Presser Devices Patents (Class 112/235)
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Patent number: 12221731Abstract: A presser foot module (50) for a tufting machine. The module has a module body (13) for attachment to a tufting machine and the plurality of fingers (12) extending from the body in a first direction which, in use, is opposite to the direction in which the backing medium (1) is fed through the tufting machine. The module body (13) has a downwardly depending lip (53) defining a presser surface (53A) extending across an end of the body which is adjacent to the interface with the fingers (12). Each finger (12) has an unsupported end opposite to the module body (13) so as to provide access to an open gap between adjacent fingers in a direction opposite to the first direction.Type: GrantFiled: June 18, 2020Date of Patent: February 11, 2025Assignee: Vandewiele NVInventors: Frank Callens, Kristof Oosterlynck, Vincent Lampaert, Frank Shanley
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Patent number: 12123118Abstract: A hopping foot assembly for a sewing machine having a needle comprises a hopping foot base and a hopping foot arm extends axially from the hopping foot base relative to an axis. The hopping foot base is shaped to include an opening that extends axially through the hopping foot base relative to the axis. The hopping foot arm is configured to be coupled to the sewing machine to fix the hopping foot base relative to the sewing machine.Type: GrantFiled: March 17, 2022Date of Patent: October 22, 2024Assignee: Gracewood Management, Inc.Inventor: Jim Matthews Bagley
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Patent number: 12116708Abstract: A presser foot position retainer includes a presser foot and a restricting member. The presser foot is swingably attachable to a presser holder of a sewing machine. The presser foot includes a shaft extending in an axial direction, a restricted portion, and a pressing surface configured to press a workpiece. The restricting member includes a restricting portion capable of contacting the restricted portion. The restricting member is attachable to the presser holder. The restricting member is configured to move between a first position and a second position by a user operation. When the restricting member is located at the second position, the restricting portion is in contact with the restricted portion to limit a swingable range within which the presser foot attached to the presser holder is swingable about the shaft to less than that when the restricting member is located at the first position.Type: GrantFiled: March 24, 2023Date of Patent: October 15, 2024Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Hironori Matsushita, Nobuhiko Funato
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Patent number: 11807966Abstract: An upper feed device includes a main body portion configured to be mounted to a presser bar of a sewing machine, and a presser foot configured to be detachably mounted to the main body portion. The main body portion has an upper feed dog, a first mounting portion, and a second mounting portion. The first mounting portion has a first groove opening downward, and the second mounting portion has a second groove opening downward. The presser foot has a presser plate, a first opposing portion, a second opposing portion, a first pin, a first protruding portion, a second pin, and a second protruding portion. An opening is formed in the presser plate. The first pin is configured to rotatably fit into the first groove. The second pin is configured to rotatably fit into the second groove.Type: GrantFiled: June 25, 2021Date of Patent: November 7, 2023Assignee: BROTHER KOGYO KABUSHIKI KAISHAInventors: Masahisa Kato, Nobuhiko Funato
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Patent number: 11464267Abstract: A device (40) and a method is described for handling fragments (10) of a broken needle (11), for example in the context of a needle exchange of a broken needle (11) for a new needle (17). The fragments (10) of the broken needle (11) are arranged in a container (16) in a predetermined position. An image (32) of the fragments (10) of the broken needle (11) is then recorded with the aid of a camera (23). The recorded image (32) is stored for documentation (32) at at least one storage location and/or analysed as to whether all the fragments (10) of the broken needle (11) are present. After recording the image (32), the container (16) is closed in order to avoid the fragments (10) of the needle (11) being lost away from the sewing workstation.Type: GrantFiled: December 1, 2017Date of Patent: October 11, 2022Assignee: GROZ-BECKERT KGInventor: Reiner Schmidt
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Patent number: 10435830Abstract: A buttonhole sewing guiding device of a sewing machine includes a buttonhole presser foot unit disposed on a presser foot holder of the sewing machine, and a sensing unit disposed on the buttonhole presser foot unit. A presser frame of the foot unit is movable relative to a sliding member between first and second sewing positions set in accordance with an operating distance that corresponds to a size of a button to allow first and second triggering members to initiate a sensing module for controlling operation of a sewing needle.Type: GrantFiled: January 11, 2018Date of Patent: October 8, 2019Assignee: ZENG HSING INDUSTRIAL CO., LTD.Inventor: Chia-Hui Yu
