Abstract: A magnetically driven pressure generator including a housing, flexible member, first magnetic force generator, and second magnetic force generator. The magnetically driven pressure generator oscillates the flexible member to increase or decrease the volume of a chamber, inversely increasing or decreasing the pressure of the chamber.

Abstract: A valve for a reciprocating machine is disclosed. The valve includes a seat provided with flow apertures therein. A valve closing member is adapted to co-act with the seat for selectively closing and opening the flow apertures. A cage is connected to the seat and forms a guide, in which the actuation stem of a valve closing member is slidingly engaged and guided.

Abstract: Aspects are provided for a case for a pump assembly having a base and an enclosure assembly. The enclosure assembly includes a case cover coupled to the enclosure assembly via a gasket, wherein the case cover and the enclosure assembly form a gap between the case cover and the enclosure assembly in a portion of the case cover without the gasket, a display, a plurality of bosses, a frame plate removable fastened to the plurality of bosses, wherein the display is fixedly attached to the case cover when the frame plate is fastened to the plurality of bosses, and one or more drainage channels disposed at an underside surface of the case cover, the one or more drainage channels being configured to divert fluid away from the display.

Abstract: A sealed connection device configured to connect a pump head with a pump on an additive pump. The sealed connection device may comprise an adapter and a sealing collar that inserts into the adapter. The sealing collar may comprise a body with a bore forming open ends, a shoulder disposed between the open ends, an annular detent adjacent the shoulder, annular grooves, one being disposed on the shoulder two others found on either side of the shoulder, and o-rings disposed in the annular grooves. The pump may couple with a first side of the adapter, the pump comprising a shaft that inserts in the bore of the sealing collar. The pump head may insert into a second side of the adapter so as to contact one of o-rings on the sealing collar.

Abstract: A fluid end for a fracturing pump includes a plurality of segments coupled together along a discharge axis, each segment of the plurality of segments having a plurality of suction bores. The fluid end also includes respective interfaces between segment pairs formed by adjacent segments of the plurality of segments, the interfaces coupling the segment pairs together. The fluid end further includes respective access areas proximate the respective interfaces, the respective access areas configured to provide access for mechanical couplings to join the segment pairs together.

Abstract: A fluid routing plug for use with a fluid end section. The fluid end section being one of a plurality of fluid end sections making up a fluid end side of a high pressure pump. The fluid routing plug is installed within a horizontal bore formed in a fluid end section and is configured to route fluid between an intake and discharge bore. The fluid routing plug comprises a plurality of first and second fluid passages. The first and second passages do not intersect and are offset from one another. The first fluid passages are configured to direct fluid delivered to the horizontal bore from intake bores towards a reciprocating plunger. The second fluid passages are configured to direct fluid pressurized by the plunger towards a discharge bore.

Abstract: A gas transfer and depressurization system that is configured to transfer gas from a first location to a second location wherein during the transfer of gas the pressure of the first location is reduced. The gas transfer and depressurization system includes a drive chamber having an interior volume with a drive assembly movably disposed therein. A first cylinder and a second cylinder are operably coupled to the drive chamber on opposing sides thereof. The drive assembly includes a drive rod having portions extending into the first cylinder and second cylinder wherein the drive rod has pistons formed on opposing ends thereof. A controller is operably coupled to a compressed air source and is configured to provide compressed air into said drive chamber so as to reciprocally move the drive assembly. Gas blocks and coupling block are additionally present and facilitate flow of gas intermediate the first and second cylinders.

Abstract: A scroll compressor includes a fixed scroll, a movable scroll, a main bearing housing and an axial compliance mounting mechanism. The fixed scroll is engaged with the movable scroll to compress a working fluid. The main bearing housing has a bearing surface for supporting a movable scroll end plate. The fixed scroll is fixedly connected to a connecting portion of the main bearing housing by the axial compliance mounting mechanism so that the fixed scroll can move in the axial direction by a predetermined distance. The fixed scroll further includes a flange extending radially outward from a circumferential wall portion, having an axial geometric center position between a first surface and a second surface and positioned such that the axial geometric center position is closer to the movable scroll end plate than the axial middle position thereof. The structure can prevent or reduce damage to the axial compliance mounting mechanism.

