Abstract: A reciprocating compressor of the present invention includes an electric component (6), a compression component (9), and a container (1).

Abstract: The piston is provided with a pair of radial holes opened to an external circumferential recess and lodging and retaining one respective end of a pin, to which is coupled a driving mechanism to reciprocate the piston inside a cylinder. The radial holes are completely sealed in order that the axial extension of a bottom radial gap provided by a bottom bearing surface of the piston work together with the axial extension of a top radial gap provided by a top bearing surface to provide the required leakage restriction of the refrigerant gas and also the required bearing of the piston inside the cylinder. The axial extension of each of the top bearing surface and of the bottom bearing surface is insufficient to provide by itself said required leakage restriction of the refrigerant gas.

Abstract: Pistons and methods of making the same are disclosed. An exemplary piston assembly may include a piston crown and skirt. The crown may include a crown collar wall extending downward toward a free end of the crown collar wall. The skirt may include a pair of oppositely disposed pin bosses that each define piston pin bores configured to receive a piston pin for securing a connecting rod between the pin bosses. The skirt may further include a radially inner skirt mating surface abutted along a radially inner interface region with the radially inner crown mating surface, and a radially outer skirt mating surface abutted along a radially outer interface region with the radially outer crown mating surface such that a cooling gallery is substantially enclosed. The skirt may further include an inner collar wall extending upwards to the free end of the crown collar wall.

Abstract: The various embodiments of the disclosure relate generally to carbon molecular sieve membranes (CMSM) and their associated fabrication processes, and more particularly to CMSM that maintain high gas selectivities without losing productivity. Methods for enriching a mixture of gases in one gas via the use of the CMS membranes, and gas enrichment devices using the same, are also disclosed.

Abstract: An apparatus and method for removing mercury from an incoming gas stream contaminated with mercury so as to deliver an outgoing gas stream free of the removed mercury introduces ozone into the gas stream to deposit mercury carried by the gas stream on separator elements so as to remove the deposited mercury from the gas stream. The deposited mercury is washed off of the separator elements, and the removed mercury is collected for further processing.

Abstract: A nitrous oxide room temperature purification method, apparatus and system utilizing at least partially oxidized nickel. In an embodiment, a room temperature regenerable N2O purifier includes a vessel having an inlet and outlet, an active portion being at least partially filled with a purification material comprising nickel oxide and optional elemental nickel, wherein the weight ratio between the nickel oxide and the optional elemental nickel is equal or higher than 3 and the surface area of the nickel oxide and the optional elemental nickel is equal or higher than 50 m2/g.

Abstract: Rotary fluid processing systems and associated methods are disclosed. A purification system in accordance with the particular embodiment includes a rotatable adsorbent-containing heat/mass transfer element that is generally symmetric about a rotation axis, and includes multiple radial flow paths oriented transverse to the rotation axis and multiple axial flow paths oriented transverse to the radial flow paths. The axial flow paths and radial flow paths are in thermal communication with each other, and are generally isolated from fluid communication with each other at the heat transfer element. Particular embodiments can further include a housing arrangement having multiple manifolds with individual manifolds having an entry port and an exit port, and with individual manifolds having different circumferential locations relative to the rotation axis.

Abstract: An air filter assembly for remodel construction has a housing with a frame configured to seat against a wall and about a cold air return. A grill defining a plurality of louvers and a rim is configured to cover at least a portion of the housing outer surface. The rim extends to a depth no greater than the thickness of the housing outer surface. A filter has a frame configured to receive filtration media, the filter shaped and sized for removable insertion into the slot of the housing.

Abstract: The invention relates to a device for separating media, in particular for removing gases, such as air, from a fluid, such as oil, comprising a separating apparatus (10), which causes the medium to rotate upon entering the separating apparatus for the purpose of carrying out the separation and which has one outlet point (14, 12) each for the gas and for the fluid, said outlet points being separated from each other, wherein the device for separating media is characterized in that the separating apparatus (10) has a bypass valve (16), which is arranged downstream of the fluid flow and upstream of the outlet point (12) for the fluid and through which at least part of the medium flows to the outlet point (12) for the fluid in order to bypass the region of the separating apparatus (10) designed to remove gas front the fluid, provided the medium in the vicinity of the bypass valve (16) exerts a pressure sufficient to open the bypass valve (16).

