Abstract: Proposed is a method of controlling a portable air-flow guiding apparatus including adjusting at least one of an angle in a horizontal direction of a head unit including a sucking unit by a horizontal angle adjustment unit of the portable air-flow guiding apparatus and a height of the head unit by a height adjustment unit of the portable air-flow guiding apparatus according to a position of a heating source and a height of a cooking utensil.

Abstract: A ceiling fan includes an adapting assembly having at least one rotary shaft and a lower sealing ring. Each rotary shaft has a seat being semi-circular and a guiding portion being semi-spherical and having a guiding surface. The lower sealing ring has at least one protrusion. The guiding portion is mounted through the lower sealing ring and the guiding surface abuts against the at least one protrusion. With the seat of the rotary shaft being semi-circular and the guiding portion being semi-spherical, when the rotary shaft is rotated, the guiding surface and the at least one protrusion coordinate with each other to rotate. The adapting assembly has reduced volume. Accordingly, the ceiling fan is lightweight, has reduced power consumption and manufacturing cost, and is easy for installation.

Abstract: A fan assembly including a base arranged to support the fan assembly on a surface, an air flow generator that is arranged to generate an air flow, and an air outlet that is arranged to emit at least a portion of the air flow from the fan assembly is provided. The air outlet is arranged to be oscillated relative to the base. The fan assembly further includes a controller that is arranged to control the oscillation of the air outlet relative to the base. The controller is arranged to vary an oscillation speed of the air outlet for each oscillation.

Abstract: A portable air flow apparatus may include a base configured to be seated on a surface, a head comprising a suction inlet through which air is suctioned into the head and a discharge outlet through which the air suctioned in through the suction inlet is discharged, the suction inlet and the discharge outlet being horizontally spaced apart from each other at a right angle with respect to a vertical direction, and a column that connects the head and the base in such a manner that the head is vertically spaced from the base.

Abstract: An improved fan design with an impact absorbing structure is provided. The improved fan design includes a lower fan assembly connected to an upper fan assembly using a mounting bracket. The lower fan assembly may include a fan base having multiple supporting legs which are preferably rotatably connected to the lower fan assembly. The upper fan assembly of the present invention may include a fan motor and fan blades enclosed within a protective structure. The protective structure of the present invention may preferably include an outer fan cover, a fan grille, an external cage and a perimeter shock absorbing ring extending around the circumference of the outer fan cover. The perimeter shock absorbing ring may include an inner surface, an inner absorption layer and an outer surface. The inner absorption layer may preferably include one or more flexible ribs.

Abstract: The present disclosure relates to a fan and a method and device for controlling the fan. The method includes controlling, via a support rod control device, a swinging motion of the swingable support rod, wherein the support rod control device is provided between the swingable support rod and the fan base; determining, when the swingable support rod is swinging, a current swing angle of the swingable support rod; determining a current distance between the fan and a user; determining, based on the current distance and the current swing angle, an axial rotation angle of the fan head; and rotating the fan head based on the axial rotation angle to direct air at the user.

Abstract: A hybrid yoke including a center and yoke arms connected to flexure arms. An inboard centrifugal force bearing assembly connects to the yoke arm and a grip and an outboard shear bearing assembly connects to the flexure arm and the grip. In use, the center and yoke arms carry the centrifugal force at a position inboard of the flexure arm.

Abstract: A tri-hybrid yoke including a center ring connected to a CF fitting connected to flexure arms. An inboard centrifugal force bearing assembly connects to the CF fitting and a grip. An outboard shear bearing assembly connects to the flexure arm and the grip. In use, the center ring and the CF fittings carry the centrifugal force at a position inboard of the flexure arm.

Abstract: Techniques for forming and adjusting a magnetic tension mechanism are described herein. A system includes a first magnetic element in a first component of a computing device. The system includes a second magnetic element in a second component of the computing device, wherein the first magnetic component and the second magnetic component are to be held in tension by a magnetic force. The system also includes an adjustment mechanism to adjust the force required to decouple the magnetic elements.

Abstract: An electric motor includes a stator, a rotor provided rotatably about a predetermined rotational axis line relative to the stator, a cooling fan configured to rotate an impeller through a fan motor fixed to the stator, and a coupling unit configured to detachably couple the rotor and the impeller of the cooling fan. The coupling unit couples the rotor and the impeller while the fan motor is stopped, and decouples the rotor and the impeller after the fan motor starts.