Abstract: A reversible gerotor pump system is provided. The gerotor pump system includes a cylindrical housing with a 180° slot, an eccentric ring with a locking pin fixed thereto and movably engaged in the slot; an outer rotor and inner rotor with meshed teeth, and shaft for driving inner rotor and system. The eccentric ring has a convex profile on the outer diameter. A positive contact system, which can be a spring-and-plunger system or frictional disc brake system is provided to increase frictional force between the eccentric ring and the outer rotor. The locking pin moves in the slot with clearance at both rotation directions to provide a self-damping effect. The suction port has prolongations at both upstream and the downstream sides to increase filling time such that the pump can have a fill speed of above 5000 rpm, and the volumetric efficiency is at least 90% at 5000 rpm.

Abstract: A scroll compressor comprises a partition plate, a compression mechanism, a capacity adjustment device and a sealing assembly. The sealing assembly isolates a back pressure chamber from a high-pressure space and low-pressure space. A first sealing portion is formed between the sealing assembly and the partition plate. The capacity adjustment device is provided with a variable pressure chamber and configured to establish or break the communication between a first compression chamber and the low pressure space by changing the pressure in the variable pressure chamber. According to the compressor, requirements for pressure in the back pressure chamber of the compressor in different load conditions can be balanced, the axial force on the compression mechanism can be reduced, the power consumption of the scroll compressor can be lowered, the system performance can be improved, and the manufacturing cost can be reduced.

Abstract: A minimum pressure valve (10) comprising a housing (17) with the valve inlet (11) and the valve outlet (12) connected with each other by a chamber and connecting space (22a, 22b), the minimum pressure valve (10) also comprising a valve body (21) set up in a chamber (20) moveably between a closed position in which the valve inlet (11) is closed and an open position in which the valve inlet (11) is open, the minimum pressure valve (10) also comprising components which are provided with a seal and/or sliding parts (24, 26, 30), whereby a subassembly (22) of the minimum pressure valve (10) can be disassembled and/or assembled through an opening (31) in the housing (17).

Abstract: A scroll compressor includes fixed and movable scrolls forming a compression chamber, a back pressure chamber, and outer and inner oil supply mechanisms that supply oil to outer and inner chambers of the compression chamber. The inner oil supply mechanism includes an oil supply portion formed in a sliding surface of the fixed scroll to communicate with a suction region of the compression chamber and a communication port passing through the sliding surface of the movable scroll to communicate with the back pressure chamber. The communication port communicates with the oil supply portion within a predetermined period in which a center position of a suction-side end of the wrap of the movable scroll in a thickness direction is located radially outward of a center position of a space between adjacent turns of a wrap of the fixed scroll, during one rotation of the movable scroll.

Abstract: Provided is a fluid pump assembly. The pump has a pair of housings magnetically coupled to each other. The first housing contains a drive motor and a magnetic assembly. The second housing contains a magnetic assembly and a blade for imparting movement to a fluid. As the first magnetic assembly is rotated by the drive motor, the magnetic connection to the assembly in the second housing causes the second magnet to rotate, driving the blade.

Abstract: A liquid cooling multi-pumping unit comprising a main body and first and second pumps arranged in series is provided. During operation, cooling fluid is sucked via a cooling fluid inlet into a first fluid chamber and then into a first central chamber opening to a plurality of curved blades of a first impeller assembled in a first pump chamber. From there, the cooling fluid travels and is sucked through a fluid distribution channel into a second fluid chamber and then into a second central chamber opening to a plurality of curved blades of a second impeller assembled in a second pump chamber, before exiting through a fluid outlet. The series arrangement of the first and second pumps increases head pressure, and provides sufficient liquid flow in the case where one liquid cooling pump fails. Additionally, lower energy consumption is achieved due to the lower operating speeds required.

Abstract: A sump pump system may detect and utilize motion or acceleration of water in sump basins when implementing control of sump pumps. To detect the motion or acceleration, the sump pump system may utilize a sensor that is configured to detect motion or acceleration, such as an accelerometer or gyroscope. The sump pump system may identify a water level in a sump basin based on the detected motion or acceleration, which may be compared to a reading or expected signal from the sump pump system's “typical” sensor (e.g., float switch) that is used to detect one or more water levels. In this manner, the sump pump system may detect a malfunctioning level sensor that is used by the pump to detect high-water and low-water marks at which the sump pump activates and deactivates, respectively.