Abstract: A Sonotrode for generating an ultrasonic field in industrial production processes such as chemical, food, petroleum, pharmaceutical, beverage or mining-related processes for reducing and eliminating foaming of liquid products has a compact one-piece form, wherein the sonotrode is provided with a main body part having a connector for connection with a high frequency generator and having a front face from which the ultrasonic field is directed to the desired spot or area of the product to be de-foamed, wherein the main body part has the shape of a compact block element and in that the front face is concave in shape in relation to a product surface such that the ultrasonic field is focused and directed to a specific area of a product foam to be treated in a concentrated form compared to a non-focused ultrasound.

Abstract: A dehumidifying tower having a washing section, a flash-distilling section, and a condensing section. In the washing section, exhaust gas is washed with a cooling liquid to remove at least a portion of solid dust entrained in the exhaust gas, cool the exhaust gas, and condense at least a portion of moisture in the exhaust gas into liquid. The flash-distilling section flash-distills the cooling liquid used in the washing section to produce a cooled cooling liquid and a cooling liquid vapor. Cooling liquid produced by flash-distillation enters the washing section. The flash-distilling section is in gas-phase isolation from the washing section. The condensing section condenses the cooling liquid vapor produced by flash-distillation. The condensing section is configured to be in gas-phase communication with and liquid-phase isolation from the flash-distilling section, and be in both gas-phase and liquid-phase isolation from the washing section.

Abstract: Provided is a food cooking appliance comprising: a bowl having a side wall; and a blade, the bowl and blade being designed to have a relative rotary movement about an axis of rotation. The blade includes a lifting means shaped so as to lift the food with which it comes into contact, and a means for pushing the food toward the lifting means. The appliance is characterized in that: the aforementioned side wall includes a widened section, the lifting means extends directly vertically above the widened section, and the respective projections of the lifting means and of the widened section overlap in a single plane parallel to the axis of rotation. The invention can be used in the field of cooking appliances.

Abstract: A cooking appliance (1) of the grill or barbecue type, comprises a frame (10) supporting a cooking surface (2) on which foodstuffs to be cooked can be arranged, and a heating surface (3) arranged opposite said cooking surface (2). The frame (10) defines a housing (4) parallel to a horizontal plane (P) and designed to accommodate the cooking surface (2) between a storage position in which it lies on the bottom of the housing (4) and a use position in which it is inclined at an angle ? to said horizontal plane (P). The heating surface (3) is connected to the frame (10) by a hinge (5) allowing the displacement of the heating surface (3) between a passive position in which it closes the housing (4) and an active position in which it is inclined at an angle ? to the horizontal plane (P), the housing (4) is open and the cooking surface (2) can be deployed and positioned opposite the heating surface (3).

Abstract: A large number of green veneers for plywood respectively having high water contents and formed in a rectangular shape are vertically laminated to obtain a veneer laminate having a quadrangular prismatic shape. The veneer laminate is located between upper and lower platen members so that two opposite side faces of the veneer laminate vertically form cut face gathering planes. The upper and lower platen members are moved toward each other to apply a pressing force to the veneer laminate. The pressing force applied to the veneer laminate is released or weakened while the water drawn through the cut face gathering planes by the pressing force is dripping downward along the cut face gathering planes of the veneer laminate vertically formed.

Abstract: An electronic device includes an enclosure, a driving device attached to the enclosure, a first rotating member, and a second rotating member. The first rotating member includes a relief member. The second rotating member includes an intaglio member corresponding to the relief member. The first rotating member and the second rotating member are attached to the driving device and can be rotated by the driving device, to move a paper between the first rotating member and a second rotating member. The relief member is engaged with the intaglio member to emboss a pattern on the paper.

Abstract: A panel for tensioning fabric such as a silkscreen mesh is described. The panel includes locking strips secured to the edges using stitching through the mesh and locking strips. A method for fabricating the panel and tensioning the panel on a frame is also described. Locking strips may be stitched to edges of the fabric or mesh.

Abstract: A blade shaped tool belonging to that type of tools which comprises doctor blades and coater blades, which have a strip-shaped body of steel which is cold-rolled, hardened and tempered to a hardness between 500 and 700 HV. At least the two wide sides of the body are covered by a hard surface layer (6a,6b) provided through Plasma Immersion Ion Implantation of hard reaction products of type carbides, nitrides and/or oxides. The tool has in comparison with conventional tools of corresponding steel grades an improved bending resistance and in the working edge portion of the tool also a significantly higher resistance to wear.

