177 results about "Central plane" patented technology

A golf club head includes a center of gravity spaced less than 5 mm from a vertical center plane that is perpendicular to a striking face plane and extends through a striking face center. The golf club head also includes a first component having a first melting point and a first density and a second component having a second melting point higher than the first melting point and a second density less than the first density. And the second component (i) is at least partially encapsulated by the first component, (ii) extends into a hosel portion below a hosel bore, and (iii) has a mass less than about 5 g.

A press wheel includes a hub configured to rotate about an axis. The press wheel may further include a mounting portion removably attachable to the hub and having a center plane substantially perpendicular to the axis upon removable attachment with the hub. The press wheel may further include a plurality of tread portions connected to the mounting portion and configured to define a circumferential portion of the press wheel. The plurality of tread portions may have voids between adjacent tread portions. Each tread portion of the plurality of tread portions may include a tine extending away from the center plane.

The invention belongs to the technical field of microwave communication, and relates to a coaxial double-stop-band filter, which comprises an inner conductor, an outer conductor, an insulating medium body, a signal input port and a signal output port, and is characterized in that the inner conductor is coaxially sleeved in the outer conductor, and the insulating medium body is positioned between the inner conductor and the outer conductor; two ends of the inner conductor are respectively connected with signal connecting ends of the signal input port and the signal output port; the outer conductor comprises a metal cylinder, the two ends of the metal cylinder are fixedly connected with the signal input port and the signal output port respectively, two defected ground structures which are symmetrically distributed relative to the central plane of the outer conductor are arranged on the metal cylinder, and each defected ground structure comprises a first gap and three second gaps which are arranged in parallel at intervals. The length direction of the second gaps is parallel to the axial direction of the metal cylinder, and the three second gaps are communicated through the first gap. The dual-band interference suppression performance is excellent, the passband insertion loss is low, the structure is novel, the power capacity is large, and processing is easy.

A back sleeper pillow for supporting a head of a sleeper in a back sleeping position includes a pillow body having a frontside and a backside opposite the frontside. Each of the frontside and the backside is divided by a center plane. A primary head support surface is included on the frontside of the pillow body. At least one bumper adjacent to an edge of the primary head support surface and rising forward from the primary head support surface is included and configured to support the head of the sleeper in a neutral position during sleep. At least one shoulder horn extending down from the at least one bumper is included and configured to extend over a shoulder of the sleeper when the head of the sleeper is positioned on the primary head support surface.

The utility model relates to the technical field of vehicle engineering, and provides an exhaust pipeline, an engine and a vehicle, and the exhaust pipeline comprises a front cylinder group and a rear cylinder group. Wherein connectors, used for being connected with an engine, of a first manifold A, a second manifold A and a third manifold A of the front cylinder set are arranged at equal intervals, a gathering pipe A comprises a first section A and a second section A, the first section A is connected with the other end of the first manifold A and the other end of the second manifold A, and the second section A is connected with the other end of the second manifold A and the other end of the third manifold A; the guide lines of the first manifold A, the second manifold A and the third manifold A are arc curves, the guide line of the first section A is tangent to the guide lines of the first manifold A and the second manifold A, the guide line of the second section A is tangent to the guide lines of the second manifold A and the third manifold A, and the first section A and the second section A are connected through an arc chamfer; the rear cylinder set and the front cylinder set are arranged in an image mode with the center plane of the supercharger as the plane. Exhaust energy loss can be reduced, so that the engine is efficient and energy-saving.

A vibration damper for damping vibrations of a motor vehicle component is disclosed. The vibration damper is passed through by a transverse center plane, and the vibration damper includes a retention apparatus that can be fixed to a motor vehicle component. In embodiments, the vibration damper has at least two receptors that each have an inner side facing the transverse center plane and an outer side facing away from the transverse center plane, has a damper mass with a central longitudinal axis, and has at least two elastomer springs. In embodiments, the elastomer springs couple the damper mass to the receptors with an ability to vibrate, and at least one of the elastomer springs has a connection portion, between the damper mass and respective receptor, that extends at least mainly externally with respect to the respective receptor.

