Abstract: A brake disc includes an annular disc body and fins. The fins are radially disposed on a back surface of the disc body. At least one of the fins have a bolt hole at a central portion of the fin in a radial direction of the disc body. The disc body includes an inner circumferential portion. The inner circumferential portion is positioned inward from the bolt hole in the radial direction. The inner circumferential portion decreases in thickness as the inner circumferential portion extends inward in the radial direction. The fins each include a top surface and a convex portion. The convex portion protrudes inward from an imaginary plane in the radial direction. The imaginary plane passes an end portion of the top surface and an inner circumferential edge of the back surface.

Abstract: To provide a copper-coated magnesium wire which meets the demand for a lightweight coil wire material, and a method for manufacturing the same. The above-described problem is solved by a copper-coated magnesium wire (10) comprising a core material (1) made of magnesium, and a copper coating layer (2) made of copper or a copper alloy provided on a surface of the core material (1). In the copper-coated magnesium wire (10), a wire drawing mark is present on a surface of the copper coating layer (2), and the diameter is preferably within a range of 0.03 to 0.08 mm, inclusive. Further, a thickness of the copper coating layer (2) is preferably within a range of 5 to 30%, inclusive, as a ratio of the overall cross-sectional area. An insulating coating layer (3) may be provided on an outer circumferential side of the copper coating layer (2).

Abstract: To provide a copper-coated magnesium wire which meets the demand for a lightweight coil wire material, and a method for manufacturing the same. The above-described problem is solved by a copper-coated magnesium wire (10) comprising a core material (1) made of magnesium, and a copper coating layer (2) made of copper or a copper alloy provided on a surface of the core material (1). In the copper-coated magnesium wire (10), a wire drawing mark is present on a surface of the copper coating layer (2), and the diameter is preferably within a range of 0.03 to 0.08 mm, inclusive. Further, a thickness of the copper coating layer (2) is preferably within a range of 5 to 30%, inclusive, as a ratio of the overall cross-sectional area. An insulating coating layer (3) may be provided on an outer circumferential side of the copper coating layer (2).

Abstract: An embroidery sewing machine with a printing function includes a sewing machine body having a bed, a foot, an arm, and capable of sewing a workpiece cloth by a sewing unit; a cloth holding frame holding the workpiece cloth; a frame drive unit moving the cloth holding frame independently in two mutually perpendicular directions in a horizontal plane; an ink-jet printer having a print head printing the workpiece cloth. The print head of the printer includes nozzle arrays with each nozzle array having a plurality of ink-jet nozzles aligned parallel in the first direction, and the printer prints the workpiece cloth while moving the cloth holding frame in the second direction.

Abstract: A printable embroidery machine includes a sewing machine body, a cloth holding frame holding a workpiece cloth, a frame drive unit which has a mounting part and to which the cloth holding frame is coupled so that the cloth holding frame is moved independently in two horizontal directions perpendicular to each other, and an ink-jet printer. The body or the printer is detachably attached to the mounting part of the frame drive unit separated from the body so that the workpiece cloth held on the cloth holding frame moved by the frame drive unit is printed by the printer. A predetermined sewing reference position of a sewing needle in attaching the body to the frame drive unit corresponds with a predetermined print reference position of a print head of the printer in a case where the printer is attached to the frame drive unit.

Abstract: A cloth holding device including a support frame (11) made of magnetic material and a presser frame (12), clamping a workpiece cloth therebetween, including an attachment unit (13, 14) that attaches the presser frame (12) to the support frame (11) by magnetic attraction; and a positioning unit (12c) that positions the attachment unit (13, 14) to the presser frame (12).

Abstract: An inkjet cloth printing apparatus includes a head moving mechanism moving the print head in a first direction, a cloth holder holding a periphery of a printing area of cloth on which the apparatus prints and including a first holding member and a second holding member fitted with an outer portion of the first holding member, a holder moving mechanism feeding the cloth holder in a second direction below the print head, the holder moving mechanism including a rack, a pinion brought into mesh engagement with the rack, and a drive motor rotating the pinion, and a cloth passage defined below a movement space through which the cloth holder is moved in the second direction by the holder moving mechanism so as to allow movement of part of the cloth located outside the printing area and running out of the cloth holder.

