Abstract: A piston and internal combustion engine therewith constructed in accordance with the present invention has a piston body with an upper crown having a substantially cylindrical outer surface depending from a top surface along a central axis. At least one annular ring groove extends radially into the outer surface to provide a top land extending from the ring groove to the top surface. A plurality of waves are formed circumferentially about the top land. Each of the waves has a valley extending radially into the outer surface of the top land and extending from the top surface to the ring groove. The waves traverse from the top surface to the ring groove and are configured in substantially non-overlapping relation with one another and in a predetermined orientation relative to at least one of a fuel spray stream, a pin bore axis or a thrust axis of the piston.

Abstract: An electronic throttle control device in a internal combustion engine for a vehicle can be improved in maintainability and can be reduced in size. An electronic throttle control device in a V-type internal combustion engine for a vehicle has a fuel injection valve and throttle valves in an intake passage. A throttle driving motor controls the opening angle of each throttle valve according to the amount of operation of a throttle grip performed by an operator of the vehicle. The throttle driving motor is located outside a region surrounded by the throttle bodies that are respectively connected to all of intake ports as viewed in plan.

Abstract: A method of operation of an internal combustion engine including an intake valve coupled to a combustion chamber, and a port fuel injector positioned upstream of the intake valve in an intake manifold including a throttle, the port fuel injector fluidly coupled to a fuel rail included in a fuel delivery system housing a fuel at least partially composed of alcohol. The method including, during a start-up operation when the temperature of the engine is below a threshold value and fuel is actively being injected into the intake manifold, adjusting a cone angle of a fuel spray from the port fuel injector, via adjustment of the throttle and/or fuel delivery system, based on the position of the intake valve.

Abstract: To provide a fuel injection device for controlling a fuel injection valve including a solenoid and a magnetostrictive element to generate a drive force for driving the fuel injection valve, the fuel injection device including: a solenoid power source (31) for driving the solenoid, a solenoid drive circuit (10) adapted to control the electrification to the solenoid by the solenoid power source (31), a plurality of magnetostrictive element driving power sources (32, 33) for driving the magnetostrictive element, and a magnetostrictive element drive circuit (20) adapted to control the electrification to a magnetostrictive coil of the magnetostrictive element by the magnetostrictive element driving power sources.

Abstract: A four-pass carbon canister includes a cover sealingly coupled to an injection-molded housing having a first chamber, a second chamber fluidly coupled to the first chamber, a baffle fluidly coupled to the second chamber, and a third chamber fluidly coupled to the baffle. The three chambers are filled with carbon pellets to absorb carbon pellets provided to the carbon canister from the fuel tank. The carbon canister is periodically purged by drawing fresh air into the carbon canister, with the fresh air desorbing the hydrocarbons and then provided to and consumed in an internal combustion engine.

Abstract: An accessory for a fuel burning or processing engine or machine is provided. The accessory comprises a core formed of a material having ferri-magnetic properties. The core is of elongate form and defines a recess adapted to receive a high tension lead. The accessory further comprises a clamping device for clamping the high tension lead and retain it in the recess. The core is retained within a housing formed of a non-ferrous material. The housing is provided with a device for receiving calibrating elements formed of a material with high magnetic permeability at low field strength and low hysteresis loss.

Abstract: A cooler device for a motor vehicle includes a charge air cooler with a first cooler element, an EGR cooler with a second cooler element, the first and second cooler elements are arranged beside and substantially in plane with one another. The cooler elements each comprise pipelines for the respective medium to be cooled. Air passages for a cooling air flow are arranged between the pipelines. A screening device is arranged in front of or behind the cooler elements to regulate the air flow through elements. A control mechanism switches the screening device to and from between an open position in which the screening device does not, or at least does not appreciably, limit air flow through the air passages of the cooler elements, and a closed position in which the screening device limits the air flow through the air passages between all of the pipelines of the second cooler element and the air flow through the air passages between only some of said pipelines of the first cooler.

Abstract: A fuel vaporizer system for an internal combustion engine including a first closed chamber defining a first volume, the first closed chamber having a heat transfer surface; a second closed chamber at least partially surrounding the first closed chamber and defining a second volume; and a third closed chamber at least partially surrounding the second closed chamber and defining a third volume. A liquid fuel supply system including a liquid fuel supply line emits fuel into the first volume in an expanding pattern of liquid fuel spray from at least one orifice. A thermal fluid system from said engine is configured to circulate fluid, which may be engine coolant, through the second volume and transfer heat from the fluid through the first closed chamber and vaporize said liquid fuel. An exhaust system from said engine is configured to circulate exhaust through the third volume and transfer heat from the exhaust through the second closed chamber and heat said fluid.