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Patent number: 10301753Abstract: A presser foot for a sewing machine has a bottom wall, first and second side walls, and a guard piece. The bottom wall has front and rear ends. In addition, the bottom wall is provided with a needle-passing hole and a first slit extending from the needle-passing hole to the front end. The first side wall and the second side wall are formed integral with the bottom wall and spaced apart from each other in a width direction of the bottom wall. The guard piece is attached to the first side wall to cover the gap between the first side wall and the second side wall from above. In plan view, the guard piece is spaced from the needle-passing hole and does not overlap with the needle-passing hole. The guard piece and the second side wall are spaced apart from each other by a second slit.Type: GrantFiled: October 18, 2017Date of Patent: May 28, 2019Assignee: CLOVER MFG. CO., LTD.Inventors: Chihiro Iwasaki, Yuji Kawasaki
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Patent number: 9297102Abstract: A presser device with a fabric guide including a presser foot mounted on a presser bar of a sewing machine; a fabric guide body provided parallel to the presser foot, a position of the fabric guide body being slidable and adjustable; a guide pin provided from a lateral portion of the presser foot in a direction orthogonal to a fabric feeding direction; the fabric guide body guiding an edge of a fabric, the guide pin being inserted through a guide hole of the fabric guide body; a guide pin pressing plate pivotally fitted to the fabric guide body. The guide pin pressing plate having a pushing-up portion that abuts against a needle plate and that exerts a pivoting force about a pivoting point, and a pressing hole through which the guide pin is inserted, the pressing hole applying pressing force to the guide pin.Type: GrantFiled: October 30, 2014Date of Patent: March 29, 2016Assignee: JANOME SEWING MACHINE COMPANY LIMITEDInventors: Ushio Yokoyama, Muneyuki Ishikawa, Chiyo Toyomi
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Publication number: 20150107504Abstract: A cloth presser includes a grip portion, a first press end and a second press end. The grip portion is elongated, having a straight longitudinal axis. The first press end and the second press end are spaced apart from each other, with the grip portion intervening between the first press end and the second press end. The first press end is configured to make point contact with an object such as a piece of cloth, and the second press end is configured to make surface contact with the object.Type: ApplicationFiled: October 9, 2014Publication date: April 23, 2015Inventors: Kumiko NITTA, Chihiro IWASAKI
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Patent number: 8701577Abstract: A sewing machine with an adjusting structure capable of controlling a swing center of a swing arm includes an adjusting apparatus and corresponding structures cooperating with the adjusting apparatus. The adjusting apparatus is provided on the pivotal portion with a sliding groove and a sliding block that can horizontally slide with respect to each other. Between the sliding groove and the sliding block are further provided an adjusting bolt and an elastic element. By rotating the adjusting bolt, the relative position between the swinging center around which the whole swing arm pivots and the whole structure of the swing arm can be changed in the horizontal direction accurately and conveniently, thus assuredly adjusting the start point of the travel of the presser foot, achieving the objective of accursedly adjusting position of the travel sensing apparatus.Type: GrantFiled: February 17, 2011Date of Patent: April 22, 2014Inventor: Hsien-Chang Tseng
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Patent number: 8590468Abstract: A presser device for a sewing machine is disclosed. The presser device includes a presser bar; a presser foot provided at a lower end of the presser bar; a presser spring elastically biasing the presser foot downward; a presser-foot lifting lever moved between a lifted position and a lowered position for lifting/lowering of the presser foot; a speed restraining element producing resistance capable of slowing down the movement of the lever; and a speed-restraint switch mechanism that slows down the movement of the presser-foot lifting lever by allowing the speed restraining element to produce the resistance when the presser-foot lifting lever is moved from the lifted position to the lowered position, and that does not slow down the movement of the presser-foot lifting lever by not allowing the speed restraining element to produce the resistance when the presser-foot lifting lever is moved from the lowered position to the lifted position.Type: GrantFiled: July 18, 2011Date of Patent: November 26, 2013Assignee: Brother Kogyo Kabushiki KaishaInventor: Shinya Fujihara
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Publication number: 20130025517Abstract: A multi-needle sewing machine includes needle bars, presser feet, a support member configured to support the needle bars such that the needle bars can move up and down, a cutting member, a guide member configured to move between an extended position and a stand-by position, and a holding member configured to hold an end portion of a upper thread, the holding member including a fixed member that is mounted to the support member, movable members each of which is provided for one of the needle bars, and includes a guide portion formed by cutting a notch in an outer end portion on the needle bar side of the movable member, and elastic members each of which is provided for one of the movable members and configured to elastically energize the one of the movable members toward the fixed member.Type: ApplicationFiled: July 6, 2012Publication date: January 31, 2013Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventor: Shinya FUJIHARA
