555results about How to "Reduce sliding" patented technology

An improved adjustable mounting system for mounting a flat panel display to a surface. A mounting bracket is configured to attach to the surface, while an adapter bracket is operatively connected to the mounting bracket and is configured to operatively connect to the flat panel display. At least one carrier mechanism operatively connects the mounting bracket and the adapter bracket, the first carrier mechanism positioned with a set of substantially straight guide paths or surfaces to couple the adapter bracket to the mounting bracket. When the flat panel display is operatively connected to the adapter bracket and the mounting bracket is attached to the surface, the flat panel display is generally selectively rotatably positionable about an axis substantially parallel to the surface as a result of the interaction of the first carrier mechanism with the set of substantially straight guide paths or surfaces.

A thermal printer (110) includes a first thermal head (140), a first platen roller (130), first biasing means (142), a second thermal head (160), a second platen roller (150), and second biasing means (163). The first thermal head (140), the first platen roller (130), the first biasing means (142) are in contact with a heat-sensitive layer of thermal recording paper (113). The second thermal head(160), the second platen roller (150), and the second biasing means (163) are in contact with a heat-sensitive layer of the thermal recording paper (114). The second thermal head (160) is arranged onthe upstream side of the first thermal head (140) in a paper feed direction. A paper feed speed of the first platen roller (130) to the thermal recording paper (111) is larger than a paper feed speedof the second platen roller (150). The first platen roller (130) is in contact with the thermal recording paper (111) while being more slippery compared with the second platen roller (150).

The invention discloses a cantilever-type push-pull boat system for a plasma enhanced chemical vapor deposition (PECVD) device, comprising a cantilever pole mechanism, a side bindiny mechanism and a rolling linear guide sleeve assistant mechanism, wherein the rolling linear guide sleeve assistant mechanism which is used for guiding the horizontal movement and vertical movement of the cantilever pole mechanism is arranged on the rack of the PECVD device; the cantilever pole mechanism is fixed on the side bindiny mechanism; the side bindiny mechanism is connected with the rolling linear guide sleeve assistant mechanism; the rolling linear guide sleeve assistant mechanism comprises a fixed plate, a horizontal transmission assembly and a vertical transmission assembly; and the horizontal transmission assembly and the vertical transmission assembly respectively control the cantilever pole mechanism to drive raw materials to move horizontally and vertically. The cantilever-type push-pull boat system has the following advantages: a mode that an antilever pole extends into a reaction cavity to take and put a graphite boat is adopted, thus a transmission system is simplified, and the transmission efficiency is improved; a side fixing mode is adopted, thus silicon wafer fragments on the graphite boat can be prevented from falling on the system so as to prevent influence on the normal action of the system; and in addition, the space is saved, and a plurality of push-pull boats can simultaneously move.

The invention discloses a printing head for 3D printing. The printing head comprises a machine shell, a screw extruding system, an installation seat, barrels, valve needles and spray nozzles. A drive system is arranged at one end of the machine shell. The screw extruding system is arranged in the machine shell and is composed of at least two screws which are embedded internally and externally, and at least one screw is driven by the drive system. The installation seat is mounted below the screw extruding system. One or more inner holes are distributed in the installation seat in the axial direction, and a discharge outlet is formed in the top or the side face of each inner hole. The barrels are mounted in all the inner holes of the installation seat correspondingly, the barrels extend out from one end of the installation seat, and barrel feeding openings are formed in the top ends of the barrels. Valve cavities are formed in the barrels. The valve needles penetrate through all the valve cavities of the barrels to be mounted on the installation seat, and the gaps between the valve needles and the valve cavities form discharging channels communicating with the feeding openings of the barrels. The spray nozzles are arranged at the tail ends of all the barrels. The printing head for 3D printing is light in weight, small in size, capable of achieving high printing precision and printing speed, novel in design, high in practicability and high in economic value.

The invention relates to a device for providing skeletal support. A bone support device comprising an upright rod having a proximal and a distal end; at least one support member located near the proximal end for securing the rod to the bone; at least one distal anchoring element; and a vent member is provided.

The invention relates to a planetary gear transmission device based on a conjugate curve herringbone gear, and belongs to the technical field of gear transmission. The planetary gear transmission device comprises a sun gear, a planet gear, a planet carrier and an inner gear ring. The sun gear and the planet gear are driven by the conjugate curve herringbone gear to form a sun gear and planet gear engagement pair, and contact curves formed by tooth surface engagement points are conjugate curves. The planet gear and the inner gear ring are driven by the conjugate curve herringbone gear to form a planet gear and inner gear ring engagement pair, and contact curves formed by tooth surface engagement points are conjugate curves. According to the planetary gear transmission device based on the conjugate curve herringbone gear, few-tooth large-modulus optimization design can be carried out, the whole machine weight is effectively reduced, and the requirement for low weight is met; the bearing capacity is high, no axial force influence exists in the gear surface engagement process, relative gear surface sliding is reduced through point contact engagement, the transmission efficiency is effectively improved, and the whole machine service life is effectively prolonged.