Abstract: A cloth holding device including a support frame (11) made of magnetic material and a presser frame (12), clamping a workpiece cloth therebetween, including an attachment unit (13, 14) that attaches the presser frame (12) to the support frame (11) by magnetic attraction; and a positioning unit (12c) that positions the attachment unit (13, 14) to the presser frame (12).

Abstract: An embroidery sewing machine with printing function (1) including a sewing machine body (2) having a bed (10), a foot (11), an arm (12), and capable of sewing a workpiece cloth (W) by a sewing unit (99); a cloth holding frame (3) holding the workpiece cloth (W) to be sewn; a frame drive unit (4) moving the cloth holding frame 3 independently in two mutually perpendicular directions in a horizontal plane; an ink-jet printer (5) having a print head (61) printing the workpiece cloth (W) held by the cloth holding frame (3); the embroidery sewing machine with printing function (1) characterized in that the frame drive unit (4) includes a first drive mechanism (45) that moves the cloth holding frame (3) in a first direction parallel with a lengthwise direction of the bed (10); and a second drive mechanism (30) that moves the cloth holding frame (3) in a second direction perpendicular to the first direction and the print head (61) of the printer (5) includes nozzle arrays (61c to 61f) aligning a plurality of ink-jet

Abstract: A printer with embroidering function includes a sewing machine body 2 capable of sewing a workpiece cloth W, a cloth holding frame 3 that holds the workpiece cloth W to be sewn, a frame drive unit 4 having the cloth holding frame 3 connected therewith to move the cloth holding frame 3 independently in two perpendicular directions in a horizontal plane, the printer with embroidering function further including an ink-jet printing unit detachably a tached to an attachment portion 4a of the frame drive unit 4 separated from the sewing machine body 2 capable of printing the workpiece cloth W of the cloth holding frame 3 moved by the frame drive unit 4 and a head cap 52, a purging mechanism 53, a nozzle wiper 54, an ink receptacle 55 and a waste-ink absorbing felt 56.

Abstract: A printable embroidery machine (1), including a machine body (2) capable of sewing a workpiece cloth (W), a cloth holding frame (3) holding the workpiece cloth (W) to be sewn, and a frame drive unit (4) having a mounting part (4a) detachably attached to the machine body (2), and coupled to the cloth holding frame (3) to independently move the cloth holding frame in two horizontal directions perpendicular to each other. An ink-jet type printer (5) is detachably attached to the mounting part (4a) of the frame drive unit (4) separated from the machine body (2). The workpiece cloth (W) on the cloth holding frame (3) moved by the frame drive unit (4) can be printed by the printer (5).

Abstract: A cloth printing apparatus (1), having a head moving mechanism (20) moving in the X direction (horizontal direction) an inkjet print head (11) capable of printing on workpiece cloth (W), a cloth holder (5) holding a periphery of printing area of the workpiece cloth (W), a cloth holder moving mechanism (30) feeding the cloth holder (5) below the print head (11) in the Y direction (crosswise direction), a cloth passage (3) defined below a movement space through which the cloth holder (5) is moved in the crosswise direction by the holder moving mechanism (30) so as to allow movement of part (Wa) of the cloth (W) located outside the printing area and running out of the cloth holder (5).

Abstract: A lens holder portion 3 for holding an objective lens 5 is supported on an end side of each of four suspension wires 2 so that it is capable of moving in a focusing direction and in a tracking direction. Minute uneven faces 2a are formed in the surface of each suspension wire 2. Adhesive agent 11 which fixes each suspension wire 2 on the lens holder 3 and fixing member 4 invades into dented portions in this uneven face 2a and hardens, thereby producing an anchor effect to improve bonding strength. Consequently, in an objective lens drive unit 1 in which the lens holder 3 is supported by a plurality of suspension wires 2, bonding strength to the suspension wire 2 can be improved.