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Publication number: 20120246888Abstract: A fastener attached product is structured such that a slide fastener is sewn to right and left attached bodies which are bent in a U-shape, and the right and left attached bodies are arranged in a tape surface side to which the element rows of the fastener tape are sewn. Further, the right and left attached bodies come into contact with the outer surfaces of right and left flanges which are arranged in a slider, and the element rows are arranged and exposed between the right and left attached bodies. As a result of this configuration, since the fastener tape is invisible from the outside by the attached body, exposing the element rows can provide the fastener attached product with different design from conventional products and eliminate problems due to degradation in the appearance and design which is caused by the exposure of the fastener tapes.Type: ApplicationFiled: December 24, 2009Publication date: October 4, 2012Inventors: Haruo Matsushima, Koji Ito, Tetsuya Yoshino, Seiji Koga
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Publication number: 20120246889Abstract: A method of sewing a fastener stringer includes the steps of conveying a fastener stringer and an attached body to a sewing section of a sewing machine in a state with the fastener stringer superposed on the attached body, and arranging an element guide section in the sewing section of the sewing machine, bending a fastener tape in a direction in which a tape bent section opens, guiding the element rows to the element guide section and sewing the fastener tape to the attached body. Accordingly, the method enables a sewing line formed by a sewing thread to be disposed at a predetermined position and the fastener tape and the attached body to be easily and efficiently sewn together.Type: ApplicationFiled: December 25, 2009Publication date: October 4, 2012Applicant: YKK CorporationInventors: Haruo Matsushima, Koji Ito, Tetsuya Yoshino, Seiji Koga
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Publication number: 20120222603Abstract: An automated flanging machine is provided. More specifically, a machine for automatically sewing a flange onto a work panel having a consistent corner radius and a straight edge is provided. The machine has a table adapted to support a work panel, a sewing head mounted directly adjacent to the table for performing a sewing operation on the work panel, a turning arm mounted adjacent to the table, and a rear conveyor for selectively moving the work panel on the table. The table may include a corner pivot mechanism for stabilizing the panel while the turning arm turns the panel 90 degree relative to an initial position, and for maintaining a consistent corner radius for sewing. The machine may also include a rear material guide and encoding arm for measuring the progression of the work panel as it is sewn along a side by the sewing head.Type: ApplicationFiled: March 1, 2011Publication date: September 6, 2012Applicant: L & P PROPERTY MANAGEMENT COMPANYInventors: JAY MARK SMITH, DUSTIN W. SMITH
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Publication number: 20120210923Abstract: An adjusting structure for a swing arm and a swinging center that control travel of a sewing machine comprises an adjusting apparatus and corresponding structures cooperating with the adjusting apparatus. The adjusting apparatus is provided on the pivotal portion with a sliding groove and a sliding block that can horizontally slide with respect to each other. Between the sliding groove and the sliding block are further provided an adjusting bolt and an elastic element. By rotating the adjusting bolt, the relative position between the swinging center around which the whole swing arm pivots and the whole structure of the swing arm can be changed in the horizontal direction accurately and conveniently, thus assuredly adjusting the start point of the travel of the presser foot, achieving the objective of accursedly adjusting position of the travel sensing apparatus.Type: ApplicationFiled: February 17, 2011Publication date: August 23, 2012Inventor: Hsien-Chang TSENG
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Publication number: 20120017815Abstract: A presser device for a sewing machine is disclosed. The presser device includes a presser bar; a presser foot provided at a lower end of the presser bar; a presser spring elastically biasing the presser foot downward; a presser-foot lifting lever moved between a lifted position and a lowered position for lifting/lowering of the presser foot; a speed restraining element producing resistance capable of slowing down the movement of the lever; and a speed-restraint switch mechanism that slows down the movement of the presser-foot lifting lever by allowing the speed restraining element to produce the resistance when the presser-foot lifting lever is moved from the lifted position to the lowered position, and that does not slow down the movement of the presser-foot lifting lever by not allowing the speed restraining element to produce the resistance when the presser-foot lifting lever is moved from the lowered position to the lifted position.Type: ApplicationFiled: July 18, 2011Publication date: January 26, 2012Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventor: Shinya FUJIHARA
