153results about How to "Excessive wear" patented technology

The present invention involves the fabrication and use of biocompatible polymers that are injected percutaneously into the inner portion of a defective region of a spinal disc and swell or expand or subsequently cure in situ to form a disc nucleus prosthesis. The polymers may be synthetic or natural (e.g., collagen), and may be provided in forms including, but not limited to hydrogels, compressible foams, cords, balloons, etc. Subsequent to injection into a target space or void within the disc, one or more cell binding agents, growth factors, and / or drugs on or within the cured polymer then interact with the remaining portion of the disc to support tissue ingrowth and to achieve a higher probability of biological mimicking.

A base plate for mounting a router in a support table provides a plate configured to fit in an orifice, having an inwardly extending ledge thereabout, defined in the support table with the router supported by the base plate to depend therefrom. The base plate defines a medial orifice for passage of the router shaft through the orifice for operative positioning of a cutter carried on the router shaft above the base plate. The base plate medial orifice releasably carries plural annular inserts to cover space between the router shaft and the support plate portion defining the medial orifice. Plural adjustment screws are carried in threaded engagement in the ledge of the support surface orifice for vertical motion to adjustably move adjacent portions of the base plate periphery upwardly from the ledge to create a coplanar relationship of adjacent portions of the base plate and support table. The base plate carries at least one releasably adjustable fastener to fasten the support plate on the ledge in the orifice defined in the support table.

A rotatable coupling is used with a replaceable developer cartridge and electrostatographic image devices. The coupling has a driven portion and a driving portion. The driven portion has a shaft with a connecting portion that has a plurality of helical involute teeth extending outwardly. The driving portion has an end with a gear shaft and a twisted petaline recess in the gear shaft. The sides of the recess are engageable with the helical involute teeth so that the driving portion drives the driven portion and transmit torque.

A conveyor belt cleaner is provided that is particularly well-suited for high temperature applications. The cleaner includes a blade mount that has a layback arm mounting the cleaning blade and which can simultaneously deflect horizontally and vertically via changes in the radius of curvature of a lower arcuate portion connected thereto so as to minimize stress on the blade mount. The layback arm extends toward the conveyor belt at an acute layback angle relative to the immediately upstream belt surface. In another aspect, a belt cleaning system is provided including a plurality of resilient blade mounts that absorb the energy of impacts with the cleaning blade so as to allow for controlled release of the impact energy upon bringing the blade quickly back into scraping engagement with the belt. Preferably, two of these resilient mounts are associated with each blade in the belt scraping area and the others at ends of an elongate support laterally spaced from the scraping area.

A controller for a temperature management system for heating and / or cooling a room in accordance with a schedule of set point temperatures over a control period as a data processor arrangement (10). A signal indicative of the current temperature of the room is received at a temperature input (9) for receiving a signal indicative of the current temperature in the room and a control output (18) for supplying control signals to the system. The controller has at least one electronic memory for storing said schedule of set point temperatures, a relationship, based on known heating or cooling characteristics of the room, between the energy supplied to the system in a portion of the control period and the predicted temperature of the room during that portion and subsequent portions of the control period. The electronic memory also stores a first parameter value representative of the cost of supplying said energy and a second parameter value representative of a predetermined acceptability of variations of the actual or predicted temperature of the room from the set point schedule, wherein the processor arrangement (10) is operable to calculate, for each said portion, the energy to be supplied to the system in order for a plurality of parameter values to satisfy a predetermined criterion, said plurality of parameter values comprising said first parameter value and said second parameter value.

A magnetic filter device capable of separating contaminant material from a working fluid. The device includes an inlet to allow fluid to flow into the device and an outlet to allow fluid to flow out of the device. The filter further includes an elongate magnetic core comprising at least four columns of magnets. At least two magnetic columns include a north polarity extending over the length of the columns and at least two columns have a south polarity extending substantially the length of the columns. The four columns are positioned lengthways around a central longitudinal axis of the core in alternating north and south polarity thereby generating a magnetic field of alternating high and low field intensity in the region around the magnetic core exterior.

An apparatus for determining vehicle gear information and vehicle engine RPM data based in part on usage of location information may include a processor and a memory storing executable computer program code that causes the apparatus to at least perform operations including evaluating first location information identifying one or more positions of a vehicle at respective times in order to determine a speed of the vehicle. The computer program code may further cause the apparatus to compare the determined speed to a first range of speeds that correspond to gears of the vehicle and determine a current gear that the vehicle is operating in based at least in part on the determined speed corresponding to a speed in the first range of speeds associated with a gear. Corresponding computer program products and methods are also provided.

