80results about How to "Simple driving mechanism" patented technology

A symbol display device includes a first rotary disk with a small diameter and a second rotary disk with a large diameter, which rotate independently while overlapping with each other. A driving shaft, which is firmly fixed to the center of the first rotary disk, is penetrating a hole formed at the center of the second rotary disk. A plate-shaped flange is fixed to the second rotary disk so as to fill in the hole. A driving pipe is firmly fixed to the flange, and the driving shaft is rotatably inserted in the driving pipe. A first stepping motor is connected to the rear end of the driving shaft protruding from the driving pipe, to which a large pulley is firmly fixed. A small pulley is fixed to the driving shaft of a second stepping motor. Rotation of the second stepping motor is transmitted to the second rotary disk through a timing belt.

The present invention provides a planar magnetron including a surface for mounting a planar substantially polygonal target (2) having a substantially central target area for sputtering onto a substrate. The magnetron comprises an array of magnets (4) defining a closed loop magnetic field for generating an elongated plasma race-track above the target (2). Means for establishing cyclical, relative, substantially translational movement between the race-track and the target support surface are provided, the substantially translational movement being substantially parallel to this surface and the trace of the substantially translational movement being a two-dimensional figure. The periphery of the race-track lies substantially within said substantially central target area throughout each cycle, the establishing means being adapted to provide a substantially uniform erosion of the target (2) at least within said substantially central target area.

A powered gait orthosis is provided for exercising the legs of a patient, and includes a treadmill for acting on the feet of the patient and a pair of gait simulation assemblies disposed adjacent to the treadmill. Each gait simulation assembly includes a support arm including pivotally movable first and second depending arms, which further include drive means for movement thereof about first and second horizontal axis. The device further includes first and second attachment means on the first and second depending arms, for attachment to a patient's thigh and ankle, respectively. A lifting means including a drive means is supported in a vertically extending tower, which houses a gait simulation assembly. The lifting means lifts and holds a patient on the treadmill. Control means is provided to operate the depending arms in a controlled manner to cause the legs of the patient to move in a desired gait.

The present invention proposes a one-axis solar tracker system and apparatus which is simple to install, lower cost and with the provision of an electric-magnetic locking device to resist from medium to strongest wind condition like hurricane or typhoon. Solar farms is more and more popular to use one-axis tracker due to lower cost, higher wind resistance and easier for large scale solar farm installation, especially at lower latitude tropic zones. This disclosure proposes a one-axis tracker with multiple posts support using a single or dual linear actuators driving mechanism for rotation. It is also equipped with a wind lock device to lock the solar tracker in horizontal neutral position during strong wind condition such as hurricane or typhoon. The stepwise wind lock device can further be applied to locking the solar tracker following each step of linear actuator activation enabling the disclosed solar tracker to operate in windy conditions.

A security camera system includes: a camera module; a support portion arranged at one side of the camera module and connected to a housing bracket or an outside structure; a tilt axis portion connected to one side of the camera module and coupled to the support portion to be rotatable relative to the support portion; and a tilt motor configured to transfer a rotation force to the tilt axis portion and revolve around a rotation axis of the tilt axis portion during rotation of the tilt axis portion.

An eccentric rotation drive mechanism which is rotatably contained in a first slide container is provided with an outer cylinder, an internal cylinder which is housed at eccentric position thereof and a first air motor contained therein. One end of a rotation shaft portion, that is, a shaft of the first air motor is fastened to a hole making tool, the other end of which is coupled to the end surface of the outer cylinder through a first reduction device. The rotation of the air motor makes the hole making tool rotate and revolve and simultaneously the rotation of a second air motor mounted outside of a casing is transmitted to a ball screw through a rotation transmission device inside of a second slide container to advance and retreat a feed drive mechanism so as to machine a hole in a workpiece.