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Patent number: 8082863Abstract: In a presser foot and a sewing machine according to the present invention, a guide hole is formed in a presser leg to which a fixed knife is attached, so as to passing through the presser leg up and down, and a knife holder is fitted and held to the guide hole. The fixed knife is inserted to a retention groove provided in a peripheral surface of the knife holder through a window hole provided in the presser leg, and is fixed by fastening a stop screw. A position of the fixed knife is adjusted in a vertical direction by moving the knife holder in the vertical direction along the guide hole and fastening the stop screw at an appropriate position, thereby changing a cut position of ends of fabrics and changing an overlapped width of the fabrics at a time of seaming.Type: GrantFiled: September 18, 2009Date of Patent: December 27, 2011Assignee: Yamato Mishin Seizo Kabushiki KaishaInventor: Ryuichiro Kinoshita
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Publication number: 20110308439Abstract: A sewing machine includes a presser foot (2) mounted pivotably about a horizontally aligned axis (1), which is configured to cooperate with an undertransporting apparatus disposed on a support area (3) for a material to be sewn, which includes two material sliders (4, 5) mounted movably with respect to one another for the continuous transport of the material in a feed direction. Both material sliders (4, 5) are configured to be extended horizontally when viewed in the feed direction both in a region before and in a region after the axis (1) of the presser foot (2).Type: ApplicationFiled: July 7, 2011Publication date: December 22, 2011Applicant: Xi'an Typical GmbHInventors: Franz Gries, Michael Bernhart, Holger Labes
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Publication number: 20110203505Abstract: A sewing machine is disclosed that includes a needle bar allowing attachment of a sewing needle including a needle eye to a lower end of thereof; a needle-bar lifting/lowering mechanism that moves the needle bar up and down; a presser foot; a presser foot lifting/lowering mechanism that moves the presser foot up and down; a hook that is provided with a beak for seizing a needle thread loop formed at the needle eye and that rotates in coordination with the up and down movement of the needle bar; and a controller that controls the presser foot lifting/lowering mechanism so as to resize a needle thread loop by lifting the presser foot to a predetermined height in coordination with a swing position of the needle bar and a predetermined height of the needle bar where the beak meets the needle thread loop.Type: ApplicationFiled: February 17, 2011Publication date: August 25, 2011Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Masahiko NAGAI, Masaru JIMBO, Eiichi HAMAJIMA, Toru IMAEDA, Hiroshi YAMASAKI, Daisuke UEDA, Yasuhiro ISHIYAMA
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Publication number: 20100282149Abstract: A manually operated sewing machine device having a square needle feed and jump foot system, capable of using thread sizes 69 through 346, inclusive, and standard 328 System needles ranging in size from 140 (#22) to 230 (#26). The machine will sew material from light fabric to heavy materials such as approximately ¾ inch thick leather, canvas, and nylon webbing, featuring a hand crank or hand wheel capable of being connected to and driven by a motor. The synchronized motion of the needle, jump foot, and a shuttle hook is accomplished by use of three (3) fixed cams and a rack and pinion drive for the shuttle hook.Type: ApplicationFiled: April 8, 2009Publication date: November 11, 2010Inventor: Anthony Luberto
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Publication number: 20100212562Abstract: A workpiece processing attachment detachably attached to a sewing machine including a presser foot, a presser bar having the presser foot detachably attached to its lower end, a presser bar vertically moving mechanism, a sewing needle, a needle clamp having the sewing needle detachably attached thereto, a needle bar having the needle clamp attached thereto, and a needle bar vertically moving mechanism, the workpiece processing attachment, including a body detachably attached to the lower end of the presser bar; a connecting element capable of being connected to the needle clamp and movable up and down with the needle bar being moved up and down by the needle bar vertically moving mechanism; a needle penetrating the workpiece to form a hole in the workpiece; and a needle vertically moving mechanism moving the needle up and down by the up and down movement of the connecting element.Type: ApplicationFiled: January 21, 2010Publication date: August 26, 2010Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Akifumi Nakashima, Daisuke Ueda