Abstract: Centrifugal compressors can incorporate a side stream flow of intermediate pressure vapor between stages of that compressor. The side stream flow can be controlled by a side stream injection port controlled by a throttle ring disposed between stages of the compressor. The throttle ring can allow or obstruct flow through the side stream injection port. The throttle ring can extend and retract in a direction substantially perpendicular to the direction of flow from the first stage impeller to the second stage impeller. A method of operating a centrifugal compressor can include actuating a throttle ring by rotating a drive ring to adjust a flow of interstage fluid into the second stage impeller.

Abstract: A blower includes a housing including an inlet and an outlet, a bearing-housing structure provided to the housing and adapted to rotatably support a rotor, a motor provided to the bearing-housing structure and adapted to drive the rotor, and an impeller provided to the rotor. The bearing-housing structure includes a bearing shaft having a bearing surface that rotatably supports the rotor. The bearing shaft provides only a single bearing of the non-ball bearing type for the rotor.

Abstract: A cooling system for an electric motor includes means for mixing water with cooling air applied to the motor. The water is preferably provided as a mist of water droplets sprayed into cooling air e.g. cooling air generated by a propulsive element being driven by the motor.

Abstract: Disclosed embodiments relate to a combination axial fan and LED lighting system configured to fit into the footprint of a standard ceiling tile. Disclosed embodiments further include ceiling tiles with a built-in fan and/or LED lighting. The disclosed systems may include a housing container and an axial fan. The fan has a fan cavity including air diversion mechanism to direct air from the fan cavity toward the lighting and fan components. The inventions include an airflow surface to direct air existing the fan cavity along an LED light fixture. Moreover, disclosed embodiments include one or more UV light sources which irradiate contaminants as air flows through the ceiling tile.

Abstract: A neck fan, configured to be worn around a neck of a user, includes: an inner shell, disposed near the neck; an outer shell, connected to the inner shell and disposed opposite to the inner shell and away from the neck, wherein the outer shell and the inner shell cooperatively define a receiving space; a plurality of fan assemblies. Each fan assembly is received in the receiving space and connected to the inner shell and the outer shell. Each of the inner shell and the outer shell defines a plurality of air inlets, each fan assembly corresponds to both the air inlets in the inner shell and the air inlets in the outer shell, each of the plurality of fan assemblies is configured to intake air from an outside of the neck fan into the receiving space through the corresponding plurality of air inlets.

Abstract: Examples described herein provide a computer-implemented method that includes receiving training data indicative of incipient compressor surge for cabin air compressors. The method further includes generating, using the training data, a training spectrogram. The method further includes training, by a processing system, a machine learning model to detect incipient compressor surge events for the cabin air compressors using the spectrogram. The method further includes receiving, at a microcontroller associated with a cabin air compressor, operating data associated with the cabin air compressor. The method further includes generating, at the microcontroller and using the operating data, an operating spectrogram. The method further includes detecting, by the microcontroller associated with the cabin air compressor, an incipient compressor surge event by applying the machine learning model to the operating spectrogram.

Abstract: A fan control system includes a fan, a first temperature sensor, a calculating unit, a logic controller, and a memory unit. The first temperature sensor continuously senses temperatures of a device during a time period, in order to obtain a plurality of sampled temperatures. The calculating unit selects N1 latest sampled temperatures and N2 latest sampled temperatures from the sampled temperatures, and calculates a first average temperature according to the N1 sampled temperatures and a second average temperature according to the N2 sampled temperatures. N1 and N2 are positive integers. The logic controller is configured to select one of the first average temperature and the second average temperature to output as a compensation temperature. The memory unit is configured to store an operating table, and configured to output a rotational speed control signal to the fan corresponding to the operating table according to the compensation temperature.

Abstract: A method for preventing damage to a multiphase pump includes measuring a differential pressure of a fluid across the pump and an axial position of a rotor of the pump over a time period, calculating a pressure fluctuation by measuring a difference between a maximum and a minimum value of the measured differential pressure over the time period, calculating a dynamic axial position by measuring a difference between a maximum and a minimum value of the measured axial position of the rotor over the time period, comparing the calculated pressure fluctuation with an expected pressure fluctuation value, comparing the calculated dynamic axial position with an expected dynamic axial position value, and selecting an operating condition of the pump based on the comparison of the calculated pressure fluctuation with the expected pressure fluctuation value and of the calculated dynamic axial position with the expected dynamic axial position value.