Abstract: A stencil printer includes a stencil having a top surface and a bottom surface, a material applicator to apply material on the top surface of the stencil, and a stencil wiper assembly to clean the bottom surface of the stencil in a y-axis direction. The stencil wiper assembly has a wiper blade assembly configured to engage the bottom surface of the stencil and wipe the bottom surface of the stencil when moving the stencil wiper blade assembly along a stencil wiper gantry. The stencil wiper assembly further includes a spot cleaner assembly movably secured to the stencil wiper assembly. The spot cleaner assembly is configured to move in an x-axis direction and to spot clean the bottom of the stencil. A method for spot cleaning a stencil is further disclosed.

Abstract: The invention relates to an aluminium alloy strip for the production of printing plate carriers comprising water-based coatings, wherein the aluminium alloy strip has a thickness of at most 0.5 mm. The object is to propose an aluminium alloy strip for the production of printing plate carriers comprising at least one water-based coating so that punctiform coating faults are prevented. The object is achieved for an aluminium alloy strip in that the aluminium alloy strip, in a longitudinal polished section prepared using water as a lubricant, has etch figures with a cubic etching, of which the longitudinal extent is at most 15 mm.

Abstract: A system includes a first arm switch, a voltage multiplier device connected in series with the first arm switch, and a first intermediate voltage detector portion communicatively connected to the sequence of events logic portion, the first intermediate voltage detector portion operative to determine whether a first voltage signal is greater than a first threshold voltage value and responsive to determining that the first voltage signal is greater than the first threshold voltage value affect an actuation of the first arm switch and output a first arm signal.

Abstract: A telescoped ammunition cartridge assembly including a case having a front end and a base end positioned along a longitudinal axis. A projectile is positioned along the longitudinal axis towards the front end of the case. An endcap is coupled to the front end of the case and is adapted to retain the projectile entirely within the case. A primer is positioned along the longitudinal axis towards the base end of the case. A primer support is coupled to the base end of the case and is adapted to support the primer within the case. The cartridge assembly includes at least one obturating lip seal to seal at least one of the endcap or the primer support to the case.

Abstract: The invention relates to an arrangement comprising a travelling mechanism girder and a running wheel block fastened detachably thereto, wherein the running wheel block is comprised of a housing with at least one connection surface and a running wheel which is mounted in the housing and protrudes out of the housing. To facilitate the exchange of running wheel blocks, alignment of the running wheel block with respect to the travelling mechanism girder is secured through the use of a machined groove, in which a machined plate is held in a form-fitting manner, arranged on the connection surface of the running wheel block. After the running wheel block has been properly aligned, the plate is fixedly connected to the travelling mechanism girder, maintaining the alignment. The invention also relates to a method for the installation of an arrangement consisting of a travelling mechanism girder and a running wheel block.

Abstract: A transportation system for supersonic travel including a conduit containing an atmosphere that exhibits high aerodynamic tunneling performance, or high gas efficacy, and a vehicle designed to operate within the conduit. The vehicle traveling within the conduit along a support and guide structure that is complementary to a support and guidance system of the vehicle. The vehicle being propelled through the conduit via a propulsion system that includes contra-rotating propellers.

Abstract: A gusset is capable of providing reinforcement in tank cars, particularly for nozzles in tank cars. A tank car includes a body having a curved wall portion, a nozzle opening formed in the wall, a reinforcing pad disposed on the wall, adjacent to the nozzle, and a gusset configured to support the nozzle. The gusset includes a portion of a cylinder having a predetermined radius. The portion of the cylinder includes a first edge disposed adjacent to a circumferential surface of the nozzle and a second edge disposed adjacent to a circumferential surface of the reinforcing pad, such that an axis of the portion of the cylinder intersects an axis of the nozzle at a predetermined angle. The predetermined radius and the predetermined angle are configured such that an arc of the portion of the cylinder extends less than approximately 180 degrees.

Abstract: A method of manufacturing a wood product including using a water and wax mixture with wood particles in a production process of wood products, wherein the wax mixture includes a hydrocarbon wax, and a water-repellant material selected from the group consisting of (a) an asphaltite, (b) a polyolefin copolymer, (c) a polyolefin synthetic wax, and (d) combinations thereof, and forming a wood product.

Abstract: The present invention describes the highly advantageous properties of a mixture of thiol-perfluoropolyether (PFPE) molecules with perfluorinated bisphosphonic compounds (BP-PF). This mixture in fact makes it possible to obtain a lipophobic and hydrophobic behaviour on numerous materials, including metals, inter alia gold and alloys thereof. It makes it possible to prevent corrosion, and to limit deposition of soiling and microbiological contamination on these surfaces, while at the same time conferring good mechanical strength and resistance to ageing and to cleaning products. It also makes it possible to lubricate the metal parts that it covers.