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Publication number: 20100212561Abstract: A sewing machine including a presser foot that presses a workpiece, a presser bar that has a lower end allowing detachable attachment of the presser foot; a presser bar vertically moving mechanism that moves the presser bar up and down; a presser bar driver that drives the presser bar vertically moving mechanism; a needle plate that has an upper surface for placing the workpiece; a projecting element that is detachably attached to the presser bar and that is driven up and down with the presser bar as the presser bar is driven up and down by the presser bar driver through the presser bar vertically moving mechanism to form embosses on the workpiece by downwardly pressing the workpiece; and a receiving section that is provided on the upper surface of the needle plate that opposes the projecting element to receive a tip of the projecting element.Type: ApplicationFiled: January 21, 2010Publication date: August 26, 2010Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Akifumi Nakashima, Daisuke Ueda
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Publication number: 20100199900Abstract: A holding device (3) for a tool, e.g., a textile marker (5), for the processing of a textile or non-textile sheet material (44) is attached to the presser foot bar (23) of a sewing machine (1). The tool is supported by a tool holder (15) so that it can move on a base part (19) of the holding device (3) and can be changed in its position or activation through movements of the needle bar (9) of the sewing machine (1).Type: ApplicationFiled: February 5, 2010Publication date: August 12, 2010Applicant: BERNINA-INTERNATIONAL AGInventors: Severin Brunner, Dusan Dunjic, Markus Müller
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Publication number: 20100071604Abstract: In a presser foot and a sewing machine according to the present invention, a guide hole is formed in a presser leg to which a fixed knife is attached, so as to passing through the presser leg up and down, and a knife holder is fitted and held to the guide hole. The fixed knife is inserted to a retention groove provided in a peripheral surface of the knife holder through a window hole provided in the presser leg, and is fixed by fastening a stop screw. A position of the fixed knife is adjusted in a vertical direction by moving the knife holder in the vertical direction along the guide hole and fastening the stop screw at an appropriate position, thereby changing a cut position of ends of fabrics and changing an overlapped width of the fabrics at a time of seaming.Type: ApplicationFiled: September 18, 2009Publication date: March 25, 2010Inventor: Ryuichiro KINOSHITA
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Patent number: 7654209Abstract: An embroidery machine includes a sewing arm having an upper shaft for providing a driving force, a needle bar support case, which is assembled to a front portion of the sewing arm so as to be laterally movable, a needle bar provided in a needle bar support case, the needle bar having a needle at a lower end thereof and vertically carrying the needle using a rotation driving force of the upper shaft, and a presser foot, which is provided in the needle bar support case so as to be vertically movable, characterized in that each of the needle bar and the presser foot is operated by an individual drive mechanism. The presser foot is separately driven by its own drive source, independent of the drive source of the needle bar.Type: GrantFiled: March 7, 2008Date of Patent: February 2, 2010Assignee: Sunstar Precision Co., Ltd.Inventor: Chan Soo Park
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Patent number: 7640879Abstract: A fabric-processing device includes a body, a presser foot attached to the body, and a heater attached to the presser foot. The heater is in a heat-exchange relationship with the presser foot.Type: GrantFiled: September 28, 2007Date of Patent: January 5, 2010Assignee: Clover Group International LimitedInventor: Wai Ching Andy Lau
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Publication number: 20090301369Abstract: A controller of a sewing machine configured to execute a pre-positioning operation including controlling a needle bar driving mechanism, based on a thickness of a workpiece cloth detected by a thickness detection mechanism and a vertical position of a needle bar detected by a needle bar position detection mechanism, to stop a needle bar at a preset position immediately before a tip of a sewing needle pierces the workpiece cloth, controlling a pressure adjustment mechanism to adjust a pressure of a presser foot at a predetermined pressure that allows movement of the workpiece cloth, and controlling a feed dog switching mechanism to switch a feed dog to an inoperative state.Type: ApplicationFiled: May 27, 2009Publication date: December 10, 2009Applicant: BROTHER KOGYO KABUSHIKI KAISHAInventors: Yasuhiko Kawaguchi, Hiroshi Yamasaki
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Publication number: 20090277366Abstract: A pressure adjustment structure for a presser foot of a sewing machine, wherein one end of a horizontal arm of the sewing machine is disposed with a presser bar of the presser foot, and an elastic member is mounted on the presser bar. The end of the horizontal arm is provided with a main supporting frame, so that the pressing member slides on the main supporting frame with a pressing body and a guiding member, and one end of the pressing member presses an elastic member. In addition, the pressing body extends towards and is driven by an adjustment element of the main supporting frame, so that the pressing member driven by the pressing body slides on the main supporting frame to press the elastic member so as to provide different pressure. A second supporting frame is disposed on the main supporting frame to connect with the horizontal arm.Type: ApplicationFiled: May 11, 2008Publication date: November 12, 2009Inventor: Hsien-Chang Tseng