This invention relates to the field of parts processing equipment technology, and discloses a modular assembly and welding equipment for metal chassis parts. The equipment includes a processing table with adjustment slots on both sides of the top center of the processing table. A central plane seat, movable forward and backward, is slidably connected within each adjustment slot. A workpiece positioning mechanism, mounted on the processing table, is used to position the vertical columns and internal partitions of the chassis to be welded before processing. By adding and setting the pre-processing mechanism, the internal partitions can be uniformly preheated throughout the entire area. This method not only avoids softening and deformation of the sheet metal caused by localized overheating, but also slowly releases the residual lattice stress from previous bending and stamping processes, laying the foundation for subsequent welding shrinkage balance. Simultaneously, pulsed current further enhances the stress release effect, maintaining the original mechanical properties of the partitions without additional heat input and solving the problem of pre-processing lattice distortion.

The utility model provides a locomotive and train pipe bevel protractor, and relates to the technical field of locomotive and train pipe angle measurement. The locomotive train pipe bevel protractor comprises a leveling assembly and an angle regulator. In the first direction, the leveling assembly is opposite to the center face, in the second direction, of the vehicle body, the leveling assembly comprises an adapter and a horizontal regulator, the horizontal regulator is arranged on the adapter and connected with a cowcatcher of the vehicle body, the adapter comprises a horizontal part, and the horizontal regulator is used for keeping the horizontal part horizontal. The angle adjuster is provided with angle scale values and a pointer, the angle adjuster is arranged on the horizontal part, so that when the horizontal part is kept horizontal, the surface, provided with the angle scale values, of the angle adjuster is horizontal, the pointer corresponds to a preset angle on the angle scale values, and the angle adjuster is used for adjusting the deflection angle between the train pipe and the central plane; the deflection angle is equal to the preset angle. The locomotive train pipe bevel protractor can solve the problem of poor interface sealing caused by difficult adjustment of the train pipe angle.

According to the coil stock forklift, in the embodiment, the coil stock forklift is used for carrying a paper roll of gypsum covering paper and comprises a movable vehicle body, a portal is fixed to the front side of the movable vehicle body, a lifting frame is slidably connected to the portal, the front side of the lifting frame extends forwards to form at least two lifting arms, and the at least two lifting arms are arranged on the lifting frame in an inferior arc shape; the at least two lifting arms are symmetrically arranged left and right relative to the longitudinal center plane of the lifting frame, the at least two lifting arms are used for abutting against the cylindrical surface of the paper roll, and a lifting mechanism for driving the lifting frame to slide up and down is arranged on the movable trolley body; the lifting arms are arranged to be capable of being inserted into gaps between the adjacent paper rolls when the paper rolls are taken and placed on the paper stack. According to the roll stock forklift, the at least two lifting arms arranged in the arc shape are matched and abut against the cylindrical surface of a paper roll, the gravity of the paper roll is shared, the situation that the bearing capacity of a single lifting arm is large is avoided, then the structural strength requirement of the lifting arms is lowered, and when the paper rolls are taken and placed on a paper stack, gaps formed by stacking the paper rolls are effectively utilized; the paper roll paper surface can be prevented from being damaged during taking and placing.

The application discloses a kind of double-layer multileaf collimator leaf amplification factor adjustment methods, comprising: the grating blade stroke is segmented according to preset interval;Respectively, the upper grating and the lower grating are independently calibrated, the equal center plane field width of each segmented point is measured, and the amplification factor is calculated;For the segmented point that cannot be directly measured, segmented linear interpolation is used to complete;Amplification factor is written into control system and the whole stroke accuracy is verified through multi-field strip field.The application fits the nonlinear characteristics of single-focusing grating amplification factor by segmented measurement, adapts to the difference of double-layer structure by independent calibration of upper and lower layers, realizes full-stroke coverage by interpolation completion, and finally improves the positioning accuracy of field boundary, significantly improves the accuracy and safety of radiotherapy.