A coating is provided having a first metal or non-metal nitride layer and a second metal or non-metal nitride layer wherein the first and second nitride layers are sufficiently resistant to interdiffusion to maintain respective individual layer structure and strength at an elevated operating temperature when a coating contact surface is in sliding contact with another material and wherein one of the first layer or second layer includes a component that is oxidizable at the contact surface to form a friction-reducing lubricous oxide material at the contact surface.

A hydrostatic drive (1) with a hydraulic pump (3) and a plurality of hydraulic motors (6-9) that are hydraulically linked with the hydraulic pump (3). One speed sensor (20; 21; 22; 23) each allocated to a respective hydraulic motor (6; 7; 8; 9) and is linked with a control device (24) and detects the speed (n1; n2; n3; n4) of the allocated hydraulic motor (6; 7; 8; 9). Every hydraulic motor (6; 7; 8; 9) is functionally linked with a brake device (26; 27; 28; 29) that in turn is linked with the control device (24). When the speed (n1; n2; n3; n4) of one of the hydraulic motors (6; 7; 8; 9) exceeds a predetermined threshold value (ng), the control device (24) triggers the brake device (26; 27; 28; 29) allocated to the associated hydraulic motor (6; 7; 8; 9).

A rotary sprinkler system for both above-the ground and pop-up rotary sprinkler systems that controls the rate of nozzle rotation is disclosed. To maintain a relatively constant and controlled nozzle rotation, one or more chamfered spokes are included on the turbine of the sprinkler system. This turbine configuration together with a stator assembly that regulates fluid flow to the turbine control nozzle rotation despite variations in fluid flow. In particular, the chamfered spokes counteract the spin of the turbine in direct relation to the amount of water that bypasses the driving blades of the turbine.

A system, method, and device for hitching a trailer to a vehicle are disclosed. The exemplary system may have a receiving plate with a distal end formed with or coupled to the socket portion. The receiving plate may extend to a proximal end from the socket at an incline. The proximal end may be wider than the distal end. Two support members may extend substantially beyond a socket portion. Two side plates may extend at a downward angle from each side edge of the receiving plate between the proximal end and proximal end. The two side plates may extend downwards to interfere with sharp angled turning.

A gas pressure regulator has in the regulator housing (12) a damping abutment (38) adapted to be engaged, in open position of the regulator, by an actuating shaft (22) fixed to a regulator diaphragm (16) for damping vibrations of the regulator mechanism.

An auto-laundry conveyor of three-tier design using upper, lower and intermediate track rails with a narrow slot between them. Dollies are provided in an endless loop conveyor chain and each dolly comprises a combination of a center link, a pair of reversely similar tire engaging rollers, a pair of reversely similar track engaging rollers outboard of the tire engaging rollers and a pair of reversely similar stabilizing rollers outboard of the track engaging rollers. The stabilizing rollers are effectively larger in diameter; i.e., higher than the track engaging rollers so as to prevent rolling contact between the stabilizing rollers and the track surface and to receive the tread surface of an off-center tire and keep the tread surface from interfering with rolling movement of the track engaging rollers. The conveyor is manufactured in 10-foot lengths except for the entry and exit sections which are of lengths X and Y wherein X plus Y equals 10 feet. An open track structure is used to prevent the accumulation of dirt and debris.

A pistol caliber conversion assembly having a slide assembly housing components of lightweight characteristics so as to accept and permit an interchange of a variety of caliber ammunition. The assembly includes a rail and groove arrangement for slidably mounting a slide housing onto the frame and a recoil mechanism for urging a barrel into a reset position after firing. An open lock mechanism selectively engages the slide housing with the frame and sets to an automatic open position upon ejecting of a last round from the ammunition chamber. The critical selection of high strength-to-weight ratio materials permits machining away of excess materials to reduce weight while maintaining sufficient hardness and mass to handle firing loads.

A suspension system for a vehicle having a vehicle body and a plurality of wheels movable relative to the vehicle body. A hydraulic damper, which includes a piston rod and a cylinder, is disposed between the vehicle body and wheels. A striker plate is mounted to the cylinder and is displaceable with the cylinder relative to a support on the vehicle body. A jounce assembly is mounted to the support about the piston rod and extends outwardly toward the striker plate. The jounce assembly includes a jounce bumper and a cap. The cap is mounted to the jounce bumper with the cap having a flange extending to a distal edge for defining a cavity. The distal edge of the flange deflects into the cavity when the cap engages the striker plate during a predetermined displacement of the striker plate relative to the support.