Abstract: A sewing machine includes a thread take-up lever and a thread tension regulator each disposed along a predetermined needle thread passage from a thread bobbin to a needle, an arm having a front face, and a movable controller disposed in the front of the arm so as to be movable at least within a predetermined range. The movable controller does not protrude out of the front face of the arm when moved in the predetermined range. The needle thread is engaged with at least one of the thread take-up lever and the thread tension regulator when the movable controller is moved within the predetermined range while the needle thread has been drawn from the thread bobbin near to the needle substantially along the predetermined needle thread passage.

Abstract: A lens holder portion 3 for holding an objective lens 5 is supported on an end side of each of four suspension wires 2 so that it is capable of moving in a focusing direction and in a tracking direction. Minute uneven faces 2a are formed in the surface of each suspension wire 2. Adhesive agent 11 which fixes each suspension wire 2 on the lens holder 3 and fixing member 4 invades into dented portions in this uneven face 2a and hardens, thereby producing an anchor effect to improve bonding strength. Consequently, in an objective lens drive unit 1 in which the lens holder 3 is supported by a plurality of suspension wires 2, bonding strength to the suspension wire 2 can be improved.

Abstract: A sewing machine with a needle thread cassette, wherein a cassette mount (3) is reduced in size. The cassette mount (3) including a thread take-up lever travel region is formed in the form of a vertical groove in the arm head of the sewing machine. A needle thread cassette (2) having a thread bobbin (62) vertically received therein is removably mounted on the cassette mount (3) vertically from above. With a thread take-up lever (25) stopped in a position corresponding to a needle top stop position, the needle thread cassette (2) is mounted on the cassette mount (3), whereby the thread is engaged with the thread guard of the thread take-up lever (25) and a thread tension regulator (9).

Abstract: A sewing machine which simplifies the engagement of a thread with a needle thread take-up lever and a thread tension regulator and the passing of a thread through a needle, and which has increased operating efficiency, comprising a take-up lever (25) and a thread tension regulator (9) which are disposed along a predetermine needle thread path extending from a thread bobbin (62) to a needle (19), a cassette mount (3) including a thread take-up lever travel region and formed in the form of a vertical groove in the arm head of the sewing machine, a needle thread cassette (2) having a thread bobbin (62) vertically received therein, which needle thread cassette is removably mounted on the cassette mount (3), a threading mechanism (10) installed in the arm head, wherein with needle thread (24) paid out in advance from the thread bobbin (62) substantially along the needle thread path to a position adjacent the needle (19), and in a state operatively associated with the operation for mounting the needle thread casset

Abstract: With a first thread being held at its tail end, a first loop is made. The first thread is passed through the first loop and a second loop is made thereinto. A beginning end of a second thread is inserted into the second loop, and the second loop is pulled into the first loop, and the beginning end of the second thread is tied in the first loop of the first thread.

Abstract: With a first thread being held at its tail end, a first loop is made. The first thread is passed through the first loop and a second loop is made thereinto. A beginning end of a second thread is inserted into the second loop, and the second loop is pulled into the first loop, and the beginning end of the second thread is tied in the first loop of the first thread.

Abstract: A copper plated aluminum wire with improvement in adhesive properties is fabricated by a method which includes a displacement step of forming a thin layer of a metal by displacement on a surface of an aluminum or aluminum alloy conductor, an electroplating step of coating a surface of the thin layer continuously with copper layers by electroplating to have a copper coated aluminum conductor, and a thermal diffusion step of heat treating the copper coated aluminum conductor at a temperature of 120° C. to 600° C. under an inert gas atmosphere for thermal diffusion. A plated aluminum wire is provided having an anchor metal layer formed by displacement plating, a low thermally conductive metal layer formed by electroplating, and a high electrically conductive metal layer formed by electroplating in which all of the layers are sequentially deposited on an outer surface of an aluminum or aluminum alloy conductor.