Abstract: Various systems and method for heating an engine in a vehicle during a cold start are described. In one example, thermal efficiency of the engine is improved by heating engine coolant via a high-pressure exhaust gas recirculation (HP-EGR) system. For example, after light-off of an exhaust catalyst, exhaust gas is routed through the HP-EGR system which includes a HP-EGR cooler. Heat from the exhaust gas is then used to warm the engine coolant via the HP-EGR cooler. One or more engine operating parameters are adjusted in response to the HP-EGR entering the engine during the cold start in order to maintain combustion stability.

Abstract: The invention relates to a device for distributing the incoming gases in an internal combustion air supply system. This system comprises a fresh air intake pipe (1) and an exhaust gas recirculation intake pipe (2) and the internal combustion engine comprises, for each cylinder, a cylinder head that forms a lid over it, at least one inlet gas intake valve (3, 4) and at least one exhaust valve (5) which are mounted in the cylinder head and, in the case of a multi-cylinder engine, a distributor (7) connecting at least the fresh air intake pipe (1) to the cylinders. In this device, the fresh air intake pipe (1) and the exhaust gas recirculation intake pipe (2) are connected to each of the cylinders independently of one another, each of them (1, 2) via an intake valve (3, 4) dedicated to it (1, 2).

Abstract: A crankcase ventilation apparatus of an internal combustion engine of a motor vehicle, including an oil-mist separator for the separation of oil from the crankcase ventilation gas of the internal combustion engine and including an assembly for the return of lubricating oil from the oil-mist separator to an oil pan of the internal combustion engine. The oil-mist separator includes at least one preliminary separator and at least one fine separator, wherein the preliminary separator is connected to the oil pan via a first oil return flow passage allowing a continuous flow of oil there through during operation and wherein an oil collection chamber is provided downstream of an oil outlet of the fine separator, said oil collection chamber being connected to the oil pan via a second oil return flow passage which is equipped with a check valve to discontinue the flow of oil during operation.

Abstract: A positive crankcase ventilation system for an internal combustion engine comprises an intake manifold having a plurality of intake runners configured to deliver combustion air to the internal combustion engine. An intake manifold positive crankcase ventilation passage is disposed in the intake manifold and is in fluid communication with a source of blow-by gas from the engine. A positive crankcase ventilation distribution channel is formed adjacent to the sealing face of the intake manifold and a modular positive crankcase ventilation distribution conduit assembly is disposed in the positive crankcase ventilation distribution channel and extends from the positive crankcase ventilation passage to the plurality of intake runners for delivery of the blow-by gas thereto.

Abstract: A nitrous oxide system for an internal combustion engine includes a bottle containing pressurized nitrous oxide coupled to a nitrous oxide flow line, which is in fluid communication with an injection nozzle operatively coupled to the engine intake. A control valve is fluidly coupled to the nitrous oxide flow line between the nitrous oxide bottle and the injection nozzle, and is operable to control the flow of nitrous oxide through the nitrous oxide flow line to the engine intake. A supplemental fuel line in fluid communication with a secondary source of fuel with respect to the primary fuel line, and a supplemental fuel valve is fluidly coupled to the supplemental fuel line and operably coupled to the nitrous oxide flow line, such that a flow of pressurized nitrous oxide through the nitrous oxide flow line opens the supplemental fuel valve to allow a secondary flow of fuel to the engine intake.

Abstract: Disclosed in a dry fire arrestor for a crossbow having a trigger mechanism operable to fire an arrow or bolt, that includes a spring plate, trigger sear connected to the trigger mechanism, an anti-dry fire bar for engaging and disengaging the trigger sear. The dry fire arrestor utilizes tension provided by the spring plate to allows anti dry fire bar to automatically engage the trigger sear, precluding movement of the trigger when an arrow in not properly inserted in the dry fire arrestor.

Abstract: In some embodiments, an archery bow comprises a rotatable member configured for rotation about a first rotatable member axis. A cable anchor is attached to the rotatable member and rotatable with respect to the rotatable member about an anchor axis. The anchor axis is offset from the rotatable member axis. The bow can further comprise a power cable anchored to said cable anchor.