The invention relates to a sensor assembly for a motor vehicle, which can be fixed on a windshield (6) of a motor vehicle and comprises a holder (8), a camera (10) and a rain-light-sunlight-moisture sensor (12) having a main body (14) and a lateral protrusion (16). The lateral protrusion (16) has an opening (18) for measuring the air humidity. The longitudinal extension of the lateral protrusion (16) extends obliquely with respect to a longitudinal center plane (M) of the sensor assembly. The invention also relates to a mirror assembly comprising such a sensor assembly.

The present invention relates to a double-sided negative turning insert for metal cutting, comprising a body including an upper surface (1) with a major upper support surface (14), a lower surface (2) with a major lower support surface (15), a peripheral side surface (3) connecting the upper surface (1) and the lower surface (2), and a central plane located between the upper surface (1) and the lower surface (2). The peripheral side surface includes a total of three corner side surfaces (4), each of which is located at a respective corner of an imaginary triangle (10) having three sides when viewed from above. The peripheral side surface includes a total of three major side surfaces (5), each of which extends from a respective associated first corner side surface (4) to a respective associated second corner side surface (4) along a respective associated one of the three sides of the imaginary triangle (10). At least one of the three major side surfaces (5) includes a primary support surface (13). At least one major side surface (5) further comprises a total of a pair of oppositely facing secondary support surfaces (21), each of which extends inward relative to a respective one of the primary support surfaces (13), and each of which extends perpendicular to the central plane.

Provided is an orthodontic appliance, comprising a fixed base (1) that can be bonded and fixed to a tooth surface, a movable wing (2), and a spring (3). The movable wing (2) is slidably positioned on the fixed base (1); a bottom surface of the fixed base (1) is machined with a bonding pattern, one end of the surface is machined with a wing base (12), and the middle of the wing base (12) is provided with a sliding groove (121) in a direction of the central plane; the movable wing (2) comprises an occlusal splint (21) and a sliding rod (22), and the sliding rod (22) is positioned in the sliding groove (121) and can move back and forth along the sliding groove (121); the spring (3) is sleeved on the sliding rod (22), and one end of the spring (3) abuts against the wing base (12) and always maintains a tendency in which the movable wing (2) is away from the wing base (12); the occlusal splint (21) can move toward the wing base (12) end under the driving of the tooth occlusal force and generate an orthodontic thrust on the wing base (12) by means of the spring (3). Using the occlusal splint (21) on the movable wing (2), the occlusal force generated by each occlusal action is picked up and converted into an adduction force on the anterior teeth, thereby forming a dynamic orthodontic process and minimizing the impact on the posterior teeth.

Convertible top of a convertible vehicle, comprising a convertible top cover (11) and a convertible top frame (12) which is adjustable between a closed position, in which a vehicle interior is spanned, and a stowed position in which the vehicle interior is open upwards, and which, with respect to a vertical longitudinal center plane of the convertible top, has on both sides a linkage arrangement (13) comprising two main links (20, 21) which are pivotably mounted on a vehicle-fixed main bearing (24) and of which one is driven by means of a main drive, wherein between the linkage arrangements (13) arranged on both sides surface bows extend, of which a first is a front bow (14), a second is a front center bow (15), a third is a rear center bow (16) and a fourth is a rear window bow (17), characterized in thatthat in the stowed position the rear center bow (16) is arranged below the rear window bow (17) and that two adjusting links (58, 59) are articulated to the rear center bow (16), one of which is driven by means of a drive element and at least one of which is pivotably mounted on the main bearing (24).

The invention provides a tensegrity inspired buffer mechanical metamaterial structure, which relates to the technical field of buffer materials and comprises an upper-layer buckling structure, an upper-layer connecting structure, a lower-layer connecting structure and a lower-layer buckling structure, the upper-layer buckling structure and the lower-layer buckling structure are correspondingly arranged in the vertical direction and cover the outer side of the upper-layer connecting structure and the outer side of the lower-layer connecting structure correspondingly. The upper-layer buckling structure and the upper-layer connecting structure are both circumferential array structures and respectively comprise buckling units and connecting units which are in one-to-one correspondence in number; each buckling unit comprises a supporting framework, a deformation main body, a supporting seat and a connecting interface; each connecting unit comprises a connecting part and a coupling part used for being matched with the buckling unit; the inner connecting bulge of the buckling unit and the coupling part of the connecting unit form embedded coupling connection; the upper-layer outer connecting protrusions of the upper-layer buckling structure and the corresponding outer connecting protrusions of the lower-layer buckling structure are directly and fixedly connected at the central plane of the metamaterial.