In a zoom lens of this invention, a first lens group having a positive refraction power, a second lens group having a negative refraction power, a third lens group having a positive refraction power, and a fourth lens group having a positive refraction power are arranged sequentially from an object side toward an image side, and the magnification is changed from the wide angle end of the zoom lens to the telephoto end thereof, and vice versa, by varying each distance between each pair of the first to the fourth lens groups. The first lens group includes a positive lens and a negative lens. The third lens group includes at least a positive lens and a negative lens arranged sequentially from the object side toward the image side. At least the positive lens of the third lens group is a spherical lens. That lens of the third lens group which is located closest to the image side is a lens having an aspherical surface on at least one surface thereof.

A solar reflection apparatus (60) is disclosed comprising a rotatable reflection (assembly 20) and a drive mechanism (12) which is operable to drive rotation of the reflection assembly (20) at its axis of rotation. The reflection assembly (20) comprises a curved linear reflector (4) defining a focal axis F, a counter weight (17) operable to balance the self weight of the reflector (4), and a support structure (15) via which the reflector (4) and counter weight (17) are rotatably mounted at locations along the focal axis F of the reflector (4). A solar collection apparatus (2) is also disclosed comprising a solar reflection (apparatus 60) as disclosed above and a heat collecting element (6), fixedly mounted along the focal axis F of the reflector (4). Also disclosed is a method of reflecting solar radiation comprising forming a reflection assembly (20), mounting the reflection assembly (20) for rotation about the focal axis F of the reflector (4) and driving rotation of the reflection assembly (20) at its axis of rotation. The reflection assembly (20) comprises a linear curved reflector (4) that defines the focal axis F, a counter weight (17) operable substantially to balance the self weight of the reflector (4), and a support structure (15).

The present invention provides a fragrance device for a vehicle capable of supplying plural fragrant ingredients to the inside of the vehicle as being contained in air flow of a vehicle-use air-conditioning device with a simple structure. The fragrance device for a vehicle according to the present invention includes a main body 10 having a fragrance retention container 5, an inlet passage 6, an outlet passage 7, an inlet passage opening/closing door 8 and an outlet passage opening/closing door 9, an actuator 11 fixed to the main body 10, and a cam 14 which rotationally drives a rotary shaft 12 of the inlet passage opening/closing door and a rotary shaft 12 of the outlet passage opening/closing door.

A sheet feeding device includes a sheet feed stacker and a transport belt disposed along a platen substantially horizontally; a discharge stacker disposed above the sheet feed stacker; and a light-shielding cover member provided between the platen and the sheet feed stacker for blocking light from the platen. The entire device is arranged above the platen, and it is easy to mount and dismount the device relative to the platen. An original is transported from the sheet feed stacker and to the discharge stacker along the platen with little damage.

The invention discloses a method and an apparatus for metal three-dimensional printing, in which the method for metal three-dimensional printing comprises the following steps: molten or softened flowable metal is placed in a build area used by a three-dimensional printing device, after having no fluidity, the molten or softened flowable metal is converted into metal built by printing, the molten or softened flowable metal is accumulated on the basis of the metal built by printing, until an object to be printed is built, and the accumulated metal built by printing forms the object to be printed; the key characteristics are as follows: in the building process, the interlayer binding force and the binding force between pixel points are changed through a manner of resistance heating; and a printing area for implementing resistance heating can be set. The metal component generated has high strength, high density, and high building precision, the building process of each pixel point is monitored, a removable auxiliary support can be generated synchronously, a large-scale component can be printed, and the apparatus is simple in structure and low in cost. The present invention possesses a substantial progress.