Abstract: A method and apparatus for scribing tile is disclosed. The disclosed scribing tool preferably comprises a scribe member, a tile engagement member, and an extension member. The scribe member is preferably connected to the tile engagement member via the extension member. The extension member is preferably pivotally connected to the scribe member and both pivotally and slideably connected to the tile engagement member.

Abstract: An outdoor grill of a teppanyaki style provides a grilling surface fueled with a propane/butane canister and burner arrangement. The grilling surface is surrounded by cool zones, one of which is in the form of easily removable tiles or plates. The pedestal and top are uniquely configured to provide multiple sitting areas with knee areas in between the pedestal and top periphery.

Abstract: A pellet stove is disclosed comprising a reverse flow heated air pathway defined by stove sections. In an illustrated embodiment, the space between upper and lower stove sections is open to provide a heating or oven area. The stove can be readily disassembled in part for easy portability.

Abstract: A household appliance includes a storage compartment and a useful storage volume that is closable by a door. The door is able to slide into the storage compartment with a guiding system during opening. To simplify the assembly of the household appliance, the useful storage volume is provided in a useful storage volume module while the storage compartment is provided in a storage compartment module. The two modules represent two separate components that are assembled so as to form the household appliance.

Abstract: A telescoping downdraft ventilator with a system for self-aligning a vent within a housing is provided. The telescoping downdraft ventilator of the present invention comprises a housing with a track, a vent sized to fit within the housing, a drive assembly that moves the vent along the track, and a guide attached to the vent for engaging the track, wherein the guide is operably coupled with a biasing element. In one embodiment, a pair of guides is respectively coupled with pair of compression springs and is positioned on opposite sides of the vent along a line that is substantially perpendicular to a pair of tracks.

Abstract: A device for recovering, harnessing and reutilizing heat from along a side wall of a cooking vessel, a cooking vessel comprising such device, and a method of using such device. The device can be constructed as part of the cooking vessel or can be an accessory that attaches to different sized cooking vessels via adjusting means. Specifically, the device is made of a highly conductive and durable metal or metal alloy and comprises a skirt-like body, extending from the side of the cooking vessel and attached to a perforated slip-like portion that may be attached to or integrated into the side wall of the cooking vessel. The device harnesses and reutilizes heat from the underside of the body and safely and efficiently transfers the heat to the cooking vessel through conduction. The device can further comprise diffusers, a bottom portion with a plurality of ventilation openings, and a heat shield.

Abstract: A respiratory treatment device comprising a flow generator and a humidifier adapted to receive a supply of air at positive pressure from the flow generator and deliver it to an air delivery tube, wherein the humidifier includes a base, a humidifier lid, and a water tank, and the water tank includes a water tank lid, the water tank is removably receivable in the base to define a first air flow path from the flow generator to an interior of the water tank, and the humidifier lid is connectable to the air delivery tube, and is adapted to form a seal with the water tank lid to define a second air flow path from the interior of the water tank to the air delivery tube.

Abstract: The present invention is directed to a helmet suitable for use in an operating room setting, an emergency room setting, a hospital setting, or a lab. The helmet of the present invention provides one or more of the following features: (i) superior barrier protection to a surgeon (or other operating room personnel) during a surgical procedure, (ii) a desired degree of air flow through the helmet so as to minimize the potential for carbon dioxide buildup within the helmet, and (iii) an integrated battery pack positioned within the helmet.

Abstract: An oxygen concentrator comprises an oxygen reservoir and adsorbent columns that each have an inlet, an outlet, and a bed of adsorbent material. The concentrator also comprises an air inlet, an exhaust outlet, and a vacuum pump for pumping nitrogen rich gas from one of the column inlets to the exhaust outlet. A product control pump pumps oxygen rich gas from one of the column outlets to the oxygen reservoir. A control valve controls flow in and out of the columns by selectively connecting the air inlet to one column inlet, connecting the vacuum pump to another column inlet, and connecting the product control pump to a column outlet. A motor drives the vacuum pump and control valve to produce vacuum swing adsorption (VSA) cycles in which oxygen-rich product gas is separated and accumulated in the reservoir.

Abstract: An opening device (40) for opening an individual reservoir (21) containing a single dose of fluid, such as powder, said reservoir (21) including a closure wall (23), said opening device (40) comprising perforator and/or cutter means (41) that are adapted to cut said closure wall (23) of the reservoir (21) in such a manner that the cut portion(s) (24) does/do not obstruct the opening(s) (25) that is/are formed.

