Frames Patents (Class 112/258)
  • Patent number: 4372234
    Abstract: A machine forming stitches invisible on one work face, with curved needle, looper, work feed, and associated drive mechanisms arranged beneath the work. After convenient assembly of these mechanisms on bosses rising from a frame base, a frame cover is attached carrying a presser and a device for forming a work ridge in the needle path. A compartment extending across this machine front is formed within the frame to accommodate the needle thread supply and controls.
    Type: Grant
    Filed: December 14, 1981
    Date of Patent: February 8, 1983
    Assignee: The Singer Company
    Inventors: Karl H. Killinger, Kenneth M. Johnson, Peter J. Totino
  • Patent number: 4343252
    Abstract: A free arm sewing machine is provided with a manually operated arrangement for positioning and holding the sewing machine body relative to its base. This arrangement comprises a transverse shaft turnable in the base of the sewing machine, an operating dial secured to the shaft and a disc also secured to the shaft and having a pin engageable with a groove formed in the free arm of the sewing machine.
    Type: Grant
    Filed: February 22, 1980
    Date of Patent: August 10, 1982
    Assignee: Janome Sewing Machine Co. Ltd.
    Inventor: Susumu Hanyu
  • Patent number: 4316422
    Abstract: A combined sewing machine housing and a clamping jig therefor to position the housing for machining purposes comprises a housing bed arm having a column connected to one end and extending upwardly therefrom and supporting one end of an upper arm. The clamping jig includes a post having stop guards thereon for aligning the upper arm and bed arms and column so that they may be positioned on the top of the jig. The sewing machine housing also has a plurality of bearing surfaces defined thereon which may be aligned with or engaged over a corresponding number of clamping elements in the form of rotatable dogs. When the housing is in position on the clamping jig it will be aligned so that one clamping dog enters through an opening of the sewing machine housing and may be rotated into a position to clamp against a bearing surface and the other clamping dogs may be rotated to engage over a bearing surface which is positioned alongside of it.
    Type: Grant
    Filed: September 10, 1979
    Date of Patent: February 23, 1982
    Assignee: Dorina Nahmaschinen GmbH
    Inventor: Willi Meier
  • Patent number: 4296702
    Abstract: An electric sewing machine comprises a casing with an electric drive motor mounted in the casing. The casing includes a recess defined in the base portion which opens on one end and receives a control member which fits in the recess. The control member carries a control for regulating the speed of the motor which includes a foot-pedal switch for operating a variable resistance to change the motor speed. The control member includes a reel over which a connecting cable is wound and which extends between the control in the housing of the control member through the casing to the motor. A winding mechanism permits the control member to be removed from the recess of the casing by permitting the unwinding of the cable without disconnecting it from the control. The winding mechanism includes a reel which is unwound with the cable and a spring for returning the reel when the cable is to be rewound for replacement of the control into the housing.
    Type: Grant
    Filed: March 19, 1979
    Date of Patent: October 27, 1981
    Assignee: Dorina Nahmaschinen GmbH
    Inventors: Willi Meier, Bernd Rojahn
  • Patent number: 4274349
    Abstract: Disclosed is a lightweight, inexpensive toy electric sewing machine made primarily of molded plastic components which are easily assembled with minimum of tools.
    Type: Grant
    Filed: April 5, 1979
    Date of Patent: June 23, 1981
    Inventor: John S. Doyel
  • Patent number: 4241681
    Abstract: Circumferential stitching of a tubular workpiece is assisted by means of a moving support and feed system which includes a rotatable drum of smaller diameter than the workpiece having an upper end surface positioned adjacent to a stitching station with a conventional stitching mechanism. The workpiece is prepared for stitching by pulling it axially onto the drum like a sleeve. The portion of the workpiece to be stitched is then advanced transversely through the stitching station by a puller which engages the top of the workpiece while the drum is rotated synchronously to keep the workpiece from twisting. A portion of the drive system for the stitching mechanism runs through the interior of the rotating drum. A blind cutter next to the stitching station enables the operator to cut excess thread inside the workpiece after stitching simply by moving the workpiece in a certain manner.