Abstract: The present invention discloses a multiple shaking-head structure for a fan, comprising a front part of the fan, a shaking-head upper cover, a synchronous motor, a gear stand and a fixed frame, wherein the front part of the fan consists of a motor front cover, a motor and a motor rear cover; a first elastic clamp which has a first dentation structure is positioned on the motor rear cover; first springs and a first ball tack are positioned in the shaking-head upper cover, wherein the first ball tack is matched with the first dentation structure; the synchronous motor is positioned on a synchronous motor support, and a driving gear is fixed on the synchronous motor; a circle of annular gear is positioned in a disc above the gear stand, and the driving gear is engaged with the annular gear of the gear stand; a second elastic clamp is positioned below the disc of the gear stand and has a second dentation structure; and a second spring and a second ball tack are positioned on the side surface of the fixed frame, w

Abstract: A hanging structure for a wall fan, able to hang a wall fan on a wall, includes a board and a casing. The board to be locked on a wall is provided thereon with at least one first hanging member and at least one first locking member. The casing is provided therein with at least one second hanging member by which the casing can be hung on the first hanging member of the board. The casing is further provided with at least one second locking member to be locked together with the first locking member of the board to have the casing firmly fixed on the board and roughly covering the board. The hanging structure for a wall fan of this invention can simplify aligning, positioning and locking operation and can be firmly hung on a wall to avoid displacement for attaining effect of protection of the wall fan.

Abstract: The automatically attaching collar clasps are installed in an animal bait station. The bait station has an inlet so that when an animal is positioned in the inlet, a male clasp on one side of the inlet automatically converges with a female clasp on the opposite side to the inlet to create a ratcheting connection and thereby secures a collar around the neck of the targeted animal.

Abstract: An air circulator that includes an electronically commuted motor that is devoid of a transformer and utilizes line voltage as the signal voltage. The motor includes a rotatable blade assembly having at least one blade, wherein the blade assembly is connected to the electronically commuted motor, a housing that is operatively connected to the electronically commuted motor and having a line voltage input, and a switch that is secured to the housing and electrically connected to a signal voltage input of the electronically commuted motor and the line voltage input.

Abstract: A connector module comprises a casing, a rotating element, a fixing element and a connector. The rotating element is rotatably disposed within the casing. The fixing element is fixedly disposed within the casing. During the fixing element being fixed to the rotating element, the fixing element and the rotating element usually and electrically contact. The connector is disposed on the rotating element and electrically connects with the fixing element through the rotating element.

Abstract: A bladeless fan assembly includes a nozzle mounted on a base housing a device creating an air flow through the nozzle. The nozzle includes an interior passage receiving the air flow from the base and a mouth through which the air flow is emitted. The nozzle extends substantially orthogonally about an axis to define an opening through which air from outside the fan assembly is drawn by the air flow emitted from the mouth. The depth of the base in the direction of the axis may be no more than twice the depth of the nozzle. The assembly produces an air current without requiring a bladed fan, that is, the air flow is created by a bladeless fan.

Abstract: A fan cooling system has individual fan modules which are connected together in an end-to-end configuration, where one of the fan modules is connected to a mechanism which rotates the linear array of fan modules. The fan modules are substantially identical, which allows prefabrication of the fan modules prior to on-site installation of the system. Each fan module may contain water injection piping and nozzles, which allows the fan cooling system to dispense fog. The linear array of fan modules may be rotated along a longitudinal axis, such that the axial flow direction of the fans may be changed with respect to a vertical plane. A suggested use of the fan cooling system is for the cooling of livestock in large livestock structures.

Abstract: An electric fan includes a fan body having a fan shaft coupled to a fan motor. A fan motor bracket is connected to a fixing portion of the fan motor. A swivel shaft is coupled to the fan motor bracket. A sleeve is mounted around the swivel shaft and is coupled to an output shaft of a swivel motor. The sleeve includes an inner periphery having grooves. The swivel shaft receives an elastic element extending in a radial direction of the swivel shaft. A ball is mounted to an end of the elastic element. The ball is biased by the elastic element to be partially received in one of the grooves. If the fan body is impeded during the swiveling movement, the ball moves inward and compress the elastic element, disengaging the swivel shaft from the sleeve to reduce damage to the sleeve and the output shaft of the motor.

Abstract: A fan assembly includes a device for creating an air flow and an air outlet for emitting the air flow, the air outlet being mounted on a pedestal including a base and a height adjustable stand. The base includes an oscillating mechanism for oscillating the stand and the air outlet.