Abstract: Described is a method and system providing therapeutic positive airway pressure to a particular area of patient's airways. The system may include a flow generator and a processing arrangement. The flow generator supplies an airflow to an airway of the patient. The processing arrangement is connected to the flow generator to control a supply pressure at which the airflow is generated by the flow generator. The processing arrangement continuously adjusts the supply pressure to maintain a pressure in a predetermined portion of the patent's airway substantially constant. The predetermined portion of the patient's airway includes a collapsible portion of an upper airway of the patient. The processing arrangement also controls the supply pressure to maintain the pressure in the collapsible portion of the patient's airway at a value at least as great as a tissue pressure below which the collapsible portion collapses.

Abstract: Respiratory apparatus comprising a ventilation mask (10) and means for supplying breathable gasses, under pressure, thereto and means for exhausting gases therefrom, is wherein the pressuring means is provided substantially at the inlet of the mask (10), thereby substantially reducing the length of the air supply hose to a ventilation mask (10), so that problems associated with high pressures and large volumes of dead space can be alleviated.

Abstract: The present invention provides an apparatus and methods for the administration of positive airway pressure therapies. The apparatus can include a housing, a blower and a mask. The housing is configured to be stably secured on the head of a patient. The blower is secured relative to the housing. A mask in fluid communication with the blower is configured to communicate pressurized air produced at least in part by the blower to the airways of a user.

Abstract: An open system provides breath-synchronized, flow-targeted ventilation to augment respiration by a self-breathing patient. A sensor detects a physical property of a patient's respiratory cycle. A processor monitors the sensor and controls a gas source to deliver oxygen-containing gas through a tube extending into the patient's airway with the flow rate varying over each respiratory cycle in a predetermined non-constant waveform synchronized with the respiratory cycle to augment the patient's spontaneous respiration. Gas is delivered at a flow rate sufficient to significantly mitigate the airway pressure the patient must generate during spontaneous breathing and thereby reduce the patient's work of breathing.

Abstract: The invention relates to a device for angularly positioning a member of a patient lying on an operating table (TO), comprising means for positioning a cradle (Be) supporting the member of the patient relative to lateral guide rails (RG1, RG2) of the operating table (TO). Said positioning means comprise: means (MS1, MS2, MS3) for fixing the cradle positioning means (Be) on either of the two lateral guide rails (RG1, RG2) of the operating table (TO), and; means for positioning this cradle (Be) along an axis (?3) contained in a plane parallel to that defined by the operating table (TO), and perpendicular to the principal axis (?) of the operating table (TO).

Abstract: Systems and methods are provided for resisting posterior movement of the tongue during sleep, thereby keeping an airway open. The systems and methods employ a first structure that can be placed either in or on a tongue within an oral cavity and/or in a region of hyoid muscle. The first structure includes a ferromagnetic material. The systems and methods employ a second structure that can be placed either in or on external tissue outside the oral cavity and/or in or on external tissue outside the oral cavity in a desired relationship with the first structure. The second structure includes a magnetic material that magnetically interacts with the ferromagnetic material by attracting the ferromagnetic material, thereby resisting posterior movement of the tongue.

Abstract: According to one embodiment of the invention, an apparatus used for collecting fluids during a medical procedure includes a fluid collection pouch having an open end, an inflatable bladder substantially surrounding a perimeter of the open end, and a pump coupled to the inflatable bladder. The pump is operable to inflate the inflatable bladder. According to another embodiment of the invention, an apparatus used for collecting fluids during a medical procedure includes a fluid collection pouch having an open end with a perimeter, a channel surrounding approximately one half of the perimeter of the open end, an inflatable bladder disposed within the channel, and a pump disposed within the channel and coupled to the inflatable bladder. The pump is operable to inflate the inflatable bladder.

Abstract: The combination chin protector and mouth guard provides a device for protecting both the user's teeth and chin. The device is particularly adapted for use in combination with a motorcycle or motocross helmet, for example. The combination chin protector and mouth guard includes a chin protector having opposed front and rear faces, and a mouth guard, adapted for insertion into the mouth of the user, having a front face adapted for positioning against the lips of the user and at least one substantially U-shaped recess being formed in the mouth guard to receive and protect the user's teeth. A support having opposed upper and lower ends is further provided, the upper end thereof being attached to the mouth guard, and the lower end thereof being secured to the chin protector in order to tether the mouth guard to the chin protector.