The invention provides adaptive deformable rear wings of a racing car, and belongs to the field of an automotive composite electromechanical system. Each adaptive deformable rear wing comprise a base, a plurality of deformation control drivers and surface skin, wherein, the surface skin is coated outside the deformation control drivers to form a rear wing main body; the base is arranged at the tail part of the racing car and is used for supporting the rear wing main body; each deformation control driver comprises drive joints, a shape memory alloy wire, a control module and an elastic element; and each deformation control driver is of a chain structure, the adjacent drive joints are movably chained together through a chained knuckle pin, the upper ends of the adjacent drive joints are connected together through the shape memory alloy wire, the lower ends of the adjacent drive joints are connected together through the elastic element, and the shape memory alloy wire is connected with the control module. The adaptive deformable rear wings provided by the invention have the beneficial effects that the wings generate greater downward force during the acceleration and brake process so as to obtain faster speed; during the high-speed running process, the wings can keep smaller resistance through shape adjustment so as to obtain higher speed; and the deformation control drivers are designed according to characteristics of shape memory alloy so as to simplify a drive mechanism.

The invention relates to a method and device for operating collimator (1) for limiting a beam of high-energy radiation (2) which, starting from an essentially point-shaped radiation source (3), is directed onto an object (4) to be treated and which is used especially for stereotactic, conformal radiation therapy of tumors, wherein the collimator (1) has an iris diaphragm (5) as a beam-limiting means. For such a collimator (1), a high degree of shielding for minimal overall height and with a variable opening size of the diaphragm opening (12) is achieved, in that the iris diaphragm (5) has at least three diaphragm leaves (6, 6′, 6″, or 7, 7′, 7″, 7′″, or 8, 8′, 8″, 8′″, 8″″, or 9, 9′, 9″, 9′″, 9″″, 9′″″) which have touching side surfaces (10) enclosing the same angle (α), wherein the diaphragm leaves (6, 6′, 6″, or 7, 7′, 7″, 7′″, or 8, 8′, 8″, 8′″, 8″″, or 9, 9′, 9″, 9′″, 9″″, 9′″″) open up a beam-limiting opening (12) such that a sliding movement (13) along the side surfaces (10) takes place by a number of diaphragm leaves (6, 6′, 6″, or 7, 7′, 7″, 7′″, or 8, 8′, 8″, 8′″, 8″″, or 9, 9′, 9″, 9′″, 9″″, 9′″″) which is reduced by at most one.

A calendar mechanism-equipped timepiece having a compactly constructed drive mechanism for driving first and second date indicators is offered. A timepiece equipped with a calendar mechanism has a drive mechanism, time display wheels, a first date indicator for displaying the ones digit of the date, a second date indicator for displaying the tens digit of the date, and a program wheel capable of intermittently rotating the first date indicator and the second date indicator based on the operation of the drive mechanism. The center axis of rotation of the time display wheels is located within the center hole of the program wheel under the condition where the time display wheels are rotatable. The first and second date indicators are placed in position adjacently to each other. Information about the date can be displayed from a window in the dial by one of the first date characters on the first date indicator and one of the second date characters on the second date indicator.

A platform 12 is supported by four belts 22 to 25. Of the belts 22 to 25, a pair of belts 24, 25 is attached to a pivoting arm 26 so that the pivoting arm 26 is pivotable around a pivoting shaft 28. Pivoting of the pivoting arm 26 absorbs, for example, the difference in length between the belts 24, 25. The present invention makes it possible to simplify an elevate and lower driving mechanism of the platform 12 and to easily adjust the lengths of the belts 22 to 25. The present invention also makes it possible to prevent vibration during elevation or lowering and to allow the belts 22 to 25 to stand long use.

The invention discloses an ultra-low bed, and belongs to the technical field of medical apparatus and instruments. According to the technical scheme, the ultra-low bed mainly comprises a bed and bedside frameworks positioned on the head and the tail of the bed, wherein the bed comprises a bed body and a bed frame for supporting the bed body; the bedside frameworks are connected with the bed frame; the bed body comprises a back frame, a waist frame, a seat frame, a thigh frame and a shank frame which are successively hinged to one another from front to back; the seat frame is fixed on the bed frame; the bed frame is provided with a first driver and a second driver which are provided with driving ends; the bed frame is hinged to a first connecting rod; a second connecting rod is arranged between the first connecting rod and the back frame; the driving end of the first driver carries out stretching motion to drive the first connecting rod to swing; one end of the second connecting rod is in linkage with the first connecting rod; the other end of the second connecting rod applies a force which enables the back frame to overturn vertically relative to the waist frame to the back frame; a hinge pin which is located in a swinging region of the first connecting rod is arranged on the waist frame; and the first connecting rod can applies a force which enables the waist frame to overturn vertically relative to the seat frame to the waist frame through the hinge pin. The ultra-low bed has the advantages of high stability and safety and long service life.