Abstract: A fan configured for integration with a structure having at least two support members is disclosed. The fan comprises a fan guard, a fan blade surrounded by the fan guard, and first and second mounting brackets. Each of the first and second mounting brackets is configured for connection to a respective one of the support members. The fan also comprises first and second connectors oppositely disposed on the fan guard and configured for connection to a respective one of first and second mounting brackets. The first and second connectors are adjustable with respect to the first and second mounting brackets, and the fan is configured to rotate between at least two struts. Rotation of the fan between the at least two struts is limited such that an opening defined by one of the struts and said fan guard does not exceed a predetermined size.

Abstract: A fan cooling system has individual fan modules which are connected together in an end-to-end configuration, where one of the fan modules is connected to a mechanism which rotates the linear array of fan modules. The fan modules are substantially identical, which allows prefabrication of the fan modules prior to on-site installation of the system. Each fan module may contain water injection piping and nozzles, which allows the fan cooling system to dispense fog. The linear array of fan modules may be rotated along a longitudinal axis, such that the axial flow direction of the fans may be changed with respect to a vertical plane. A suggested use of the fan cooling system is for the cooling of livestock in large livestock structures.

Abstract: A fan biasing transmission mechanism includes gearbox affixed to the rear side of the housing of an electric fan's fan motor, a control rod pivotally and axially movably mounted in the gearbox. a power gear fixedly mounted on the control rod and meshed with a motor shaft worm wheel of the fan motor, a driving gear pivotally mounted in the gearbox, a gear-clutch gear fixedly mounted on the control rod and movable with the control rod into mesh with the gear-clutch gear, a first bevel gear fixedly mounted on the driving gear, a second bevel gear meshed with the first bevel gear, a bracket, a crank arm pivotally coupled between the gear shaft and the bracket, and an elastic member connected between the gear shaft and the gearbox.

Abstract: An electric fan includes a fan shaft driven by a fan motor supported by a motor support. An oscillating device includes a rotational shaft connected to the motor support for driving the motor support to oscillate. A transmission gear has an axle connected to the rotational shaft and a gear wheel mounted around the axle and driven by a synchronous motor. An oscillating angle limiting switch detects a rotational angle of the rotational shaft and the gear wheel and sends a signal indicative of the rotational angle. A circuit board has a processor coupled to the oscillating angle limiting switch and receives the signal. A comparing program compares the rotational angle indicated by the signal with a selected one of a plurality of preset rotational angles. The synchronous motor is driven when the rotational angle indicated by the signal is equal to the selected preset rotational angle.

Abstract: The anti-Sudden infant death syndrome baby fan is a portable fan that can attach to a baby crib in order to provide air movement across an infant in order to prevent the likelihood of sudden infant death syndrome. The portable fan comprises a housing, foam blades, rubber mat, knob, ON/OFF switch, and battery compartment. The inclusion of foam blades is a safety design in that foam blades will not inflict any substantive injury to anyone who touches said blades while in motion, i.e. the infant. The portable fan can also be integrated into the design of a crib mobile in order to circulate air from above the crib.

Abstract: A fan with concealed oscillating mechanism includes a main housing, a first driving motor, a second driving motor and a curved link gear all located inside the main housing, and a set of blades located outside the main housing and connected to a rotating shaft of the first driving motor. The first driving motor has a connecting rod rotatably received in a receiving tube provided in the main housing. The second driving motor is located behind and connected to the first driving motor, and has a rotating shaft being perpendicular to that of the first driving motor. The curved link gear is connected at an end to the second rotating shaft and at another end to the main housing, such that when the second driving motor operates, the first driving motor is brought to oscillate while the set of blades stably rotates to thereby change the direction of produced airflow.

Abstract: The present invention provides an improved built-in swing mechanism of a rotary fan. The mechanism includes a ball-and-socket support frame, arranged onto front wall of the main casing corresponding to the axle center of a drive motor and provided with a spherical supporting surface and a through-hole. A spherical abut seat is fastened at a front end of the drive motor is provided with a spherical abut surface that couples with the spherical supporting surface. A punch hole is placed at the center of spherical abut surface for the penetration of the axle center. A crank linkage element is assembled between rear end of the drive motor and the rear wall of the main casing. The first end of the crank linkage element can be driven to enable the oscillation of the second end. The second end is assembled at a rotary pivot corresponding to the main casing.