    Type: Grant
    Filed: June 21, 1979
    Date of Patent: December 30, 1980
    Inventor: Robert E. Porter
  • Patent number: 4241472
    Abstract: A sewing machine handle is provided with depending legs which terminate in eccentric pads that are insertable in holes in the casing of the machine at the top of the bracket arm and are caused to engage the inside of the casing and support the machine when the handle is lifted.
    Type: Grant
    Filed: August 16, 1979
    Date of Patent: December 30, 1980
    Assignee: The Singer Company
    Inventor: Ronald C. Iannarone
  • Patent number: 4211178
    Abstract: A mount system for mounting sewing machines provided with hinge pin sockets adjacent an edge of the work supporting surface, comprising a pair of elongated equal height mounting brackets having pins adapted to be inserted into and locked within the hinge pin sockets, the brackets being adapted at their other end to be mounted to a machine supporting surface or shelf, together with a machine rest also adapted to be mounted with the machine supporting surface to sustain the front of the sewing machine bed, the system thereby locating the work supporting surface at the desired height independent of the machine bed height or depth through the fixed hinge pin socket distance relationship, and the fixed height of the bracket pin on the bracket.
    Type: Grant
    Filed: February 28, 1979
    Date of Patent: July 8, 1980
    Assignee: The Singer Company
    Inventor: Wesley R. Peterson
  • Patent number: 4203378
    Abstract: A sewing machine has an electronic control system for providing selected fancy patterns, the system including a replaceable memory store unit which plugs into a recess formed in the outer front surface of the machine.
    Type: Grant
    Filed: June 29, 1977
    Date of Patent: May 20, 1980
    Assignee: Husqvarna Aktiebolag
    Inventors: Hannes Giesselmann, Kenneth Skogward
  • Patent number: 4183310
    Abstract: Work feeding mechanism and a rotatable loop taker are provided for a sewing machine in a module wherein a rock shaft connects with a feed bar through a flat spring enabling a feed dog on the feed bar to be moved by camming means in a direction perpendicular to the work feeding direction as the feed dog is moved in the work feeding direction by the action of the rock shaft. The camming means which is disposed under the feed bar is located in line with the feed dog to minimize inertia effects and guiding means associated with the feed bar maintain the feed dog level as the feed dog is moved in the work feeding direction and perpendicular to it.
    Type: Grant
    Filed: December 21, 1978
    Date of Patent: January 15, 1980
    Assignee: The Singer Company
    Inventor: Ralph E. Johnson
  • Patent number: 4129922
    Abstract: A hinge for the lid contained on the arm top cover of a sewing machine which comprises a pair of cam shaped pivot pins molded into the arm top cover and a pair of saddles molded into the lid and adapted to receive the pivot pins. A plastic spring havng a pivot pin embracing tab at each end is removably fastened to the lid. The plastic spring imparts a "snapping" action to restrain the lid in an open or closed position.
    Type: Grant
    Filed: February 24, 1978
    Date of Patent: December 19, 1978
    Assignee: The Singer Company
    Inventors: Joseph P. Law, Alfred R. Mack
  • Patent number: 4127077
    Abstract: A portable sewing machine comprises a frame formed of a base, a column, an upper arm, a head and flaps detachably hinged to edges of the upper face of the base. The machine stands on a part of the base adjacent the column and the base has an overhanging free end part enabling the sewing of tubular articles when the flaps are removed.
    Type: Grant
    Filed: June 17, 1977
    Date of Patent: November 28, 1978
    Assignee: Mefina S.A.
    Inventor: Marcel Fresard
  • Patent number: 4114548
    Abstract: A sewing machine includes a base extension which serves as both a work-supporting surface and a receptacle containing machine accessories therein. The base extension is so hinged to the machine that even when the machine is converted into a cylindrical bed type a sufficient space may be provided between the underside of the cylindrical bed and the upper surface of the rested base extension.