Abstract: A turbo fluid machine includes a rotary shaft configured to rotate in one rotational direction, and a thrust foil bearing that includes: a plurality of bump foils each having a corrugated shape and a plurality of top foils each having a bearing surface that faces a thrust collar. Each bump foil is divided into an outer peripheral foil and an inner peripheral foil in a radial direction of the rotary shaft. Ridges on the outer peripheral foil are inclined in the other rotational direction of the rotary shaft while extending from an edge of the outer peripheral foil adjacent to an inner peripheral side toward an outer peripheral side, and the ridges on the inner peripheral foil are inclined in the other rotational direction while extending from an edge of the inner peripheral foil adjacent to the outer peripheral side toward the inner peripheral side.

Abstract: A side channel compressor for compressing a gas includes a housing and at least one impeller which is arranged in the housing and configured to be driven in rotation about a central axis. In addition, the side channel compressor includes at least one seal assembly arranged in the housing and including at least one sealing device configured to seal at least one gap between the housing and the at least one impeller and be forced radially outward with respect to the central axis in order to keep the at least one gap small. The at least one seal assembly also includes at least one sealing-device-holding device configured to hold the at least one sealing device in an axially secured fashion with respect to the central axis and which includes at least one main holding body.

Abstract: Rotor structure for a turbomachine, such as a centrifugal compressor is provided. Disclosed embodiments make use of venting/sealing arrangements effective for venting a tie bolt rotor so that, for example, an incipient leakage of a process fluid can be monitored. Additionally, in operation disclosed embodiments are effective to, for example, convey to the tie bolt a pressurized sealing fluid effective for reducing the likelihood of process fluid escaping to the atmosphere.

Abstract: A device for pumping fluid such as paints, sealants, caulks, and polymers made of a rotor assembly and a pump body. The rotor assembly contains at least one laminar flow element arranged in such a manner as to conduct the fluid from inlet to outlet as the rotor spins. The rotor may vary its distance from the pump body. This arrangement provides a rotor with exceptional capacity to pump without damage to the fluid media and to measure the fluid rate at low or high rotational speed with viscosity that can vary. The device also may provide a spray nozzle or nozzles that produce a multiplicity of spray patterns.

Abstract: Provided is a centrifugal fan. The centrifugal fan includes an air inlet, a shaft, and a plurality of blades. The blades are arranged around the shaft. Each of the blades includes an air guiding portion on a side of the blade facing the air inlet. The air guiding portion includes a first curve and a second curve. An air inflow channel is formed between the first curve and the second curve of two adjacent air guiding portions respectively. A width of the air inflow channel is expanded in a direction away from the air inlet according to an expanding ratio.

Abstract: A electric motor assembly includes an electric motor and a fan assembly coupled to the electric motor and configured to rotate therewith about an axis. The fan assembly includes a hub including a core ring, a first inner ring circumscribing the core ring, and a first plurality of circumferentially-spaced ribs extending between the core ring and the first inner ring. The hub also includes a second inner ring circumscribing the first inner ring and a second plurality of circumferentially-spaced ribs extending between the first inner ring and the second inner ring, and a plurality of circumferentially-spaced blades coupled to an outer periphery of the hub.

Abstract: An axial-flow fan includes: a hub; and blades disposed on an outer peripheral surface of the hub and spaced apart from each other in a circumferential direction. The hub includes: an outer wall having a tubular shape; an inner wall having a tubular shape and being disposed radially inward of the outer wall; a boss to which a shaft is mounted and that is disposed radially inward of the inner wall; a first sidewall connecting an end portion of the outer wall that is closer to a first side in a rotation axis direction of the hub with an end portion of the inner wall that is closer to the first side in the rotation axis direction; and a second sidewall connecting the end portion of the inner wall with an end portion of the boss that is closer to the first side in the rotation axis direction.

Abstract: A fan wheel and a radiator of a motor vehicle, the fan wheel having a hub to which a number of fan blades is connected. The fan blades each have a stabilizing structure of a first material, which is surrounded by means of a respective body of a second material.

Abstract: A washing machine includes a tub, a drum, a nozzle, a pump for circulating water from the tub, and circulation pipes for guiding water. The pump includes a pump motor, an impeller, and a pump housing including first and second circulation ports. The pump housing includes a rotating water current guide part and a biased water current guide part on an inner circumferential surface. The rotating water current guide part extends in a rotation direction of the impeller from a cut-off point that branches water into a first flow running along the rotation direction and a second flow running toward the first circulation port, and guides the first flow to the second circulation port. The biased water current guide part extends from the cut-off point to the first circulation port with an angle greater than 180° relative to the rotating water current guide part, and guides the second flow.