Abstract: This patent discloses a fan capable of 360 degree continuous rotation. The fan may include an impeller positioned within the impeller housing, an impeller motor fixed to the impeller housing, where a control knob may control the impeller motor. The fan further may include an impeller shaft connected between the impeller and the impeller motor to rotate the impeller and the impeller housing may reside on a base. A contact ring may be positioned within the base. The impeller motor and the impeller housing may rotate relative to the contact ring, which may provide power to the impeller motor through brushes. A housing motor may be positioned within the base and be connected to the impeller motor to rotate the impeller motor. A housing motor switch may control the housing motor.

Abstract: A fan with concealed 360-degree oscillating mechanism includes a main housing; a pivot member vertically, pivotally and turnably mounted in the housing; a first driving motor having a forward first rotary shaft and horizontally, pivotally and turnably mounted in the pivot member; an oscillating mechanism assembled between the first driving motor and a rear end face of the main housing, and having a first end driving an opposing second end to rotate eccentrically; and a set of blades fixedly connected to the first rotary shaft to locate in front of the main housing. With the first driving motor pivotally connected to the pivot member and eccentrically connected to the oscillating mechanism, the set of blades can be oscillated 360 degrees while being rotated by the first driving motor; and parts inside the main housing undertake force evenly to enable stable operation of the fan and reduced stress fatigue of the oscillating mechanism.

Abstract: A wind mill structure of a lift-type vertical axis wind turbine. The lift-type vertical axis wind turbine includes a vertical shaft and the wind mill includes a plurality of blades and supporting arms. The supporting arms hold the blades, and the blades are connected to the vertical shaft via the supporting arms. A setting angle, formed by a chord of the blades and a tangent line that goes through the center of the blades, ranges from ?12° to 12°. An angle, formed by the chord of the blade and the rotatable supporting arm, ranges from 7° to 100°. The wind mill can maintain relatively stable rotation speeds under wind speeds exceeding the rated wind speed by adjusting the angle of the supporting arms, thereby ensuring stable output from the vertical axis wind turbine.

Abstract: The present invention provides a suspension type swing mechanism, which comprises: a fastening base, the circumference thereof is radially pivoted with a supporter, and the bottom thereof is installed with an axial hole; a swing member, the bottom thereof is connected to the top of a hung article, and the swing member is installed with an axially-extended axial tube which passes through the axial hole and penetrates into the fastening base; a transmission device, a motor thereof is fixed at the periphery of the axial hole, an output shaft of the motor is connected to the inner end of a crank set, the outer end of the crank set is provide with a sleeve member sleeved on the axial tube for forming a synchronous motion; and an axial rotation device, which further includes a first rolling mechanism installed between the hung article and the fastening base and a second rolling mechanism installed between the fastening base and the swing member; with the output of the motor, the sleeve member at the output end of t

Abstract: A fan includes a frame and a motor having (i) a motor structure that is movable in relation to the frame in a path of movement, and (ii) an output shaft that is rotatable in relation to the motor structure. The fan further includes at least one fan blade coupled to the output shaft so that rotation of the output shaft causes rotation of the at least one fan blade. Also, the fan includes a first housing portion defining a first cavity and a second housing portion defining a second cavity. The second housing portion is movable in relation to the first housing portion. One of the first housing portion and the second housing portion is fixed in relation to the frame. The other of the first housing portion and the second housing portion is fixed in relation to the motor structure. The first cavity of the first housing portion and the second cavity of the second housing portion collectively define a space in which the motor structure is positioned.

Abstract: A rotor assembly includes a rotor shaft rotatable about a rotor axis and a plurality of rotor blades operably connected to the rotor shaft. A rotor control assembly has a plurality of substantially concentric control tubes extending through the rotor shaft. Each control tube of the plurality of control tubes is operably connected to a rotor blade of the plurality of rotor blades such that movement of one or more of the control tubes of the plurality of control tubes along the rotor axis effects a pitch change in one or more rotor blades of the plurality of rotor blades. A method of controlling pitch of a plurality of rotor blades of a rotor assembly includes locating a plurality of concentric control tubes inside of a rotor shaft of the rotor assembly capable of changing a pitch of one or more of the rotor blades.

Abstract: A fan with concealed 360-degree oscillating mechanism includes a main housing; a pivot member vertically, pivotally and turnably mounted in the housing; a first driving motor having a forward first rotary shaft and horizontally, pivotally and turnably mounted in the pivot member; an oscillating mechanism assembled between the first driving motor and a rear end face of the main housing, and having a first end driving an opposing second end to rotate eccentrically; and a set of blades fixedly connected to the first rotary shaft to locate in front of the main housing. With the first driving motor pivotally connected to the pivot member and eccentrically connected to the oscillating mechanism, the set of blades can be oscillated 360 degrees while being rotated by the first driving motor; and parts inside the main housing undertake force evenly to enable stable operation of the fan and reduced stress fatigue of the oscillating mechanism.