A traverse chassis supported in a swingable manner with respect to the main chassis and a disk transport plate provided along an opening are provided in the main chassis. The transport plate has a base part having a slender rectangular shape in plan view and a transport roller provided in the surface of the base part so as to extend in the longitudinal direction of the base part. The transport roller is provided such that its rotationally-moving shaft extends in parallel to an X direction, and an optical disk mounted on these components is loaded into or unloaded from an optical disk apparatus by rotation of the transport roller.

The invention discloses a 180-degree reciprocating transposition film attaching machine. The 180-degree reciprocating transposition film attaching machine comprises a workpiece conveying belt, workpieces, a cylinder, a base, a film piece conveying belt, a slider, a rotating disk, a vertical plate, a driven belt wheel, a synchronous belt, a driving belt wheel, a rack, a gear disk, a side vertical plate, a sucker, a fixed shaft sliding rod, a crank, a connecting rod, springs and a film piece attaching plate. The 180-degree reciprocating transposition film attaching machine is simple in structure, large in operating space, flexible in work station switching and accurate in position positioning and improves work reliability.

An actuating system for an actuatable door and to an actuatable door having such an actuating system. The actuating system comprises a rotatable latching shaft, a rotatable locking shaft, a latching device, comprising a latch, and a locking device. The latch is adapted to maintain the actuatable door in a closed position. The locking device comprises a locking cam, that is mounted to the locking shaft and that is adapted to engage with the latch in a closed and latched position, and a latch securing lever, that is driven by the locking cam and that is adapted to engage with the latch to maintain the latch in a closed and secured position.

A paper holder device to simplify the structure and reduce the cost and size of a paper holder device in which paper is fed from a paper roll and cut automatically by electrically-driven means. The paper holder device includes a paper supporting mechanism, a paper feeding mechanism, a paper receiving part, and a paper cutting mechanism for cutting paper, and the paper feeding mechanism and the paper cutting mechanism are configured to be alternatively driven by a single driving gear mechanism.

An image forming apparatus which includes a first image forming portion including a first photosensitive member, a first charging member for electrically charging the first photosensitive member to form an image thereon, and a first cleaning brush for cleaning the first charging member, a second image forming portion including a second photosensitive member, a second charging member for electrically charging the second photosensitive member to form an image thereon, and a second cleaning brush which has a longer brush length than that of the first cleaning brush for cleaning the second charging member, a driven mechanism for causing the first cleaning brush to be rotatably driven by the first charging member which is rotatably driven along with rotation of the first photosensitive member, and a drive coupling mechanism configured to drivably couple the second charging member and the second cleaning brush to transmit a driving force from the second charging member which is rotatably driven along with the rotation of the first photosensitive member to the second cleaning brush.

An overlock sewing machine including a main shaft rotated by a sewing machine motor; a vertically moving sewing needle and an overlooper and an underlooper respectively driven by the rotation of the main shaft; a single looper drive shaft forming overlock stitches in cooperation with the overlooper, the underlooper and the sewing needle and rotated by the rotation of the main shaft, shaft line thereof being arranged perpendicularly to the main shaft; and a swing generating member having first and second swing generating portions fixed to the looper drive shaft for swinging the overlooper and the underlooper respectively; a first and second swing link mechanisms, both of which extend perpendicularly to the looper drive shaft, swinging the overlooper and the underlooper by conveying the drive force generated by the first and second sewing generating portions.