56results about How to "Smooth and precise positioning" patented technology

A navigation arm system for supporting a navigation device of a navigation system, capable of coupling with a navigation display cart, the navigation arm system involving: an arm assembly configured to position the navigation device, the arm assembly including a first arm linkage having a tension adjustment feature and releasably connectable to the navigation device; a second arm linkage capable of connecting the arm assembly to the navigation display cart; and at least one joint coupling at least the first and second arm linkages; and a locking mechanism configured to maintain a disposition of the arm assembly in relation to the navigation display cart in a locked stored position and a unlocked deployed position, the locking mechanism configured to lockably couple the arm assembly in relation to the navigation display cart, the locking mechanism including a plurality of locking modes, whereby structural stability is providable

There is provided a tape printing apparatus in which a cartridge-ejecting function by an ejection mechanism and a cartridge-holding function by a cartridge compartment are separated from each other based on a simple construction. In the tape printing apparatus including a cartridge compartment for removably mounting a tape cartridge therein, and an ejection mechanism for lifting the tape cartridge mounted, from the cartridge compartment, the cartridge compartment has a bottom thereof formed with a seat portion for seating thereon the tape cartridge in a mounted state, and a lift plate of the ejection mechanism for lifting a tape cartridge is positioned away from the tape cartridge seated on the seat portion when the lift plate is in a standby state. This construction makes it possible to separate the cartridge-ejecting function implemented by the ejection mechanism and the cartridge-holding function by the cartridge compartment from each other, thereby preventing the ejection mechanism from adversely affecting printing operation.

The invention relates to a polarizing beam splitter device, an interferometer module system, a lithographic apparatus, and a device manufacturing method. The polarizing beam splitter device includes an optical element and a polarizing beam splitter layer. The optical element includes a retroreflector surface having three mutually perpendicular faces of high optical quality, a radiation beam passage surface and a handling surface. By designing the optical element, in particular the handling portion, to the shape of a beam splitter element, such as a prism, the handling portion, and thus the polarizing optical beam splitter device etc. itself, may be made more compact and with fewer surfaces to be polished and/or antireflection-coated. The positioning of the parts in a beam splitter is more reliable. Devices, systems in which the polarizing beam splitter device has been incorporated, such as a polarizing beam splitter device with quarter wave plates and a reference mirror fixed thereto, may also be made more compact, accurate and reliable.

The present invention relates to the technical field of LED street lamp, in particular to structure of a reflector panel of the LED lamp. A reflector panel comprises a base, the base has multiple reflector cups, which are divided into two groups according to the direction of their openings, all reflector cups in each group have the same direction of their openings, the directions of the openings of the reflector cups in two different groups are opposite. The reflector panel of the present invention can form the illumination band with even illuminance on the street and cause small light loss.

An electrical plug connector comprises a simple and inexpensive rotation-securing element for the union nut of a water-tight plug connection which ensures reliable connection in the event of shocks and vibration, and in the process produces different values for the tightening torque and loosening torque of the screwed connection. The plug connector has a threaded union nut which is screwed to its plug housing and is secured against unintentional rotation with respect to the housing by two mutually engaging locking toothed rings having an asymmetric, sinusoidal toothed profile. The locking toothed ring which is attached to a fixing ring for the union nut is segmented, is elastically sprung and contains additional latching elements for preferred positions of the union nut.

An intermediate electrical connector device which easily enables “floating”, is comprised of an intermediate board (20) having two connecting sections (23A) and (24A), which are respectively formed at the edges (23) and (24), to connect between two connecting bodies (40) and (40′), and a holding body to hold the intermediate board between two connecting sections. The holding body is divided into a plurality of sub-members (10) and (10′) at a surface perpendicular to the fitting direction between the two connecting bodies. The intermediate board is held by one of the sub-members through at least partial fitting, and forms space from another sub-member. The sub-members can be displaced relative to each other on the surface perpendicular to the fitting direction at least one direction parallel and perpendicular to the intermediate board.