A fiber reinforced plastic member for a vehicle body includes: a plurality of first reinforced fiber layers, a plurality of second reinforced fiber layers and a matrix resin. The first reinforced fiber layers includes reinforced fiber bundles which are not spread. The second reinforced fiber layers includes reinforced fiber bundles which are spread and continuously stacked. The matrix resin is impregnated into the first and second reinforced fiber layers. When a load is generated in an in-plane direction by an external force bending the fiber reinforced plastic member a tensile force acts on the fiber reinforced plastic member a region of a bending outer side is defined as a tensile side region on which a tensile stress acts with respect to a center plane having a thickness of the fiber reinforced plastic member. The second reinforced fiber layers are arranged in the tensile side region.

The invention discloses a high-stability static pressure guide rail device for heavy equipment, and relates to the technical field of precision mechanical guide rails, the bottom surface of a movable sliding table is fixedly connected with a pull-down constraint support, a plane static pressure oil cavity group is located on the bottom surface of the pull-down constraint support, and the bottom end of a plane oil supply channel extends into the plane static pressure oil cavity group; and the V-shaped sliding rails are fixedly connected to the two sides of the bottom face of the movable sliding table, the V-shaped static pressure oil cavity sets are located on the side faces of the bottoms of the V-shaped sliding rails, and the bottom ends of the V-shaped oil supply channels extend into the V-shaped static pressure oil cavity sets. The comprehensive bearing capacity of the guide rail is remarkably improved, the large-load requirement of heavy equipment is met, the central plane supporting area provides main vertical bearing capacity, the double-V-shaped guide rail provides multidirectional constraint and auxiliary bearing, and the lateral constraint structure provides static pressure support in the horizontal direction.

The utility model discloses a kind of stamping die of orientation precision, it is related to stamping die technical field, including the upper die and lower die connected by guide pillar;The upper end surface of lower die is equipped with die holder, two stamping grooves are provided on the die holder, and guiding groove is opened between two stamping grooves;The upper end surface of upper die is equipped with die handle, the lower end surface of upper die is equipped with two stamping head of interval arrangement, and guiding block is protruded between two stamping head;Two stamping head and two stamping groove are one-to-one adaptation, guiding block is adapted with guiding groove;Along the direction of closing die, the length size of guiding block is greater than the length size of stamping head;The two side walls of guiding block are concave arc surface structure, and two concave arc surface structures are about the center plane of guiding block symmetry, the inside wall of guiding groove is the inner convex arc surface structure that is complementary with the concave arc surface structure;Iron can stamping precision and die service life are improved.

This invention discloses a single-cylinder bidirectional pressing and bending device for thick strapping, relating to the field of steel strip bending machinery technology. It includes a guide groove and a hydraulic cylinder. The piston rod of the hydraulic cylinder is connected to the rear end of a cross-shaped slider via a connecting sleeve, and a limiting screw is installed at the front end of the cross-shaped slider. The cross-shaped slider is slidably mounted between an upper guide rail and a lower guide rail. The upper guide rail is fixed to the lower surface of the bending cover, and the lower guide rail is fixedly mounted on the upper surface of the bending base. Two bending heads, two pressing plates, and two positive and negative connecting rods are staggered and overlapped on the vertical center plane of the bending base. The pressing plates are respectively installed in the inner cavity of the bending heads via return springs. The two ends of the positive and negative connecting rods are respectively hinged to the cross-shaped slider and the bending head via pins. The guide groove is installed at the front end of the heat insulation plate. This invention adopts a bidirectional pressing and bending structure design, achieving pressing and bending of strapping in two opposite directions on both sides of the central hole in a single action, providing high speed and adaptability to on-site production requirements.