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Publication number: 20090255453Abstract: A needle bar supported in a head unit is connected with a needle bar lever extending from the inside of a sewing machine arm and the needle bar is moved up and down by swing of the needle bar lever about a supporting shaft generated by transmission from a sewing machine main shaft. The sewing machine arm and the head unit are fluid-tightly shielded by a shield plate, and a first sealing part is provided in the shield plate. The first sealing part supports the needle bar lever by fitting a portion of the needle bar lever into seal plates held between a presser plate and a back face of a seal support having a curved shape of a circular arc taken along a swinging locus of the needle bar lever. The inside of the sewing machine arm is oil-lubricated, and the inside of the head unit is grease-lubricated.Type: ApplicationFiled: April 3, 2009Publication date: October 15, 2009Inventors: Yasuo KANEGAWA, Toshiro MITSUJI
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Publication number: 20090020056Abstract: A cloth presser device of a sewing machine is provided. The cloth presser device includes a presser bar, a presser foot rotatably supported by the presser bar at an intermediate portion of the presser foot in a cloth feeding direction, an auxiliary presser rotatably coupled to the presser foot on an upstream side, in the cloth feeding direction, of a point at which the presser bar supports the presser foot, the auxiliary presser having a cloth pressing portion which presses a cloth on a downstream side of a portion of the auxiliary presser coupled to the presser foot, and a front presser spring attached to the presser bar and downwardly biasing the cloth pressing portion. A point at which the front presser spring presses the auxiliary presser is on a downstream side of the portion of the auxiliary presser coupled to the presser foot.Type: ApplicationFiled: July 16, 2008Publication date: January 22, 2009Applicant: JUKI CORPORATIONInventor: Shuuji FUJITA
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Patent number: 7418909Abstract: Sewing device for sewing first and second strips of sealing materials with respective first and second base materials. A first guide through-hole, through which the first strip of sealing material passes, is formed in a presser foot of the sewing device adjacent to a needle hole formed in the latter. A second guide though-hole, through which the second strip of sealing material passes, is formed in a feed dog member of the sewing device at a point adjacent to that needle hole. In operation, while the first and second base materials are fed by and between the presser foot and feed dog member, the first and second strips of sealing materials are simultaneously fed together with the first and second base materials, while being precisely guided by the respective first and second guide through-holes for sewing with the respective first and second base materials.Type: GrantFiled: November 24, 2006Date of Patent: September 2, 2008Assignee: TACHI-S Co., Ltd.Inventor: Yukihito Kobayashi
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Patent number: 7360497Abstract: A sewing machine comprises a presser foot; a drive shaft operably connected to the presser foot which imparts periodic upward movement to the presser foot; and a biasing mechanism operably connected to the presser foot which normally biases the presser foot into a downward position, the biasing mechanism comprising a toggle link having a pivot, a resilient element operably connected to the toggle link on one side of the pivot and the presser foot operably connected to the toggle link on the other side of the pivot.Type: GrantFiled: May 10, 2004Date of Patent: April 22, 2008Assignee: L & P Property Management CompanyInventors: Steven Marcangelo, John L. Sigouin
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Publication number: 20080078314Abstract: A fabric-processing device includes a body, a presser foot attached to the body, and a heater attached to the presser foot. The heater is in a heat-exchange relationship with the presser foot.Type: ApplicationFiled: September 28, 2007Publication date: April 3, 2008Inventor: Wai Ching Andy Lau
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Patent number: 7316191Abstract: A free work pressing device for a sewing machine includes a holding portion for mounting the free work pressing device to the presser bar of sewing machine, a slide shaft supported by the holding portion and being slidingly movable in the axial direction, a work pressing foot secured to the lower end of the slide shaft, an elastic member for normally pressing the slide shaft axially in the downward direction relative to the holding portion, an adjust mechanism for adjusting the vertical position of the work pressing foot relative to the work which is to be stitched. The work pressing foot is smoothly movable as yielding up and down in dependence upon a variation in the thickness of the work against and under control of the elastic member.Type: GrantFiled: October 31, 2006Date of Patent: January 8, 2008Assignee: Janome Sewing Machine Co., Ltd.Inventors: Eiichi Shomura, Mikio Koike, Masafumi Taoka