The invention discloses a design method of an automatic orienting device for big ends of eggs. The automatic orienting device for the big ends of eggs comprises a rowing region, an overturning region and a combing region in sequential arrangement. Time t1 required for an egg to complete the maximum displacement A-L on support rollers along an axial direction within the rowing section is computed via a formula, length of the rowing section is obtained according to the time t1 and the formula; length W of a bending section of each limit guide rod in the overturning region is computed via the formula; length D' of the overturning region, time t2 required for an egg to complete the maximum displacement A-L on support rollers along an axial direction within the combing region is computed, and length of the combing region is computed; and total length of a working area is obtained by summing the B, the D', the P, the length of a feeding region and the length of a discharging region. By the aid of the design method of the automatic orienting device for the big heads of eggs, structural parameters of above regions and bending sections of the limit guide rods are optimized, structural size of a whole machine is further optimized, and transmission efficiency between the eggs and the support rollers is improved.

The present invention relates to a Membrane Electrode Assembly (MEA) which significantly enhances power density as well as structural reliability and method for producing the same. More specifically, it relates to the Membrane Electrode Assembly which has a plurality of protuberances and method for producing the same. The present invention involves making supporting bodies to have a plurality of protuberances on one side of the supporting bodies, forming a catalyst layer on one side of the supporting bodies having the protuberances, interposing a polymer-electrolyte-membrane between the supporting bodies, aligning the supporting bodies for the protuberances to engage each other; and hot-pressing the aligned supporting bodies. The present invention can increase the area of a three-phase boundary in which oxidation-reduction reaction of hydrogen and oxygen occurs and decrease resistance to ion conduction; consequently fuel cells have the characteristic of a large output of power density.

The invention discloses a two-stage plane steel ball reducer, and relates to the technical field of a movable teeth steel ball transmission device. A first-stage plane steel ball transmission system is arranged on a driving shaft through a first bearing component, and a second-stage plane steel ball transmission system is arranged on an output shaft through a second bearing component. The first-stage plane steel ball transmission system is connected with the second-stage plane steel ball transmission system through an intermediate transmission system. The intermediate transmission system can convert the swing output of the first-stage plane steel ball transmission system to rotary motion and convert the rotary motion to the swing input of the second-stage plane steel ball transmission system. The two-stage plane steel ball reducer has two-stage transmission and a large transmission ratio and has the advantages of a plane steel ball reducer. Moreover, a bearing is adopted to transfer power and can convert high-speed motion to low-speed motion, and the relative sliding between meshing pairs is reduced. Meanwhile, the driving shaft does not mesh directly with movable teeth, and thus the overall transmission efficiency of the reducer is greatly improved.

The invention provides an improved mobile storage apparatus in which the deckplate of a collapsible rolling table is mated to the bottom panel of a detachable cargo compartment by an interlocking interface to limit sliding and detachment during transport. The apparatus further includes supplemental casters to facilitate loading the cargo compartment and or the entire folded unit onto a table or vehicle, and some embodiments can themselves be used as display tables.

The invention relates to a knee joint flexibility auxiliary recovery device which comprises a thigh connecting mechanism, a shank connecting mechanism, an activity range adjusting mechanism and a flexibility control mechanism. The activity range adjusting mechanism comprises an inner shell and an outer shell, the inner shell is connected with the thigh connecting mechanism, and a spline is disposed in the center of the inner shell and connected with a wobble wheel which is provided with a pair of oscillating rods. The outer shell is connected with the shank connecting mechanism. The outer shell is a ring gear and is provided with a pair of flanges, the two oscillating rods are provided with a pair of limit buttons between the two flanges, the two limit buttons are respectively connected with a fan-shaped gear, and the upper portions are respectively connected with a pointer. The outer shell is provided with a sealed cover. The flexibility control mechanism comprises an outer shell and an inner shell, the inner shell is connected with the left side of the shank connecting mechanism, and the outer shell is connected with the left side of the thigh connecting mechanism. A rotating shaft is disposed in the center of the outer shell and fixedly connected with a button, a flat spring is clamped on the inner side of the rotating shaft, and both ends of the flat spring are fixed on the inner wall of the inner shell. The knee joint flexibility auxiliary recovery device can be widely used in research of knee joint recovery and contribute to medical rehabilitation programs.

The invention relates to a motor stator coil reshaping device which comprises a reshaping clamp, a driving mechanism, a transverse motion mechanism and a longitudinal motion mechanism, wherein the reshaping clamp comprises a left flange, a rolling wheel, a right flange, a fixed mandrel and a roller assembly; the right flange is fixed to the moving member of the transverse motion mechanism; the fixed mandrel is fixed on one side of the axial line of the right flange; the left flange is connected with the driving shaft of the driving mechanism; the rolling wheel is fixed on one side of the axial line of the left flange; the rolling wheel and the fixed mandrel are arranged on the same axial line; the left flange is over against the right flange; the roller assembly is fixed on the moving member of the longitudinal motion mechanism; and the roller is over against a position between the left flange and the right hand flange. Conductors in the reshaped coil are compact, can not easily loosen, and have the advantages of favorable dimensional uniformity and small degree of roundness. The invention increases the percent of pass of stator reshaping, and maximally reduces the slippage between the roller and the coil, thereby reducing the damage of the roller on the insulating layer of the coil. The invention has the advantages of simple reshaping operation, high reshaping efficiency and good product quality.