The utility model provides a tire tread structure and a tire with the same. Pattern units of the tire tread structure comprise first transverse pattern blocks and second transverse pattern blocks, wherein the first transverse pattern blocks and the second transverse pattern blocks form a herringbone structure; the central pattern blocks are located between the first transverse pattern blocks and the second transverse pattern blocks, and at least part of the central pattern blocks coincide with the central plane S; wherein two longitudinal grooves are formed between the central pattern blocks of the plurality of pattern units and the transverse pattern structures of the plurality of pattern units in a surrounding manner, and the opening width W1 of each longitudinal groove and the tread width TR of the tire meet the following condition: 0.0535 TR < = W1 < = 0.0575 TR; a transverse groove is formed between every two adjacent transverse pattern structures in a surrounding mode, and the opening width W2 and the opening width W1 of each transverse groove meet the condition that W2 is larger than W1. The self-cleaning tire effectively solves the problem that the self-cleaning performance and the driving stability of the tire of the agricultural machine in the prior art are poor.

This invention relates to improvements in mirror devices. In one embodiment, a lampd mirror device is disclosed, comprising a mirror and a first lamp assembly and a second lamp assembly positioned along opposite first and second sides of the mirror, each lamp assembly transmitting light along a main optical path to a central plane. In another embodiment, a lampd mirror device is disclosed, comprising a mirror and a lamp assembly having a light source mounted to the mirror, the lamp assembly including an illumination element that receives light from the light source and emits at least a portion of the light from a front emitting surface of the illumination element. In yet another embodiment, a cabinet device is disclosed, having a door that can be raised or lowered and can change between an open angle orientation and a closed angle orientation when raised or lowered.

A headboard or footboard frame is mountable on an end of a mattress frame and adapted to carry a detachable headboard or footboard frame that, in an intended use position, forms a decorative support at a right angle to a support surface of the mattress frame and projecting from a head or foot end of the mattress frame. The headboard or footboard frame has two subframes pivotally connected to each other for movement between a transport position with the subframes folded on top of each other and a use position with the subframes are folded apart next to each other and lying in a common plane. Each subframe has an outer edge attached to first bars that are offset in the transport position to a central plane and that in the use position project at a right angle from the common plane of the frame parts.

An article of footwear with a closure system includes an upper and sole structure defining a central plane penetrating a toe end and a heel end; a plurality of retainers arranged along the upper and intersecting the central plane; and a rope including a first section and a second section. The cord is configured to engage the plurality of retainers to adjust the tightness of the footwear such that at least one of the plurality of retainers is not engaged by the cord.

This electronic component–embedded substrate 1 comprises: a core layer 10 having a cavity 15 penetrating in the thickness direction; an electronic component 20 embedded in the cavity 15 of the core layer 10; an insulating layer 30 provided so as to cover the core layer 10 and the electronic component 20 from both sides in the thickness direction and having a first surface 31 and a second surface 32 facing each other in the thickness direction; a through conductor 40 provided so as to penetrate the core layer 10 in the thickness direction; and a conductor interconnection layer 50 provided on a part of the first surface 31 and / or the second surface 32 of the insulating layer 30. The first surface 31 of the insulating layer 30 is a component mounting surface and the second surface 32 of the insulating layer 30 is an external terminal surface, or the first surface 31 of the insulating layer 30 is an external terminal surface and the second surface 32 of the insulating layer 30 is a component mounting surface. When a first region RG1 is defined as the region from a central plane 35 between the first surface 31 and the second surface 32 in the thickness direction to the outermost surface on the first surface 31 side and a second region RG2 is defined as the region from the central plane 35 to the outermost surface on the second surface 32 side, the coefficient of thermal expansion of the second region RG2 is higher than the coefficient of thermal expansion of the first region RG1.