Abstract: Disclosed is a rotary fan having a fan blade, a stationary guard surrounding the fan blade, a stationary motor housing rigidly affixed to the stationary guard, and a revolution mechanism. The revolution mechanism includes a rotary motor revolvably affixed to the motor housing at a universal pivot, the rotary motor having a rotating shaft engage the fan blade such that rotation of the rotating shaft causes rotation of the fan blade, and such that rotation of the fan blade causes an airflow. A revolution motor is rigidly affixed to the motor housing, and one of a link and a disk is rotated by the revolution motor and has an eccentric pivot rotationally engaging the rotary motor and configured to convert rotation of the revolution motor to conical revolution of the rotary motor relative to the motor housing about the universal pivot, such that the fan blade and the airflow revolve in a conical path.

Abstract: A fan with concealed oscillating mechanism includes a main housing, a first driving motor, a second driving motor and a curved link gear all located inside the main housing, and a set of blades located outside the main housing and connected to a rotating shaft of the first driving motor. The first driving motor has a connecting rod rotatably received in a receiving tube provided in the main housing. The second driving motor is located behind and connected to the first driving motor, and has a rotating shaft being perpendicular to that of the first driving motor. The curved link gear is connected at an end to the second rotating shaft and at another end to the main housing, such that when the second driving motor operates, the first driving motor is brought to oscillate while the set of blades stably rotates to thereby change the direction of produced airflow.

Abstract: An adjusting mechanism for desired angle of an oscillating electric fan is disclosed. The adjusting knob is conveniently located about the top rear portion of the fan motor, adjacent the clutch knob. Adjusting the oscillating angle may be made when the fan is at rest, when it is running and oscillating at the same time, or when it is running at a fixed direction. Adjusting is fast and simple, only one hand is needed and no tools and mechanical know-how is necessary.

Abstract: A fan assembly includes a device for creating an air flow and an air outlet for emitting the air flow, the air outlet being mounted on a pedestal including a base and a height adjustable stand. The base includes an oscillating mechanism for oscillating the stand and the air outlet.

Abstract: The concealed rotary fan includes a rotary vane, a drive motor and a base. The drive motor is assembled into the base. The first end of the drive motor with the revolving shaft can be assembled onto a front support in a rotary state. The second end of the drive motor is fitted with a crank link, the first end of which can be driven to make the second end rotate. The second end is screwed onto a pivot point on to the base. When the revolving shaft of the drive motor rotates, the second end of the crank link will rotate synchronously, enabling the drive motor and revolving shaft to rotate axially and obliquely along with the rotary vane. Thus, the rotary fan allows automatic change of the outlet direction through the axial rotation of the rotary vane, the outlet area being expanded to improve the actual applicability.

Abstract: A stable portable air moving device capable of generating an air stream elevated above a support surface allowing the air stream to be directed as desired by the user is provided. The device includes an air blower assembly located within an elongate housing generating an exhaust air stream that exits the elongate housing at an elevation above the air blower assembly.

Abstract: Outdoor high velocity wall and pedestal mounted fans, devices, apparatus, systems and methods of operation. The fans can have water resistant motor housings with at most one rear wall located opening for allowing a power cord to pass therethrough. The switches and pull chains are connected to the fan only through the bottom of the motor housing. The bottom of the motor housing can have a drainage hole for allowing excess moisture to drain therefrom. The motor housing can be stainless steel. Additionally, the motor housing can have a powder coat finish on all parts to reduce corrosion. The motor can be an oversized inverted outdoor rated oscillating motor having improved gear mechanisms for big torques and reduces heat rise during fan operation. The fan can operate under hot and cold temperature extremes as well as during wet and dry environmental conditions.

Abstract: A swing structure for a ceiling fan includes a reduction motor disposed with a driving wheel having its center fixed with a connecting rod. An intermediate aluminum ring is mounted on the outer circumference of the weight center of a fan motor, having a swing spindle provided with at least one first bearing, and a threading spindle disposed at the other end set therein with a second bearing. The swing spindle has one end connected with the connecting rod. The swing velocity of the ceiling fan is controlled by the reduction motor not affected by different rotating velocities of the fan motor. A hanging tube has its lower ends respectively fixed with the swing spindle and the threading spindle and its upper end secured on a support base, enabling a ceiling fan in stalled at different angles and still able to swing smoothly.