An all-in-one combination layout tool is provided for marking center lines for spacing studs, marking rip lines, marking cut lines for roof rafters and staircase stringers, and other purposes. The tool comprises a rectangular base plate, an elongate locator bar with a rounded pivot corner, and two connectors to connect the locator bar to the base plate in a variety of configurations. The base plate includes multiple “pivot” points for pivotally connecting the locator bar, two strategically-placed arcuate slots for marking or making angle cuts, and two strategically placed parallel slots for configuring the tool to mark or make rip cuts. Angle markings are provided on two adjacent edges of the base plate, and 1/16-inch markings are provided on the opposite adjacent edges. The base plate is planar and has no enlarged flange or lip that would hinder its use in laying out staircase stringers.

A telescopic hand tool consists of a main body, a bar and a positioning device. The bar possesses an axial hole bored axially from its one end for engaging with a telescopic bar of the main body, and a sliding groove dug around its surface, bored with a ball hole. The positioning device includes a restricting knob, a compression spring and a restricting plate. The restricting knob can slide restrictively along within the sliding groove by means of a restricting block so as to let the main body move in the bar axially. The compression spring can push elastically the restricting knob back to its original position to press on a steel ball restricted in a restricting ball hole of the main body, keeping the main body locked restrictively in the bar.

A circuit breaker has a main housing, and a pocket-shaped auxiliary equipment storage section is formed in the housing. A cassette type auxiliary switch is inserted into and attached to the auxiliary equipment storage section. The auxiliary switch is connected to a switching mechanism in the main housing of the circuit breaker so that the circuit breaker performs switching operations. The circuit breaker includes a locking device for positioning the auxiliary switch inserted into the auxiliary equipment storage section at a predetermined position. Further, an engagement-type stopper is provided for fixing the auxiliary switch at the position where the auxiliary switch is inserted into the auxiliary device storage section.

A shift-drum speed change mechanism includes a first drum spring biasing a first drum toward a first side in an axial direction, which is a side on which a first slider comes into contact with a first speed change member, a first fork spring biasing a first shift fork toward a second side in the axial direction, which is a side opposite to the first side in the axial direction, with a weaker biasing force than the first drum spring, and a first stopper member for the first drum, defining an end of movement of the first drum toward the first side in the axial direction.

The invention relates to the foundry industry and discloses a sand core structure and a manufacturing method for a sand core. The sand core structure is simple and enables the core print of the sand core to be steadily and precisely positioned in a core print positioning tank, thereby guaranteeing the quality of a casting. The sand core structure and the manufacturing method for the sand core overcome the technical problems of dimensional deviation of a casting due to easy deflection of a sand core, severely impaired quality of the casting and the like when the bottom surface of the core print of the sand core is a sand strickling surface. The sand core structure comprises a core print seat; a cavity with an upward opening is arranged on the core print seat; the bottom of the cavity is provided with the core print positioning tank; the sand core is inserted into and connected with the core print positioning tank in a mating manner via the core print; an annular supporting boss horizontally extends on an internal wall surface close to the bottom of the core print positioning tank; a mating annular gap horizontally extends on the core print corresponding to the annular supporting boss; and the sand core is horizontally supported on the annular supporting boss through an upper annular surface corresponding to the annular gap.

The invention relates to the field of oral cavity medical devices, and discloses a dental implant abutment locator and a 3D printing manufacturing method and impression taking method thereof. The dental implant abutment locator disclosed by the invention comprises an in-place body, a reset body and a connecting body which are integrally connected, wherein the gum end of the in-place body is provided with an abutment positioning cavity being adaptive with a dental implant abutment, and an abutment screw hole communicates with the abutment positioning cavity, and extends and penetrates through the cutting end of the in-place body; the reset body adopts the structure shape which covers and is adaptive with an abutment surface or/and the cutting end; and gaps are reserved between the in-placebody and adjacent teeth and gum. The reset body and the abutment surface or/and the cutting end of the dental implant abutment located are in cooperation to realize positioning, and besides, certain gaps are reserved between the in-place body and the adjacent teeth, so that the in-place body can smoothly and accurately reach the designated position without extrusion, accurate positioning and mounting of the dental implant abutment can be guaranteed, and a favorable foundation is provided for subsequent treatment and rehabilitation.