The utility model discloses an electrolytic manganese cathode plate beating device which comprises hammer plates symmetrically arranged on the two sides of a cathode plate, a beating hammer head and a cushion hammer head are alternately arranged on the hammer plate on each side, and the height of the beating hammer head is larger than that of the cushion hammer head. And the striking hammer heads and the cushion hammer heads on the hammer plates on the two sides are distributed in a complementary manner by taking the symmetric central plane of the cathode plate as a reference, so that a multi-point combined striking structure is formed. The hammer plate is connected with the driving mechanism through a flexible connecting assembly, and the flexible connecting assembly comprises a plurality of elastic supporting arms and is used for self-adaptively adjusting the contact and stress state between the hammer head on the hammer plate and the cathode plate. According to the utility model, the two sides of the cathode plate are simultaneously knocked, so that the cathode plate can be ensured to deform when being knocked, the deformation can be controlled within an elastic deformation range, the cathode plate is protected from plastic deformation, the service life of the cathode plate is protected and prolonged, and the stripping effect is better.

The utility model relates to the field of angle steel processing, in particular to electric iron tower steel punching equipment which comprises a processing table, a positioning and clamping unit and a plurality of drilling machines, the positioning and clamping unit comprises two limiting plates, the limiting plates are installed on the outer wall of a limiting rod in a tangent mode, and the two limiting plates are symmetrically arranged along the vertical center face of the end face of the limiting rod; the surface of the upper end of the limiting plate is hinged to the side wall of the limiting rod, and the drilling machine can be vertically opposite to the surface of the limiting plate; the horizontal telescopic assemblies are used for controlling the horizontal distance between the lower ends of the two limiting plates, and the pressing control pieces can move vertically, are located on the upper sides of the limiting rods and are vertically right opposite to the limiting rods. According to the scheme, the two limiting plates and the two-way hydraulic rods are matched to support the lower side walls of angle steel of different angle specifications, and meanwhile, the two limiting plates and the two-way hydraulic rods can be matched with the elastic pressing control pieces to accurately limit the angle steel at multiple angles before punching.

A wind turbine comprising, a tower, a nacelle mounted on the tower, and a rotor defining a rotor axis extending in a vertical center plane and configured for harvesting wind energy by rotation of blades in a rotor rotation direction about the rotor axis. The nacelle comprises a rotor-supporting assembly forming a load path from the rotor to the tower and configured for receiving rotor torque caused by the rotation of the rotor. To reduce loading of the tower and potentially provide a cheaper construction, the nacelle has a center of gravity which is offset from the center plane in a direction relative to the rotor rotation direction to counteract the rotor torque.

The application provides a container for transporting bulk cargo, which comprises a box body, the box body comprising side walls, end walls and at least two discharge hoppers, the end walls being connected with the side walls and forming the box walls of a rectangular body; the large end of the discharge hopper is connected with the box wall, and the small end of the discharge hopper is provided with a discharge port; the at least two discharge hoppers are arranged along the length direction of the container; the discharge hopper is configured as an eccentric structure; and the center of the discharge port is spaced apart from the first central plane in the width direction of the container by a predetermined distance. The container provided by the application can be directly opened by an operator with hands from the side of the side wall, the sealing cover at the discharge port can be quickly opened, the bulk cargo in the container can be automatically discharged due to gravity, no storage is needed, the operator does not need to enter the lower part of the box body, and other devices are not needed to cooperate to complete the discharging.

The invention provides chemical mechanical polishing equipment, a wafer processing method and a chemical mechanical polishing system.The chemical mechanical polishing equipment comprises a front unit, a vertical transmission unit and a processing unit which are sequentially arranged in the length direction of the chemical mechanical polishing equipment, and the vertical transmission unit comprises a wafer overturning device, a vertical transmission module and a drying cavity; the processing unit comprises a transmission layer, a polishing layer and a cleaning layer which are stacked from bottom to top and are respectively used for horizontally transmitting, polishing and cleaning wafers along the length direction, and the cleaning layer is provided with a cross-layer manipulator; and the vertical transmission unit and the processing unit are symmetrically arranged along a central plane in the length direction of the chemical mechanical polishing equipment to form at least two wafer processing lines with the same process. The chemical mechanical polishing equipment disclosed by the invention is high in space utilization rate, efficient in process, better in process compatibility and high in wafer processing yield.