Abstract: An ultra thin ear plug enables sound protection to be conveniently carried inside a wallet. The ear plug is made of a slow-recovery thin foam strip. The user rolls the strip into a cylinder, compresses the cylinder and inserts the compressed foam cylinder into the ear canal. The foam strip can incorporate a pressure sensitive adhesive on one surface so that the ear plug retains the cylindrical shape after being rolled up. Tapered ends can assist sealing by minimizing the existence of an air gap at the center of the cylinder and on the ear canal. A flexible envelope about 0.008 inch thick and of credit card dimensions can provide packaging for two or more ear plugs and can provide a large surface area for promotional advertising. Total thickness of the packaged ear plugs can be thinner than 0.050 inch or the thickness of a credit card.

Abstract: A system and method for compiling and analyzing treatment parameters associated with medical treatments provided to a plurality of patients is provided. A report of the analysis may be provided to a technician or physician for determining medical treatment guidelines representing acceptable values for a selected treatment parameter in accordance with the analysis. The system may further automatically determine medical treatment guidelines and/or adjust preestablished medical treatment guidelines in accordance with the analysis.

Abstract: A method and apparatus for delivering energy during a surgical procedure such as phacoemulsification is provided. The method and apparatus include applying energy during at least one pulsed energy on period, typically sufficient or intended to rapidly induce and beneficially employ transient cavitation. Applying energy during the pulsed energy on period comprises applying energy during a first high energy period, and applying energy during a second nonzero lower energy period.

Abstract: A dispenser for dispensing a metered amount of liquid into a porous plug includes a casing which has an inlet passage adapted to receive a manually insertable porous plug. A reservoir disposed in the cavity contains the liquid. The reservoir has an outlet which is communicable with the inlet passage. A discharge mechanism disposed in the casing is actuable in response to the insertion of a porous plug into the inlet passage for producing a pressurized air flow which bears against a piston in the reservoir for discharging a metered amount of the liquid from the reservoir into the porous plug. The plug could constitute a filter attached to a tobacco column.

Abstract: A method of making palladium-containing nanoscale catalyst particles comprising subjecting a starting material to laser energy so as to form a vapor and condensing the vapor so as to form the catalyst particles. The catalyst comprises nanoscale particles of palladium and/or palladium oxide incorporated in and/or on nanoscale particles of a metal or metal oxide. The nanoscale catalyst, which can be incorporated in the tobacco cut filler, cigarette wrapper and/or cigarette filter of a cigarette, is useful for low-temperature and near-ambient temperature catalysis. The nanoscale catalyst can convert carbon monoxide and nitric oxide that are found in mainstream smoke to carbon dioxide and nitrogen, respectively. The nanoscale catalyst may also be incorporated into a hydrocarbon conversion reactor, into a vehicle exhaust emissions system, into a laser, into a fuel cell or used in an air filter or for emissions reduction in the cold starting of an automobile engine.

Abstract: The present invention relates to a dishwasher. A dishwasher includes a washing tub in which dishes are placed, a steam generator that generates steam and a nozzle part in which a flow direction of the steam is diverted at least one time to allow the steam exhausted to the washing tub.

Abstract: Apparatuses and methods can reduce washout water use and facilitate removal of waste. A transport vehicle can include a water holding tank, a washout tub, and a means for conveying water. Water can be conveyed from the water holding tank to clean concrete from utensils, chutes, pumps, and other implements through a hose. The water can then be separated from the concrete and conveyed back into the water holding tank using a hose and a strainer.

Abstract: A part of the opening of the nozzle insertion hole located in the liquid discharging direction relative to the nozzle inserted in the nozzle insertion hole is enlarged in the liquid discharging direction. Therefore, the droplets which have migrated to the nozzle insertion hole adheres to the internal surface in the liquid discharging direction relative to the nozzle, that is, to the slanted part via the enlarged part. Moreover, the slanted part is provided slanted from the central portion of the nozzle insertion hole toward the enlarged part and separated away from the central portion of the substrate top surface. Hence, the adhering droplets flow in the liquid discharging direction along the slanted part to be discharged from the opening of the nozzle insertion hole.