An improved bushing assembly for the center seal used with an adapter base separating pressure chambers in a spring brake actuator to allow a push rod to pass through an aperture therein without loss of pressurized fluid between the pressure chambers. The improved bushing assembly has a flexing component that allows for non-linear or flexing motion of the push rod, a sealing component for sealably engaging the push rod and a locking component for securing the bushing assembly inside the aperture. The improved bushing prevents damage to the sealing member and aperture from the non-linear push rod motion. The flexing component comprises a bushing member having an inner wall and outer wall that form a channel therebetween. The outer wall has engagement tabs to lockingly engage a groove in the aperture to secure the bushing assembly therein. A spring brake adapter is provided that utilizes the improved bushing assembly.

A suspension system for a vehicle having a vehicle body and a plurality of wheels movable relative to the vehicle body. A hydraulic damper, which includes a piston rod and a cylinder, is disposed between the vehicle body and wheels. A striker plate is mounted to the cylinder and is displaceable with the cylinder relative to a support on the vehicle body. A jounce assembly is mounted to the support about the piston rod and extends outwardly toward the striker plate. The jounce assembly includes a jounce bumper and a cap. The cap is mounted to the jounce bumper with the cap having a flange extending to a distal edge for defining a cavity. The distal edge of the flange deflects into the cavity when the cap engages the striker plate during a predetermined displacement of the striker plate relative to the support.

In one embodiment, a dental instrument comprises an elongate dental tool having a proximal portion, a distal portion, and a cutting portion located near the distal portion. A reduced friction coating is applied to the elongate dental tool at least at the cutting portion.

A fastener driving tool includes a sleeve defining a cylinder for accommodating a reciprocating piston and a driver blade for driving a fastener into a substrate. In addition, the tool includes a nose assembly having a nosepiece associated with the sleeve and is constructed and arranged for receiving and guiding the driver blade as it drives the fastener into the substrate. The nosepiece has a body including a first component made of one material and a second component made of a second material.

The present invention relates to a micro-valve which is formed from two firmly connected substrates and preferably has an actuator element, for example that is diaphragm-driven, for the controlled opening and closing of a first and / or second passage. The invention further relates to a method for producing such a micro-valve and to a micro-pump which uses at least one such micro-valve. Said micro-pump is intended to be used in particular in conjunction with the development of an artificial sphincter. The micro-valve has a first substrate and a second substrate which are non-detachably joined to each other in order to form a controllable fluid flow section, and at least one first passage and at least one second passage. According to the invention, the micro-valve has at least one elastically deformable seal structure which, for example, can be formed by a photostructurable silicone, to seal off the first and / or second passage.

A concealing undergarment preserves a user's modesty while allowing the user to wear modern apparel such as low-slung or low-cut pants, jeans, and the like. In general, the concealing undergarment conceals parts of the user's body which may be revealed due to the style or cut of apparel the user is wearing. The concealing undergarment may have the appearance of skin when worn. This allows the user to wear more revealing styles, as intended. The concealing undergarment may conceal the user's midriff and back while preventing rear cleavage from being seen, especially where the user is wearing low-slung pants or jeans. An extension may be provided to present inspirational phrases, positive words, facts, and other information to a user. The extension may be tucked under the user's bra to be close to the user's heart, and be used to hold an upper portion of the concealing undergarment in position.

The sharpening unit (50) comprises a grinding wheel unit (80) with at least two grinding wheels (51, 53) opposed to act on two sides defining a cutting bevel of the blade (19). The grinding wheel unit is provided with at least a degree of freedom to center the grinding wheels (51, 53) in respect of a lying surface of the portion of the cutting bevel of the blade (19) on which said grinding wheels act.

A vehicle seat, in particular a passenger seat for a bus, includes a seat member with a seat upholstery carrier and seat upholstery, which is rigidly arranged on the seat upholstery carrier; the vehicle seat also includes a backrest with a back upholstery carrier and back upholstery, which is rigidly arranged on the back upholstery carrier; and a support structure for receiving forces which act on the vehicle seat. The support structure is constructed as a rigid carrier frame arranged at the peripheral side outside the seat member and the backrest and which is connected to the seat upholstery carrier and the back upholstery carrier. The carrier frame has carrier rails which are arranged in pairs and which extend along opposing lateral edges of the seat member and the backrest.