49results about How to "Minimal part" patented technology

A medical diagnostic instrument includes a housing containing at least one battery and a light source, such as a lamp, for illuminating a medical target. A switch includes a movable member that selectively moves at least one of the battery and the lamp into and out of electrical connection with the other. The instrument is preferably fabricated from a diecast or an extrusion process wherein a thin plastic sleeve member having text and / or graphic materials can be shrink fitted onto an extruded handle.

An electrode support structure has a slotted hub and an integral body with a mid-section and opposed pair of spline elements that extend from the mid-section. The mid-section is captured within the slot, securing the integral body to the hub with the opposed spline elements radiating free of the slot for carrying one or more electrodes.

A rear suspension system for a snowmobile includes a plurality of adjacent closed-loop tracks disposed in a rear tunnel of the snowmobile. Each of the plurality of adjacent closed-loop tracks are rotatably driven by a drive system. One of a plurality of independent suspension assemblies is disposed in each closed-loop track and the plurality of independent suspension assemblies articulate independently of each other during travel of the rear suspension system.

A noise muffler for the exhaust of waste gases from apparatus such as an oxygen concentrator, including a muffler core with an inlet to receive the waste gases and a plurality of bores in the core first to direct the waste gases through a filter material and a cap enclosing the filter material and forming a plurality of outlets to direct the waste gases out of the muffler, the bores and outlets positioned to cause the waste gases to change their direction of flow multiple times before exiting the muffler.

A bicycle seat gas spring adjustment system removably inserted into a bicycle seat tube, between the bottom bracket and the seat post. The gas spring action providing a counteracting force to a portion of the rider's body weight by which the rider can adjust the height of the seating surface by changing the proportion of body weight placed onto the seating surface of the bicycle, thereby moving the seating surface to a desired position.

A floor drain communicates with a vertical floor drain pipe. The floor drain has a flanged cylindrical body that fits within the vertical pipe or fitting, a ring that overlaps and is spaced above the flange, and a grate or cover that fits upon the upper surface of the ring. The ring is supported by elevating screws that pass through the flange of the body. Adjustment of the elevating screws enable the height and pitch of the ring and grate or cover to be quickly and easily adjusted.

A disconnect apparatus and method for use in a well bore. The apparatus comprises a top sub having a collet, and wherein the top sub has an external seal surface. The apparatus further comprises a bottom sub having a bore, and wherein the external seal surface and the bore cooperate. The apparatus further includes a support piston disposed within the collet, wherein the support piston has a plurality of fins formed on an outer portion of the support piston, and shear device, operatively attached to the top sub and the support piston, for attaching and detaching the top sub from the support piston. In one preferred embodiment, the collet member comprises a plurality of fingers having a gap between each individual finger. Also, the plurality of fingers may have an external thread formed thereon that engage an internal thread formed on the bottom sub.

A headgear for placing sensors on a subject's head includes a centerpiece; a plurality of arms attached to and radiating outward and generally downward from the centerpiece; and sensor tips attached to the dorsal ends of at least some of the arms. At least one of the plurality of arms is a lower arm that is elastic and / or spring-like. When the headgear is placed on a subject's head, the at least one lower arm is so disposed in relation to the maximum circumference of the subject's head that the at least one lower arm must be bent outward for placement of the headgear on the subject's head and thereby provide a reactive force toward the head that causes the at least one lower arm to grasp at least a portion of the head that is at and / or below the maximum circumference of the head.

A power converter having a pivotable and receivable power plug has a housing, an adapter board, a power output unit and a plug. The adapter board and the power output unit are mounted inside the housing. The adapter board has two conducting strips and a grounding strip. Each conducting strip has a shaft holder formed by bending a free end of the conducting strip, and two metal pivot shafts formed on two opposite sides of the plug are pivotally and respectively mounted in the shaft holders. The plug has a ground plate having a first engagement portion formed thereon. The grounding strip has a second engagement portion formed therein in a pivoting path of the plug to engage the first engagement portion and position the plug when the plug is pivoted and protrudes beyond the housing. Accordingly, the power converter can have a pivotable and receivable plug with minimum parts.

An elongated hollow handle forms a circular thru opening at one end. An annular ratchet gear is rotatably mounted within the handle and exposed in this opening and is adapted to carry a tool such as a die nut releasably secured within the gear and exposed thru opening. A double acting swivel pawl is centrally pivoted within the hollow handle and has two spaced pawl projections equally spaced from the pivot axis of the swivel pawl. A. transversely movable slider has opposite push buttons alternately protruding from the sides of the hollow handle; this slider has a spring bias plunger adapted to engage alternately opposite notches made in the rocker member on each side of its pivot axis. Therefore, a simple push on the protruding push button will change the direction in which the gear is rotated when swinging the handle back and forth. The gear has knurled exposed surfaces to enable manual grasping of the gear to brake its rotation during ratcheting.

