to apply a pre-load to... | 05/02/2006 |
| 7017544 | Carburettor vibration damper Use of an vibration damper to dampen vibration transmitted from an engine to a carburettor is found to enhance carburettor and therefore engine performance. The vibration damper is conveniently placed axially between the carburettor and an end of the intake manifold... | 03/28/2006 |
| 6976565 | Load carrying axial positioners with overload energy absorption An axial positioner capable of yielding to absorb energy under compression or tension loads. The positioner includes an outer tube having first and second ends, a threaded actuator rod extending between the first and second ends and a drive to rotate the actuator ro... | 12/20/2005 |
| 6923478 | Lock with rotary latches, especially for motor vehicles A lock, especially for motor vehicles, for securing a movable part, such as a pivoting flap, in position with respect to a stationary part, such as a housing, includes two rotary latches at a certain distance apart, wherein two closing pieces engage in the rotary la... | 08/02/2005 |
| 6758465 | Wave spring with single shim end A compression wave spring assembly including a base and a compression spring with three wave regions that are formed from a continuous elongate flat wire strip. The first wave region begins at one end of the spring with a terminal wave. The waves of the first wave r... | 07/06/2004 |
| 6669184 | Composite wave ring spring A compression spring comprising a plurality of composite wave rings stacked and attached to one another in crest to crest configuration. Each of the wave rings has a plurality of alternating peaks and troughs wherein one peak and one adjacent trough defin... | 12/30/2003 |
| 6647858 | Linearizing shunt for a force sensor An intelligent input push rod assembly for applying an input force from a brake pedal to a power booster of a brake system. The input push rod assembly includes a sensor that is capable of generating an electrical output having a magnitude that varies wit... | 11/18/2003 |
| 6485007 | Diaphragm bellows device A diaphragm bellows device comprises a diaphragm bellows with a plurality of successive diaphragms which are welded together alternately at the outer and inner edges, wherein the length of the diaphragm bellows can be adjusted between an expanded state an... | 11/26/2002 |
| 6394435 | Shock isolator system A shock isolator having a spring members such as a belleville washer for supporting a static weight with the belleville washer toggleable between a support condition and a nonsupport condition with the belleville washer having a collapse force that is suf... | 05/28/2002 |
| 6254071 | Single-turn, round wire wave spring A round wire wave spring is formed from a single turn of round wire with a plurality of distinct waves defined therein, each of the waves having respective crest and trough portions that bear against opposing parallel surfaces of two work elements. The ro... | 07/03/2001 |
| 6250618 | Curved wave shim A curved wave shim is formed from a flat elongated wire strip which follows a sinusoidal wave path that includes a series of waves spaced about the curved wave shim path, each wave having a shoulder portion which bears against generally parallel surfaces ... | 06/26/2001 |
| 6068250 | Composite multi-wave compression spring A circular multi-wave composite compression spring (10) is formed from a carbon fiber (58) reinforced laminate. The circular compression spring (10) is comprised of unidirectional graphite fibers (58) encased in a polymeric resin of generally rectangular ... | 05/30/2000 |
| 6050557 | Coiled disk spring A coiled disk spring is prepared by closely winding a strip having a noncircular cross section into a coil shape with the face inclined at a predetermined angle with respect to the axis of the coil. The sectional shape of the strip may be appropriately se... | 04/18/2000 |
| 5971374 | Seismic damper for high voltage breakers and disconnect switches Disclosed is a seismic damper for ground equipment such as high voltage breakers and disconnect switches. The disclosed seismic damper is reactive to low frequency seismic disturbances and provides damping in response to both upward and downward vertical ... | 10/26/1999 |
| 5915677 | Circular plate spring A circular plate spring for use in a flexible pipe unit comprises an annular base portion constructed of a spring metal plate and a plurality of equally spaced resilient support portions integral with the annular base portion. The resilient support portio... | 06/29/1999 |
| 5906361 | Conical disc spring column The conical disc spring column has a central shaft with retention shields at both ends thereof and with aligned superposed conical discs positioned about the shaft, the shaft being formed of two coaxial telescopic sections having a sliding connection ther... | 05/25/1999 |
| 5806794 | Aircraft braking system with damped brake rod The invention is directed to a damped brake rod for use in an aircraft landing gear, the landing gear comprising a strut and a wheel and brake assembly carried on the strut. The brake rod connects the wheel and brake assembly to the strut and bears an axi... | 09/15/1998 |
| 5730430 | Spring unit for use in a pivot pin assembly A spring unit for installation in a pivot pin assembly. The spring unit including a pair of disc springs each with an axially centered aperture and each with, when in an uncompressed condition, a concave side and a convex side. A retaining element, such a... | 03/24/1998 |
| 5709516 | Washer faced spring assembly A washer faced spring assembly is disclosed for a motion absorbing and motion damping application which includes a first washer having a circular or polygonal hole therethrough centered about a central axis, a second washer disposed opposite to the first ... | 01/20/1998 |
| 5669598 | Spring retainer and alignment method A method for maintaining alignment of a stack of spring washers mounted on a shaft. A retainer (44) is provided with an opening (41) for mounting on a shaft (49), a planar surface (42) for contacting outer contact edge (46) of spring washer (47) and a ret... | 09/23/1997 |