Abstract: Disclosed is a water pump with an adjustable water discharge direction, which comprises a pump shell, a rotating shaft, a rotor, a stator and an impeller; a mounting cavity and a pump cavity which are isolated from each other are arranged in the pump shell, and the pump shell is provided with a water inlet and a water outlet; the rotating shaft is rotatably arranged in the pump shell, a front end of the rotating shaft is located in the pump cavity, and a rear end of the rotating shaft is located in the mounting cavity; the rotor is arranged at the rear end of the rotating shaft and located in the mounting cavity; the stator is arranged in the mounting cavity and encloses an outer periphery of the rotor; the impeller is arranged at the front end of the rotating shaft and located in the pump cavity.

Abstract: A fan motor according to an embodiment of the present invention may include: an impeller a hub connected to a rotary shaft and at least one blade formed on the outer surface of the hub; a shroud surrounding the outer circumference of the impeller; and a coating layer coated on the inner circumferential surface of the shroud. The coating layer may include: a polymer having strength lower than the strength of the blade; and a plurality of beads mixed with the polymer and having strength higher than the strength of the polymer.

Abstract: A housing for a fan, in an embodiment for an axial or diagonal fan, with the fan including an impeller and at least one flow-through region, wherein immediately downstream of the impeller or the blades of the impeller in an outer region of the housing and thus in the flow-through region, multiple individual, free-standing guide elements are provided. A fan includes a corresponding housing.

Abstract: An air blower is provided. The blower includes a flow modulator tube assembly positioned to modulate the flow of air into the blower and to modulate the flow of sound out of the blower. The blower also includes a sound damper. The flow modulator tube assembly directs sound to the sound damper, and the sound damper absorbs and/or reflects the sound.

Abstract: A head unit device for controlling motion of an object includes shear thickening fluid (STF), an alternative STF (ASTF), and a chamber configured to contain a portion of the STF and the ASTF. The chamber further includes a piston compartment and an alternative reservoir. The head unit device further includes a reservoir injector configured within the chamber, and a piston housed at least partially radially within the piston compartment. The chamber further includes a set of fluid flow sensors and a set of fluid manipulation emitters to control the reservoir injector to adjust flow of the ASTF from the alternative reservoir to the piston compartment to cause selection of one of a variety of shear rates for a mixture of the STF and the STF within the piston compartment.

Abstract: A retainer nut assembly for a fluid end of a pump system includes a fastener with a generally cylindrical configuration, first and second ends, external threads configured to engage corresponding threads of a fluid end block, and a cavity formed at the first end. A suction cap is configured to sealingly fit to the fluid end block. A load piston is movably disposed in the cavity adjacent the suction cap. A bore is formed through the fastener in communication with the cavity and provided with hydraulic fluid. A pressure piston is movably disposed in the bore. A threaded passageway is formed through the fastener in communication with the bore and open to the second end. A locking bolt is disposed in the threaded passageway and, when inserted into the threaded passageway, contacts the pressure piston and generates fluid pressure on the load piston.

Abstract: A piston assembly for use in a gas spring or damper can include a piston rod partially positioned within a pressure tube, and a linear position sensing apparatus capable of tracking and determining the velocity of the piston rod. The linear position sensing apparatus can include a sensor, such as a waveguide sensor, connected to the piston rod such that the sensor moves with the piston rod. A beacon, such as a magnet, can be contained within the pressure tube and the sensor can detect the position of the beacon relative to the sensor.

Abstract: A vehicle including an embossed surface for improving aerodynamic characteristics includes a front bumper member provided at a lower portion of a front surface of a vehicle body of the vehicle. On a surface of a side surface portion of the front bumper member, the embossed surface having a directional pattern for assisting an airflow to direct in one direction along the surface is formed. The one direction is raised rearward relative to a front-rear direction of the vehicle body.

Abstract: A vortex ring generation device includes a casing having a gas passage and a discharge port, and an extrusion mechanism that extrudes a gas in the gas passage such that the gas in a vortex ring shape is discharged from the discharge port. V (m3) represents an extrusion volume, D (m) represents a diameter of the discharge port, L (m) represents a length of a cylinder having the diameter D and the volume V, and Re represents a Reynolds number of the discharged gas. 500?Re?3000 and 0.5?L/D?2.0.