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Patent number: 7296525Abstract: A sewn product is protected from being stained by melted leavings of a work material by cooling a needle moving at a high speed, and thus the quality of the product may be enhanced when the work material is sewed by a presser foot of the present invention, and a sewing machine using the same, wherein the presser foot is provided with a fluid line for injecting a fluid toward the needle.Type: GrantFiled: November 10, 2005Date of Patent: November 20, 2007Assignee: Yupoong, Inc.Inventor: Byoung-Woo Cho
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Patent number: 7134399Abstract: A device is taught for holding a sew cord or corded piping while it is cut and for manufacturing sew cord with a desired seam allowance. The device incorporates an adjustable seam allowance by providing notches cut for holding the sew cord after or during stitching and during the cutting of the seam allowance. Various methods of adjusting the length of the seam and automating the process include having variable distance cuts, having a reduced side for tracking a cutting blade incorporating the device into a presser and incorporating a cutting blade in the product.Type: GrantFiled: February 10, 2004Date of Patent: November 14, 2006Inventor: Alma J. Gulsby
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Patent number: 7096808Abstract: A protection device for sewing machine includes a presser which has a first end connected to a presser bar and a second end of the presser has a through hole so that the needle reciprocally extends therethrough. A needle cover is connected to a top of the second end of the presser and no gap is defined between the needle cover and the top of the presser. The needle cover protects the user from being hurt by broken needle.Type: GrantFiled: August 4, 2005Date of Patent: August 29, 2006Inventor: Tseng Hsien Chang
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Patent number: 6910433Abstract: A push-up lever is rotatably supported on a sewing machine frame, and a coupling lever is coupled to the push-up lever. An oscillating shaft is rotatably supported on a bush, and the coupling lever is engaged with a part of the oscillating shaft. A presser base is coupled to a crank piece of the oscillating shaft, and a presser foot is fixed at its leading end. An elastic member engaged with the presser base. A bracket changeable in fixing position is supported on the back side of the sewing machine frame, and the bush is fixed in the bracket. The crank piece of the oscillating shaft is separable in two pieces, and the engaging faces of the two separated crank pieces are fixed anew when changing the fixing position of the bracket. Therefore, the circular track of the presser foot near the platform of the sewing machine bed can be changed easily, and an eccentric portion of the crank piece is not changed from an initial setting position.Type: GrantFiled: April 16, 2004Date of Patent: June 28, 2005Assignee: Pegasus Sewing Machine Mfg. Co. Ltd.Inventors: Masahiko Nishikawa, Takashi Kasuda, Junji Kawakami
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Publication number: 20040221782Abstract: A push-up lever is rotatably supported on a sewing machine frame, and a coupling lever is coupled to the push-up lever. An oscillating shaft is rotatably supported on a bush, and the coupling lever is engaged with a part of the oscillating shaft. A presser base is coupled to a crank piece of the oscillating shaft, and a presser foot is fixed at its leading end. An elastic member engaged with the presser base. A bracket changeable in fixing position is supported on the back side of the sewing machine frame, and the bush is fixed in the bracket. The crank piece of the oscillating shaft is separable in two pieces, and the engaging faces of the two separated crank pieces are fixed anew when changing the fixing position of the bracket. Therefore, the circular track of the presser foot near the platform of the sewing machine bed can be changed easily, and an eccentric portion of the crank piece is not changed from an initial setting position.Type: ApplicationFiled: April 16, 2004Publication date: November 11, 2004Applicant: Pegasus Sewing Machine Mfg. Co., Ltd.Inventors: Masahiko Nishikawa, Takashi Kasuda, Junji Kawakami
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Patent number: 6792883Abstract: An article and an apparatus and method for making the article. The article including a first piece of material having a margin extending inwardly from an edge of the material. The margin has an inner edge spaced from the material edge. A second piece of material having a margin extending inwardly from an edge of the second material is joined to the first piece of material along inner edges of the margins. A third piece of material is fixed over the margins, and has a first edge fixed to the first piece of material and a second edge fixed to the second piece of material.Type: GrantFiled: March 14, 2002Date of Patent: September 21, 2004Assignee: Eagle Ottawa, LLCInventor: Ronald Ashton
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Patent number: 6748889Abstract: A pressure foot assembly for minimizing puckering or bunching of quilt or fabric when being sewn or during other contour sewing. The assembly includes a non-rotating or non-walking pressure foot that has a laterally displaced inner foot from the inner feed dog of the machine. The assembly may include a rotating or “walking” pressure foot recessed under the base and outer pressure foot. The assembly includes a cloth guide to laterally limit the movement of the fabric in the direction of the inner foot.Type: GrantFiled: September 26, 2002Date of Patent: June 15, 2004Inventors: John D. Martelli, Sandra F. Chandler