Abstract: An inkjet ink composition comprising: (a) water; (b) dispersed pigment particles; and (c) at least one humectant; wherein the pigment particles are present from about 4.5% by mass to about 10% by mass, and the pigment particles have a mass weighted mean Stoke's diameter of from about 35 nm to about 70 nm wherein the Stoke's diameter is determined by differential centrifugal sedimentation of the particles through a fluid in a disc centrifuge. The present invention employs specified sedimentation particle sizing criteria for selection of appropriate pigment particle sizes at high pigment concentrations to obtain improved ink performance. Further embodiments of the invention also demonstrate that the criticality of humectant types and levels employed in an ink can also become much more important at high pigment loading in order to obtain desired performance.

Abstract: A process for modifying the surface of a carbon black by contacting said carbon black with a conjugated diimine compound. The conjugated diimine compound may comprise various substituents to provide the carbon black with desired corresponding properties, such as groups to impart increased hydrophilicity and self-dispersibility to the carbon black. Other embodiments relate to novel carbon black products, which may be prepared according to a process of the invention. The carbon black products may be used in the same applications as conventional carbon blacks. Such uses include, but are not limited to, plastic compositions, aqueous inks, aqueous coatings, rubber compositions, paper compositions, and textile compositions. In a specific embodiment, the resulting surface modified carbon black is employed as a pigment in an aqueous inkjet ink composition.

Abstract: Methods of reducing toxic emissions from coal tar or asphalt compositions. The methods include providing an initial composition including coal tar, a coal tar emulsion, or asphalt and adding a rheological modifier to the initial composition to form a reduced emission composition, wherein the rheological modifier includes a tall oil saponified in an anhydrous strong base and wherein the reduced emission composition releases less toxic emissions into the atmosphere than the initial composition itself would otherwise release. Further, reduced emission compositions for reducing toxic emissions that would otherwise occur in coal tar compositions or asphalt compositions. The reduced emission compositions include an initial composition including coal tar, a coal tar emulsion, or asphalt; and a chemical rheological modifier including a tall oil saponified in an anhydrous strong base.

Abstract: A method of fabricating a liquid for an oxide thin film is provided, which includes mixing at least two kinds of dispersoids selected from the group consisting of a Zinc compound, an Indium compound, a Gallium compound, a Tin compound and a Thallium compound, with dispersion media corresponding to the selected dispersoids to form a dispersion system, and stirring and aging the dispersion system at a predetermined temperature for a predetermined time, wherein a molar ratio of the Zinc compound to each of the Indium compound, Gallium compound, Tin compound and Thallium compound is 1:0.1 to 1:2. According to the present invention, the liquid for the oxide thin film may be fabricated by a sol-gel method making it capable of being implemented in mass production in a simple and low-cost manner as opposed to the conventional vacuum deposition method.

Abstract: The present invention relates to aluminium oxide pastes and to a process for the use of the aluminium oxide pastes for the formation of Al2O3 coatings or mixed Al2O3 hybrid layers.

Abstract: An adhesive composition for polarizing plates, a polarizing plate using the same, and an optical member including the same, the adhesive composition including an epoxy compound, a (meth)acrylic compound, and a polyfunctional thiol compound.

Abstract: The invention relates to a method for the surface treatment of inorganic pigment particles with agglomerates of fine primary particles or single crystals of inorganic compounds, particularly of oxides or sulphates. The method is characterized in that the inorganic compounds are first precipitated from an aqueous solution under suitable pH conditions in a separate vessel in the form of fluffily structured agglomerates and/or single crystals. The precipitation product is subsequently added to an aqueous suspension of inorganic pigment particles. The method is particularly suitable for the surface treatment of titanium dioxide particles, in order to achieve high hiding power or high opacity when used in emulsion paints or laminates.

Abstract: The invention relates to the manufacture of pigment-containing composite pigment particles containing titanium dioxide pigment particles and at least one inorganic and/or organic filler as extender, as well as calcium carbonate that is precipitated in the process, and their use for improving the pigment light-scattering efficiency in coatings, plastics and laminates. The extender is preferably selected from Ca-, Ca—Mg- and Mg-carbonates, natural and synthetic silicon dioxide and oxides and are manufactured in a combined process of precipitation and dispersion. Depending on the combination selected, the use of composite pigment particles according to the invention permits pigment savings with little or no loss of optical properties. Alternatively, if the pigment content remains unchanged, it is possible to achieve better values, e.g. for tinting strength. Particularly, a part or the whole TiO2 quantity in the user system can be replaced by the composite pigment particles according to the invention.