Abstract: A multi-chambered deposition pin wash station is provided. The wash station includes a lower chamber and an upper drain basin connected by a plurality of wash tubes. Cleaning fluid is provided to the lower chamber and passes through the cleaning tubes into the upper drain basin. The cleaning tubes are adapted to clean a single deposition pin with a single tube per wash cycle.

Abstract: An umbrella is provided that comprises a canopy and a support structure upon which the canopy is supported. The canopy can comprise a first panel and a second panel. The support structure can comprise a spacer configured to provide a gap separating the first and second panels to permit air to be vented through the canopy.

Abstract: A microfluidic case and an electronic device including a microfluidic case are described.

Abstract: A fluid passage is emergently-closed in a short time without causing a water hammer by an extremely simple device and operation. A water hammerless closing device includes an actuator operated valve provided in a fluid passage, an electro-pneumatic conversion device for supplying a 2-step actuator operating pressure Pa to an actuator operated-type valve, a vibration sensor removably secured to the pipe passage on the upstream side of the actuator operated-type valve, and a tuning box receiving a vibration detection signal Pr from the vibration sensor and delivering a control signal Sc to the electro-pneumatic conversion device for controlling the step operating pressure Ps? of the 2-step actuator operating pressure Pa so that, with the control signal Sc being regulated, the electro-pneumatic conversion device outputs the 2-step actuator operating pressure Pa with the step operating pressure Ps? capable of bringing the vibration detection signal Pr substantially to zero.

Abstract: A method for tapping a water line, the water line being buried below a subterranean frost line, the water line traversing a water meter box's lower end, and having first and second sections within the water meter box respectively extending upwardly to and extending downwardly from a water meter, the method for tapping the water line including steps of providing a flexible tube having an intake end and an output end, the flexible tube having a length sufficient for, upon attachment of the flexible tube's intake end to the water line within the water meter box, extensions and retractions of the flexible tube between first and second positions, the flexible tube's output end residing below the subterranean frost line while in the first position and the flexible tube's output end extending upwardly from the water meter box while in the second position; attaching the flexible tube's intake end to the water line within the water meter box; providing a spigot and attaching the spigot to the flexible tube's output en

Abstract: An emergency shutoff valve is provided that includes a housing defining a fluid inlet, a fluid outlet and a fluid flow passage extending therebetween. The valve includes a valve element disposed within the housing and releasably latched in an open position by a latching mechanism. An expansible member defines at least a portion of a sealed expansible chamber that is sealed at locations downstream and upstream of a weakened portion of the housing. The valve includes an access port in fluid communication with the chamber. The access port may be used to test the integrity of the expansible member. An expandable material may also be disposed in the chamber and used to shut off the valve on the occasion the housing is compromised to an extent wherein fuel can flow into the expansible chamber.

Abstract: A rupture disc assembly for pneumatic plugs constructed and arranged to cooperate with an aperture in an end casting or other plug component to expel excess air from the plug interior when a predetermined internal plug pressure is reached. The rupture disc holder assembly may have a two part body structure and be mounted to the inside or outside of the pneumatic plug. The rupture disc assembly utilizes a rupturable member in a flanged holder structure positioned in communication with the pneumatic plug.

Abstract: A dispenser (10) uses first and second flow controls (70, 73). The flow controls maintain first and second flow ranges independent of diluent pressure within a pressure range, wherein the use solution's concentration is maintained over the pressure range. A third flow control (75) may also be utilized in a third diluent passageway for maintaining a third flow range independent of the diluent pressure within the pressure range. A bypass valve assembly (41) is operatively connected to the third incoming diluent passageway. The bypass valve has a temperature control valve. The temperature control valve having a bypass passageway, wherein additional diluent is added to the use solution, thereby controlling the use solution's concentration.

Abstract: This invention provides a fire hydrant security system having an inner cap with an outlet port on a fire hydrant in a fixed position which includes a member capable of extending from the periphery of the inner cap into a slot in the inner part of an outer cap wherein the member's position can be retracted and retained in the inner cap, wherein said outer cap can be attached to the inner cap so that the outer cap can spin freely with respect to the inner cap, and a key wrench that's fits over the outer cap for aligning the outer cap and the key wrench in a fixed position so that a magnet located on the wall of the key wrench can be aligned with a slot on inner wall of the outer cap and wherein the rotation of the key wrench causes the magnet to align with the member and to extend the member into the slot on the inside of the outer cap thereby joining the outer cap to the inner cap.