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Patent number: 6745711Abstract: A pressure foot for minimizing puckering or bunching of biasing fabric and a cloth item, garment or quilt when being sewn or finished. The pressure foot includes a laterally displaced inner foot displaced from the inner feed dog of the sewing machine and a bias guide between the inner and outer feet. The pressure foot is adapted to be used alone or in combination with a bias binder sewing aid that automatically folds the biasing fabric. The pressure foot and bias binder sewing aid form a kit for sewing biasing fabric to an unfinished edge of a cloth item, garment, quilt or the like.Type: GrantFiled: January 13, 2003Date of Patent: June 8, 2004Inventor: John D. Martelli
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Patent number: 6736077Abstract: A presser foot assembly is disclosed which is operable to adjust the pressure applied to a fabric by a presser foot in a stitching machine. The presser foot assembly includes an adjustment element, a linkage and a presser foot. A connecting end of the presser foot is connected to the linkage. The adjustment element is operable to be adjusted while the stitching machine is operating, and adjusts the linkage such that the travel distance of a foot end of the presser foot changes. The adjustment element can include an adjustment eccentric, which adjusts the location of a cam. The linkage can include a cam follower, the height of a second end of which is changed when the cam is adjusted. The connecting end of the presser foot engages with the second end of the cam follower, and thus the height of the foot end is adjusted, allowing for more or less pressure to be applied to the fabric.Type: GrantFiled: January 31, 2002Date of Patent: May 18, 2004Assignee: Melco Industries Inc.Inventors: Alex Pokrishevsky, Manfred Zesch
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Patent number: 6725795Abstract: An improved sewing machine is disclosed for making consistent edge seams. The improvement automatically adjusts a width of a sewn seam based upon feedback from a sensor which detects a position of a sewn edge. Feedback from the sensor causes a transverse adjustment in the position of an edge guide. An outside foot of the sewing machine may be suspended on a biased linkage to permit its transverse displacement when making an adjustment to a seam width.Type: GrantFiled: January 4, 2002Date of Patent: April 27, 2004Inventor: Felix Gonzalez
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Patent number: 6712014Abstract: A sewing cartridge includes a cassette body, a hollow needle that can pass through a work cloth, a spool around which a thread to be supplied to the hollow needle is wound, a needle cover that covers at least a tip of the hollow needle, and a coil compression spring that urges the needle cover to a cover position where the needle cover covers the hollow needle.Type: GrantFiled: July 3, 2001Date of Patent: March 30, 2004Assignee: Brother Kogyo Kabushiki KaishaInventors: Toshiyuki Mamiya, Yasuhiro Shimizu
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Publication number: 20030209179Abstract: A foot for a quilting machine, adapted to be used with templates. The foot is preferably generally bowl shaped, instead of disk shaped, and has substantially vertical sides of sufficient height to prevent the foot from slipping over or under a template when a user attempts to follow the outline of the template. In an alternative embodiment, the foot is substantially cylindrical in shape.Type: ApplicationFiled: August 23, 2002Publication date: November 13, 2003Inventor: Michelle Scordos
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Patent number: 6634308Abstract: A presser foot for a sewing machine is provided with a pair of forwardly mounted, pivotal pressure shoes having inclined front and rear surfaces for maintaining continuous contact with the sewn material while stitching across raised, high seam material areas.Type: GrantFiled: May 3, 2002Date of Patent: October 21, 2003Inventor: Alan Roy Martin
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Patent number: 6591768Abstract: The device is designed for sewing buttons (28) using common household sewing machines. To simplify button sewing with household sewing machines, the invention proposes a button-sewing foot (10) which can be snapped into the pressure-foot holder (14) of the sewing machine. By means of retaining elements (26, 30) the button (28) can be pressed against the button-sewing foot (10) in such fashion that, independent of the position of the latter, the needle of the sewing machine can be aligned with a given button perforation (32).Type: GrantFiled: June 6, 2002Date of Patent: July 15, 2003Assignee: VSM Group ABInventors: Rolf Kessler, Peter Schutt
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Publication number: 20020185044Abstract: The device is designed for sewing buttons (28) using common household sewing machines. To simplify button sewing with household sewing machines, the invention proposes a button-sewing foot (10) which can be snapped into the pressure-foot holder (14) of the sewing machine. By means of retaining elements (26, 30) the button (28) can be pressed against the button-sewing foot (10) in such fashion that, independent of the position of the latter, the needle of the sewing machine can be aligned with a given button perforation (32).Type: ApplicationFiled: June 6, 2002Publication date: December 12, 2002Inventors: Rolf Kessler, Peter Schutt