Abstract: A fastener includes a main body having a tubular portion and a split portion that extends from a lower end of the tubular portion, and longitudinally includes a tapered section that tapers in a direction towards the tubular portion. The fastener further includes an expansion sleeve annularly surrounding the split portion, wherein the expansion sleeve longitudinally extends to a lower end of the tapered section.

Abstract: A joint system including a support device with a plurality of radial extensions extending in at least a first direction from the support device, each individual radial extension of the plurality of radial extensions terminating at a distal engagement end and a receiving device separate from the support device with a notch area to receive the distal engagement ends of each radial extension of the plurality of radial extensions and a contact area upon which a length of the radial extensions of the plurality of radial extensions engage when the distal engagement end of each radial extension of the plurality of radial extensions are engaged within the notch area. At least one radial extension of the plurality of radial extensions is configured to be flexible between a first position to provide for at least one of assembly and disassembly of the support device to the receiving device and a second position when the support device and the receiving device are assembled. Another system and method are also disclosed.

Abstract: Bearing assemblies for selectively coupling to surgical instruments A bearing assembly can include a housing with a cavity, a first race in the cavity that translates but does not rotate relative to the housing, bearing elements disposed in the first race that move radially in and out of a central passage of the first race, and a second race that is fixed in the cavity. The first race can be biased toward an opening of the cavity, the second race can surround the first race with an inner surface having a tapered diameter configured to contact the bearing elements as the first race moves distally relative to the second race and urge the plurality of bearing elements radially inward to selectively lock the bearing assembly to a surgical instrument disposed within the central passage of the first race.

Abstract: A gear device includes: a housing cover having an annular shape and including a center opening configured to dispose a connection shaft for a gear, the housing cover being disposed at one end portion of a housing in an axis direction, the housing having a cylindrical shape and configured to house the gear. At an outer surface of the housing cover, an assembling mechanism configured to detachably assemble another housing cover is provided.

Abstract: A lock ring to secure threaded components from inadvertent unscrewing, loosening or disassembling from each other. The lock ring can be constructed of relatively thin and pliable material. The lock ring has a central bore or hole and defines inner and outer ring surfaces. A plurality of locking tabs (including at least one bendable tab) extends outwardly from the outer ring surface, while at least one stand-off or spacer tab extends inwardly from the inner ring surface. Certain locking tabs can be bent or otherwise repositioned so that that they are received in aligned recesses in the threaded components. The lock ring can be installed between threaded components (such as, for example, wireline or electric line tools) and thereby prevents adjacent threaded components from unwanted or inadvertent rotation relative to each other.

Abstract: A bolt includes a shank having a first end, a second end, a first external thread proximate to the first end, and a second external thread proximate to the second end. The first external thread twists in a first direction, the second external thread twists in a second direction, and the first direction is different from the second direction. The first external thread includes a minor diameter, the second external thread includes a major diameter, and the minor diameter of the first external thread is greater than the major diameter of the second external thread.

Abstract: The connector is configured to couple a first section and a second section of an e-vaping device, and the connector includes a flange with a first end and a second end, a shaft extending from the first end of the flange, an outer shelf being formed by a portion of the first end of the flange, a cylindrical base extending from the second end of the flange, and an inner shelf within the connector, the cylindrical base and the inner shelf at least partially defining a longitudinal opening, the flange defining at least one first notch, the at least one first notch at least partially along the second end of the flange.

Abstract: A carrying rack connecting device is provided, including a connection rod and a connection assembly. The connection rod is configured to be connected to a mounting rod. The connection assembly has a base, an urging member and an operation member. The base is positioned inside the connection rod. The base has an operation space. The urging member is movably disposed within the operation space. The urging member has a first abutting portion. The operation member is disposed through the operation space and connected with the base. The operation member has a thread portion and an enlarged portion. The thread portion is screwed to the base. The enlarged portion has a second abutting portion. The second abutting portion is configured to push the first abutting portion.

Abstract: A coupling mechanism includes a cable including a cable end at an end portion, a slider including a coupling part coupled with the end portion, and a joint case including a slider housing space, wherein the coupling part includes a cable end housing part, and a separation restraining part restraining cable separation from the slider, and wherein the separation restraining part includes an installation space where the cable extended from the cable end is disposed with the cable coupled with the slider, an inlet opening in a direction perpendicular to a cable axis and allowing the cable to move in the direction and pass through the inlet, a passage part allowing the cable to move to the installation space through the inlet, and a first restriction part blocking a cable movement direction when the cable in the installation space moves in a direction parallel to a passage part's extending direction.