The invention relates to a class of phenoxy fluoro-alcohols, their preparation, and their use as phase modifiers and solvating agents in a solvent composition for the extraction of cesium from alkaline solutions. These phenoxy fluoro-alcohols comply with the formula:in which n=2 to 4; X represents a hydrogen or a fluorine atom, and R2-R6 are hydrogen or alkyl substituents. These phenoxy fluoro-alcohol phase modifiers are a necessary component to a robust solvent composition and process useful for the removal of radioactive cesium from alkaline nuclear waste streams. The fluoro-alcohols can also be used in solvents designed to extract other cesium from acidic or neutral solutions.

Method for making a filter cartridge that is suitable for attachment to a respiratory mask. The method comprises the steps of (a) providing a mass of filter material; (b) providing a filter cartridge housing that has an inlet and outlet and a sidewall that includes sheet material; and (c) thermoforming the sheet material of the housing sidewall around at least part of the mass of filter material to place the housing sidewall in direct contact with the mass of filter material to encapsulate the filter material so that fluid is prevented from passing through the filter cartridge from the inlet to the outlet without being filtered by the mass of filter material.

A fluid-filled type engine mount having a pressure receiving chamber and an equilibrium chamber connected together through a first orifice passage, and an intermediate chamber connected to the equilibrium chamber through a second orifice passage. The intermediate chamber is partially defined by a movable film, and the pressure-receiving chamber and the intermediate chamber are situated to either side of the movable film. The movable film is a tabular rubber elastic body, and is imparted with non-linear spring properties in response to elastic deformation in a width direction thereof so that its deformation during input of idling vibration occurs in a low spring properties zone, whereas its deformation during input of vibration of greater amplitude than the idling vibration in a higher frequency range than a resonance frequency of the first orifice passage reaches a high spring properties zone.

A hold down mechanism controlling the top mat of crop material on a pickup belt platform includes a pair of support arms pivotally mounted on the opposite sides of the frame and extending longitudinally parallel to the rotatable pickup belt. A transverse cross member extends between the two support arms. The cross member has a tubular cross section and a transverse array of through holes, each through hole having a first opening and a diametrically opposite second opening in the tubular cross member, wherein the first opening is larger than the second opening. A plurality of hold down fingers are provided. Each finger has a flexible rod portion extending from and secured in a base portion. The base portion has a shoulder opposite the secured rod portion and a retaining portion extending from the shoulder opposite to the rod portion. A plurality of releasable retainers are provided. The base portions are inserted and mounted in the first openings in the tubular cross member so that the retaining portions extend through the second opening and are releasably secured adjacent the second openings by the retainers.

A magnetic reciprocating pump includes a tube having ends defining intake and discharge ports, first and second magnetic plungers axially aligned within the tube of corresponding cross section for reciprocation therewithin, and a plurality of longitudinally spaced coils circumscribing the tube for driving the plungers axially when electrically energized. A gap is defined between the plungers so that the first plunger is slidable between one tube end and the second plunger and the second plunger is slidable between the other tube end and the first plunger. The first plunger closes one port when moved thereagainst and has a peripheral flow path permitting flow when moved away. The second plunger closes the other port when moved thereagainst and has an outer peripheral flow path and a communicating inner axial flow path permitting flow when moved away. The plungers when moved together close the second plunger axial flow path.

A simplified rear suspension for a bicycle or the like comprises a wishbone seatstay structure. The wishbone structure is provided with a first extension extending toward the seat junction. A low friction guide component, for example a spherical element, is provided at the distal end of the extension. A second extension is provided at the seat junction, with a hollow interior for receiving the guide component. The guide component slides with little friction and play within the hollow interior. A stop member may also be provided within the hollow interior, stopping travel of the guide component under load. Motion of the rear wheel (via dropout) relative to the main frame (e.g., from the terrain) is translated into motion of the guide component within the hollow interior. The chainstays, in a pivotless arrangement, provide a moment which acts as a spring, resisting the motion of the dropouts and providing shock absorption and / or damping for improved ride and control.

A vehicle storage compartment / cupholder assembly having a molded base into which is mounted a pair of flexible invertible dividers that allow for the secure retention of various sized beverage containers. The flexible invertible dividers may be mounted and tensioned by an internal or external flexible divider spring. The molded base may have a liner mounted therein which may be a liquid barrier, a tensioning device in place of a traditional spring, or both.

A headgear for placing sensors on a subject's head includes a centerpiece; a plurality of arms attached to and radiating generally downward from the centerpiece; and sensor tips attached to the dorsal ends of at least some of the arms. At least one of the plurality of arms is a lower arm that is elastic and / or spring-like. When the headgear is placed on a subject's head, the at least one lower arm is so disposed in relation to the maximum circumference of the subject's head that the at least one lower arm must be bent outward for placement of the headgear on the subject's head and thereby provide a reactive force toward the head that causes the at least one lower arm to grasp at least a portion of the head that is at and / or below the maximum circumference of the head.