Abstract: A method of blending a fine precipitated calcium carbonate (PCC) filler with larger PCC, the resulting blend to be used alone or in conjunction with a ground carbonate, clay or other filler, resulting in improved porosity by the lowering of the porosity of supercalendered paper, thereby imparting improved and offset printability. The fine PCC can be ultrafine PCC filler which then is blended with other fillers including but not limited to pigments. These fillers which are blended with the fine PCC include commercial and experimental PCC and commercial clays. Ultrafine PCC has agglomerates of small, discrete particles. Ultrafine PCC for use in the invention has a specific surface area of about 20 m2/g as measured by BET gas adsorption. As measured by a sedigraph, the average size of these agglomerates is from 0.4 to 1.1 microns.

Abstract: The invention concerns a process for disinfection and/or conservation and/or reduction and/or control of microbial contamination of aqueous dispersions and/or aqueous suspensions of mineral matter, providing satisfactory stability in terms of Brookfield™ viscosity for the said aqueous dispersions and/or suspensions of mineral matter. It also concerns the said aqueous dispersions and/or suspensions thus obtained, together with their uses in the mineral, paper and paint industries. Finally it concerns the end products obtained.

Abstract: Described herein is a flux-calcined diatomite composition having a cristobalite content of less than about 5% by weight relative to the total weight of the flux-calcined composition and a whiteness of greater than about 90. Also described herein is a process for producing flux-calcined diatomite compositions including calcining a feed composition including diatomite having an iron content of at least about 0.5% by weight relative to the total weight of the feed composition in the presence of at least one flux including at least one alkali metal.

Abstract: A method for producing a surface-treated carbon black particle aqueous dispersion that exhibits excellent blackness and dispersibility, exhibits excellent storage stability, suppresses feathering, exhibits an excellent discharge capability and rubfastness (quick-drying capability), and suppresses metal corrosion when used in an aqueous black pigment(colorant) ink, is disclosed. The method for producing a surface-treated carbon black particle aqueous dispersion includes providing an aqueous dispersion of oxidized carbon black particles obtained by forming acidic hydroxyl groups on a surface of carbon black particles having a DBP absorption of 120 cm3/100 g or more, neutralizing 5% or more and less than 50% of the acidic hydroxyl groups with a polyvalent cation, and neutralizing the remainder of the acidic hydroxyl groups with a monovalent cation.

Abstract: An inorganic board contains, in a solid content ratio, 30 to 70 mass % of hydraulic material, 5 to 15 mass % of reinforcing fiber, and 1 to 30 mass % of wollastonite having a wet volume (after being allowed to stand for 30 minutes) of 15 to 45 ml. Also, a method includes: step of producing a slurry containing hydraulic material, reinforcing fiber, and wollastonite; step of producing a sheet by dehydrating the slurry; and step of pressing and curing the sheet; wherein, in the step of producing a slurry, a composition of the slurry is set so as to contain, in a solid content ratio, 30 to 70 mass % of hydraulic material, 5 to 15 mass % of reinforcing fiber, and 1 to 30 mass % of wollastonite having a wet volume (after being allowed to stand for 30 minutes) of 15 to 45 ml.

Abstract: A catalyst composition for pozzolan compositions, includes: a) one or more chlorides, selected from the group consisting of: sodium chloride, potassium chloride, magnesium chloride, calcium chloride, strontium chloride, barium chloride and/or ammonium chloride, preferably ammonium chloride; b) aluminum chloride, and c) one or more metal oxides, preferably selected from the group consisting of: oxides from metals from Group II of the Periodic Table, oxides from metals from Group VIII B of the Periodic Table (e.g. iron oxide), more preferably oxides from metals from Group II of the Periodic Table, even more preferably magnesium oxide or calcium oxide, most preferably magnesium oxide. The use of the catalytic composition for addition to cement for oil well cementing, and for lowering the pH of cement, a method for obtaining a composition for reinforcing cement, a binder composition and a construction composition are also described.

Abstract: A method for producing a clinker substitute for use in cement production includes predrying clay with an iron content >1.5 wt-% in a form of iron oxides and a kaolinite content <40 wt-% to a moisture <10 wt-%. The clay is comminuted to a grain size <2 mm. The clay is calcined by thermal treatment in a furnace at a temperature of 600 to 1000° C. The clay is thermally treated under reducing conditions at a temperature of 600 to 1000° C. so as to form a reduction product. The reduction product is intermediately cooled to a temperature <300° C. and finally cooled.