Abstract: An apparatus for oscillating a vane comprising a main lever pivoted at one end about a reference axis, and pivotally coupled at the other end to the vane about a vane axis remote from the reference axis; an angle change assembly connected to the vane such that rotation of the angle change assembly rotates the vane; and, a drive assembly, the drive assembly comprising a crank arm adapted to be pivoted about a fixed crank axis; a lever drive arm pivotally connected to the main lever at a point remote from the reference axis and pivotally connected to the main crank remote from the crank axis; a coupling member having first and second coupling arms connected together at a base, the base being adapted to pivot about a coupling axis; an angle drive arm connected at a first end to the angle change assembly for rotation thereof and pivotally connected to the first coupling arm remote from the coupling axis; the second coupling arm being pivotally connected to the lever drive arm remote from the coupling axis, the

Abstract: Adjusting mechanism for desired angle of an oscillating electric fan is disclosed. The adjusting knob is conveniently located about the top rear portion of the fan motor, adjacent the clutch knob. Adjusting the oscillating angle may be made when the fan is at rest, when it is running and oscillating at the same time, or when it is running at a fixed direction. Adjusting is fast and simple, only one hand is needed and no tools and mechanical know-how is necessary.

Abstract: A suspension type oscillation mechanism including a frame set having an upper frame with a frame hole, a casing secured to the frame set, a crank set, an axial barrel and a fastening rod. The crank set has cranks rotationally joining to each other and an end of the initial one of the cranks is connected to an output shaft of a motor eccentrically. The axial barrel is inserted into the frame hole and the casing hole. A bearing seat having an inner bearing pressed by an end of the axial barrel. The fastening rod set has a screw rod passing through a suspended article and the axial barrel. An upper end of the screw rod is connected to the crank set and the lower end is connected to the suspended article by a rod seat and a collar located on a top of the suspended article.

Abstract: A fan assembly has a base portion having a fixed base, a blower portion that includes an oscillating blower mount that is operably coupled to the fixed base, and a blower that is coupled to the blower mount and which oscillates when the blower mount oscillates. The assembly further includes a degree swing setting assembly that controls the degree of oscillation to be experienced by the blower mount.

Abstract: A combinative standing fan includes a vertical shaft fan, a first, and a second tubular cover. The first and the second tubular cover respectively consist of a front half cover and a rear half cove. The front half covers of the two tubular covers are provided with plural wind inlets, and the rear half covers of them are provided with plural wind outlets. The first tubular cover has a guide groove in an upper end, and the second tubular cover has a bottom edge at the bottom to fit with the guide groove so the second tubular cover may rotate relative to the first one, with the guide groove and the bottom edge. When the shaft fan operates, air comes in the wind inlets of the two tubular covers and blows out of the wind outlets of them. The second tubular cover is rotatable to the first one, letting the fan blow winds in many different angles or directions simultaneously.

Abstract: A portable, vertical tower fan capable of generating a vertically oriented exhaust air stream that conforms better to a user at an elevation above a support surface. The device includes an vertically elongated housing, an air blower assembly located within the elongated housing and a base provides a space saving design.

Abstract: A multi-fan assembly includes: a down rod assembly having a first end for fixing to a ceiling wall and having a second end provided with a canopy, a rotary assembly being fixed to a lower end of the down rod assembly and covered by the canopy. At both sides of the rotary assembly is provided with a fixed arm for connecting with a member fan respectively, a pair of vertical oscillating means are disposed between the fixed arm and the member fan, and a speed control device is mounted on the rotary assembly and then covered by the canopy of the down rod assembly.

Abstract: The invention pertains to a clutch for an oscillating fan wherein the clutch may be preadjusted for producing various degrees of oscillation, but will automatically adjust to a lesser degree of oscillation if the fan movement is restrained due to the fan's encounter with a stationary object. If necessary, the fan oscillation will automatically adjust to 0° oscillation if a severe obstruction is encountered.

Abstract: The present invention is a space saving home comfort device comprising a housing and an air generator. A support member has a predetermined length and a base member has a maximum width dimension BB. A predetermined rise height R provides support and elevation to the housing. The housing is either fixedly or rotatably coupled to an end of the support member and comprises at least one wall having a predetermined length L and a maximum cross-sectional width D taken along a horizontal plane, at least one inlet opening formed in the at least one wall, at least one outlet opening formed in the at least one wall, and an air generator positioned between the at least one inlet opening and the at least one outlet opening. The air generator provides exhaust air to the at least one outlet opening.