The shutter drive apparatus is an apparatus adapted such that the movement of any one shutter louver of a tilt-rod-less shutter results in the corresponding movement of all of the louvers of the shutter. The apparatus is preferably mounted within a tilt-rod-less shutter comprising a shutter frame having at least top and bottom horizontal rails, at least a first side stile and a second side stile, and a plurality of louvers rotatably mounted within the stiles such that a first end of the louvers are freely rotatable within the first side stile, and such that a second end of the louvers are drivably engaged to the apparatus. The apparatus includes a plurality of pinion gears, a face strip, opposing drive strips, and a retainer strip. Each louver is drivably engaged to a different pinion gear and each pinion gear is drivably engaged to the drive strips.

A rear suspension system for a snowmobile includes a plurality of adjacent closed-loop tracks disposed in a rear tunnel of the snowmobile. Each of the plurality of adjacent closed-loop tracks are rotatably driven by a drive system. One of a plurality of independent suspension assemblies is disposed in each closed-loop track and the plurality of independent suspension assemblies articulate independently of each other during travel of the rear suspension system.

An integral weighing device for determining whether the weight of a luggage container and its contents exceed a maximum allowable amount simply by suspending the container by its handle. If the container weighs more than a set amount the integral weighing device provides a visual cue that the container exceeds the predefined weight. The integral weighing device comprises a torsion spring mounted within a housing, and a cord attached to each end of the torsion spring and fed via a guide-way through and out of the housing to an externally accessible grip handle. An indicator arm is rotationally mounted to the housing. When a person lifts the luggage by the grip handle the force is transferred to the torsion spring causing angular deflection toward the indicator arm. If the container exceeds the set weight the indicator arm provides a visual cue that the bag exceeds the predetermined weight.

A header end hood mount for a harvester configured to allow an end hood on a corn header to pivot about a mounting assembly. The mounting assembly is connected to the frame for mounting the hood thereon and includes a mounting bracket affixed to the frame to allow the hood to pivot between a first position covering the row unit and a second position spaced outwardly and upwardly from the first position to provide improved access to a row unit covered by an end hood during normal operation. The header end hood mount is designed to provide a pivoting motion of the hood.

A decorative double-sided jewelry clasp for joining two ends of a jewelry chain together. The clasp comprises a rocker plate pivotally mounted to a base plate at a hinge. The hinge is formed by cooperating yokes extending from the center of each of the rocker plate and base plate. With plates facing, the yokes align and a pin is inserted there through to pivotally secure them together. A torsion spring is carried on the pin to bias the rocker plate versus the base plate. Further, the base plate has a short post at one end and a longer hook at the other, the hook looping around to the backside of the rocker plate, and thereby stopping counter-pivoting of the rocker plate. Both hook and post catch and secure the ends of the jewelry chain, with the spring locking the chain at both ends until a user depresses the rocker plate, thereby counter-biasing it open at both ends to release the chain.

A hand tool for measuring, scoring and cutting construction materials is disclosed. The tool includes a housing having first and second opposed walls, with a cutting blade opening and a catch at one end thereof. A pivot is located at an opposite end of the housing. A securement having a nose and a tail is pivotably held at the housing between the walls and is deployable therefrom, the tail connected at the pivot. The nose of the securement includes a cutting blade positioning portion, a tape measure blade receiving slot and a latching structure that is releasably engageable with the catch of the housing when the securement is pivoted to an operative position. Structure defining the tape measure blade receiving slot preferably includes a lip releasably engagable at the anchoring gap feature found in the blades of most typical tape measures.

A shade device for protecting a user from harmful sunrays is provided. The shade device may be held in the erected position with nubs such that to erect the shade device, frame support members are pushed to the erected position. To collapse the shade device, the frame support members are pushed past nubs. Accordingly, the shade device incorporates a simple push release mechanism to erect and collapse the shade device such that no assembly or disassembly of the shade device is required for tear down or set up.

The present invention provides a lotion pump, comprises: a nozzle head; a plunger connected with the nozzle head, in which an upper one-way valve is disposed; a container cap which is engaged with a mouth of a bottle; a housing, its upper end is connected to the container cap, and on its lower end there is a lower one-way valve; and a spring, its lower end abuts against the bottom of the housing, and its upper end abuts against the head of the plunger; characterized in that, the diameter of an upper portion of the plunger is larger than that of a lower portion of the plunger, thereby a step is formed at the position where the diameter is changed, said step forms a valve seat for said upper one-way valve. The lotion pump of the present invention can be realized by a very simple structure, minimum parts and a very low manufacturing cost. While greatly increasing the productivity, it can obtain good sealing and leak-proof performance.

A sequential air sampler is provided having a rotatable carrier adapted to support filter cassettes received from a supply magazine at a load station, transport them to a sampling station where gas flow is directed through that cassette, and then be transported to an unload station to be received by a storage magazine. A Geneva driver operated by a single motor provides intermittent rotation to the carrier between fixed positions. A cam rotates in concert with the Geneva driver so that a follower in reciprocating motion pushes up and then pulls down a pair of plungers for simultaneous cassette loading and unloading whenever the carrier is at one of its fixed positions. Magazines have magnetically actuated stoppers to keep the stack of cassettes in place until released. Magazines may also have a retaining lid with a position-adjustable piston to secure cassettes for transport.