Abstract: The invention provides a tablecloth featuring a drawstring and additional fixtures. The Table Bag is a tablecloth capable of resisting wind pressure while making the cleanup process after a party much simpler. The Table Bag is a tablecloth featuring a drawstring on its underside allowing for the cloth to remain in place on a table and to double as a trash bag for cleanup after a party.

Abstract: A nestable pallet includes a deck having an upper panel, a lower panel and a plurality of ribs extending perpendicularly from the upper panel to the lower panel. The upper panel further includes a plurality of openings for receiving feet of a similar pallet when nested. The lower panel further includes a plurality of feet extending downward from the deck, each foot having a cavity defined therein lined within one of the plurality of openings in the upper panel. Each cavity is configured to receive a foot from a similar pallet when nested therein.

Abstract: The invention proposes a modular pallet, the individual parts of which can be used to construct either a so-called transporting pallet or a so-called storage pallet. The transporting pallet is useable in the high-bay warehouse by an adapter 8 present in the high-bay warehouse being moved automatically beneath the transporting rail 7. Interchanging the intermediate component 6 (at least four of which are present in the pallet) makes it possible to change a storage pallet into a transporting pallet and the transporting pallet into a storage pallet.

Abstract: Provided is a temporary secure storage system for firearms. The system is designed to provide convenient, secure storage of handguns. A number of storage containers employing electronic locking mechanisms are stored within a secure facility. Customers can rent a storage container for a predetermined period of time, during which firearms and accoutrement are kept within an individually locked container. Biometric scanners, card readers, and PIN keypads are examples of the types of authenticators used on each storage container to ensure that only the owner gains access to the contents. The system is ideally suited for persons who lawfully carry concealed weapons and seek to abide by local ordinances regarding gun-free areas. In this manner the system provides convenience and peace of mind to gun-carrying persons.

Abstract: A waste material supply device includes a hopper into which a waste material is supplied, a first rubbish supply apparatus having an inlet connected to an outlet of the hopper and a pusher configured to push out the waste material in a horizontal direction, a connecting chute having an upper portion connected to an outlet of the first rubbish supply apparatus to form a space extending upward and downward, and a second rubbish supply apparatus having an inlet connected to a lower portion of the connecting chute and a screw configured to convey the waste material in an axial direction according to rotation about an axis thereof, wherein the first rubbish supply apparatus has a plurality of pushers in a widthwise direction, and each of the pushers is able to be individually manipulated.

Abstract: A tufting machine which has improved production rates such that it is capable of being used to produce larger samples of tufted products or is capable of being used for production runs of tufted products, but still retains sufficient flexibility for changes in yarn and construction of the tufted product to be made relatively easily is disclosed.

Abstract: A sewing machine includes a position acquisition device, a projection device, a processor, and a memory. The position acquisition device is configured to acquire information describing at least one designated position, each of the at least one designated position being a position on a sewing workpiece. The projection device is configured to project an image onto the sewing workpiece. The memory is configured to store non-transitory computer-readable instructions that instruct the processor to execute a step that includes specifying the at least one designated position on the sewing workpiece described by the information acquired by the position acquisition device. The memory is also configured to store non-transitory computer-readable instructions that instruct the processor to execute a step that includes causing the projection device to project a visually recognizable marker onto the sewing workpiece, based on the specified at least one designated position.

Abstract: A sewing machine includes a first drive portion, a switching portion, a second drive portion, a control portion, and a memory. The first drive portion is configured to drive to feed, in a first direction, a work cloth. The switching portion is configured to switch a position of the first drive portion. The second drive portion is configured to drive to feed the work cloth. The memory is configured to store computer-readable instructions that instruct the sewing machine to execute steps of driving the first drive portion in the first position in a case where the second drive portion drives to feed the work cloth in the first direction and switching the position of the first drive portion to the second position in a case where the second drive portion drives to feed the work cloth in a second direction, based on the sewing data.

Abstract: In one example, a watercraft is provided that includes a body having a bow and a stern whose respective shapes are substantially different from each other. The body includes a hull, an open cockpit, a ramp that is located aft of the open cockpit and slopes downwardly toward the stern, where a lower end of the ramp is located near the stern, and a transom, where the lower end of the ramp extends through the transom.