A printer including: a frame composed of a lower frame and an upper frame supported on the lower frame, a platen rotatably supported in the upper frame for advancing a recording medium, a guide rail extending in parallel with an axial direction (Y) of the platen, a carriage guided at the guide rail and carrying a printhead, and a drive mechanism adapted to drive the carriage reciprocatingly along the guide rail, wherein the drive mechanism is directly supported in said axial direction (Y) by the lower frame.

A stone machine and a process for working the edge of a stone or a set of stone tiles is provided. The stone machine has a stone receiving area, where stones are placed and their back edges aligned. A lift bar moves a pressure plate so that the pressure plate applies a variable level of force to the bottom surface of the stone. The pressure plate causes the top surface of the stone to be pressed against an alignment pad, which aligns the top surfaces and secures the stones for working. With the stones secured, a power tool moves to cut, grind, or polish the front edge of the stones.

The invention relates to a radar device for measuring a relative distance to a target. It is an object of the invention to precisely determine the relative distance to the target in a wide range. The radar device according to the invention generates a second pulse by demodulating a signal arriving from a target as a response to a wave signal modulated with a first pulse. The radar device evaluates, as the relative distance to the target, such two different instances that an absolute value of a deviation of a ratio of two instantaneous values of the second pulse from a reference value as a ratio of two instantaneous values of the first pulse is to be minimum. The respective two instantaneous values are with a predetermined interval therebetween on a time axis.

The invention discloses a positioning system of a suspended medical device, comprising a positioning adjusting block fixed with a sky rail, a bolt assembly and a positioning assembly fixed with a trolley, wherein the bolt assembly is spliced and matched with the positioning adjusting block; and the bolt assembly is connected with the positioning assembly through a buffer spring. With the scheme, when a bolt is clamped into a clamping groove of the positioning adjusting block, the whole system is stably and accurately positioned and is convenient for a doctor to operate a machine because the buffer spring plays a role of buffering the positioning adjusting block and the trolley.

The invention relates to a moving contact terminal pressure detection mechanism comprising a positioning clamp which is used for placing a moving contact to be detected and flexibly connected on a base, a lead screw which is connected with a servo motor, wherein a pressing head moving upwardly and downwardly along the lead screw is arranged on the lead screw, and a displayer which is provided with a data processing module and receives pressure detected by the pressing head and displays pressure. Compared with mechanisms in the prior art, the moving contact terminal pressure detection mechanism has characteristics of being simple in structure, intelligent, high in compatibility, low in energy consumption, low in cost, high in effect, long in replacement cycle and convenient to maintain and provides a better detection prevention platform for guaranteeing the great quality of a circuit breaker.

The present invention relates to a service assembly for self-actuating support of cross-wound bobbin producing textile machine. The service assembly has multiple similar workplaces, which are provided with numerous thread handling devices. A device (19) is provided for mechanically engaging the service assembly with a workplace. The engaging device has two movably arranged catch elements (43A,43B), which are arranged and controlled so that they slide consecutively in a catch opening (20), and in the process the service assembly (23) is located and catched at a workplace (a) requiring service, so as to accurately locate the service assembly at the catch position.

A carriage on which a work is supplied and which is transported by a transport path has a reference member that is a reference for positioning of the work and a fixing unit whose motion is controlled by a control unit provided outside the carriage and that fixes the work. A work which has been positioned in a first direction on the carriage and has not yet been fixed by the fixing unit is pressed in a second direction against the reference member by a positioning unit, in which the second direction intersects with the first direction, and the work is positioned on the carriage in the second direction.

A transport unit for a packaging structure for a plurality of containers for substances for pharmaceutical, medical or cosmetic uses includes a tray with a plurality of seats for positioning the containers and a planar inlay part for covering the containers positioned in the seats of the tray. The inlay part is configured to cover the containers positioned in the seats and at the same time to be received completely in the tray, without protruding above an upper edge of the tray. A plurality of depressions corresponding to the seats of the tray are formed in the inlay part, in order to position the containers at their two ends lying opposite each other. A gap is formed at least partially between the inlay part, received in the tray, and side walls of the tray.