    Type: Grant
    Filed: June 20, 1977
    Date of Patent: September 19, 1978
    Assignee: Aisin Seiki Company, Limited
    Inventors: Takahiko Kasahara, Shigeharu Shichi, Hideo Banno, Senji Suito, Masayuki Kato
  • Patent number: 4099474
    Abstract: A sewing machine convertible between flat bed and cylinder bed configurations and adapted to be mounted in cabinets of conventional design. The machine includes a base cabinet arranged to alternately support a lower cylinder arm flush with a cabinet top for flat work and at an elevated position above the cabinet top for tubular work. An auxiliary work supporting surface for flat work is responsive to relative movement between the machine frame and the support base such that it automatically retracts or extends during positioning of the machine frame between its flat bed and free arm operational positions. Counterbalancing means is provided to reduce manual effort of raising or lowering the machine between operational positions.
    Type: Grant
    Filed: December 6, 1976
    Date of Patent: July 11, 1978
    Assignee: White Sewing Machine Company
    Inventors: Sidney J. Hamlett, Charles M. Bell
  • Patent number: 4080913
    Abstract: A bed in a sewing machine having a fixed free arm and auxiliary bed plate means pivotally supported on the free arm between a retracted position to provide minimum girth around the free arm and an extended position which augments the work supporting area of the free arm. Releasable locking means maintain the auxiliary bed means in either of its positions and biasing means urges the auxiliary bed means from the retracted position towards the extended position.
    Type: Grant
    Filed: February 2, 1977
    Date of Patent: March 28, 1978
    Assignee: White Sewing Machine Company
    Inventors: Joseph M. Arendash, Yuji Okui
  • Patent number: 4079684
    Abstract: A chain stitch sewing machine is operated by two substantially parallel and horizontal levers, one of which is medially pivoted in the head and the other in the base. The levers are connected together by a link and actuated by a crank directly connected to the upper lever. The upper lever, which is slidable along its fulcrum to accommodate the throw of the crank, actuates the needle bar. The lower lever actuates a swingable hook by means of a cam secured to the hook and pivoted therewith in the base. A feed dog supported for vertical and horizontal movement in the base has a camming portion interposed between the cam and hook and which is also actuatable by the lower lever and by the cam.In a modification, the upper lever, which is of the first class, does not slide along its fulcrum axis. The actuating arm of the lever is laterally flexible, in a direction parallel to the fulcrum axis, but rigid in a plane perpendicular to such axis, and at its free end is directly pivoted to the crank.
    Type: Grant
    Filed: November 15, 1976
    Date of Patent: March 21, 1978
    Assignee: Western Stamping Corporation
    Inventor: James E. Thomson
  • Patent number: 4077339
    Abstract: A sewing machine having a cartridge containing a spool of thread and a pre-threaded needle mounted inside of the head, the cartridge having the lower end thereof terminating in proximity to the fabric to be worked upon. The cartridge is provided with integral means for receiving a spool carrying ribbon-like material, the cartridge having a channel means integral therewith adjacent the aperture of the cartridge through which the needle passes, the spool of ribbon being so mounted, and the channel so configured, that the natural unwinding tendency of the ribbon automatically positions the ribbon on the fabric in the path of the needle.
    Type: Grant
    Filed: January 21, 1977
    Date of Patent: March 7, 1978
    Assignee: Mattel, Inc.
    Inventors: Sidney Bass, Herbert May, Hubert Allen Rich
  • Patent number: 4064818
    Abstract: A sewing machine having a U-shaped base one portion of which defines a unitary tubular element within which the lower stitching instrumentalities and the driving members therefor are housed. The unitary tubular element is formed so as to prevent any possible leakage of lubricant therefrom and includes guides for the feed dog support bars which are externally accessible for the purpose of locating the support bars in their most advantageous operating position as well as to permit simplified replacement thereof.
    Type: Grant
    Filed: August 20, 1976
    Date of Patent: December 27, 1977
    Assignee: Rockwell-Rimoldi S.p.A.
    Inventor: Nerino Marforio
  • Patent number: 4059062
    Abstract: A sewing machine of the cantilever type designed so as to be compact, of light-weight, exceptionally functional and of attractive appearance, while at the same time incorporating other significant practical advantages. The inventive sewing machine comprises a closely complementary-shaped fitted case of the "attache case" type, facilitating on the one hand the convenient conveyance of the machine and on the other hand, the removal thereof, when not utilized, with a minimum extent of bulk. During utilization of the machine, the case may be fastened by pivotal motion to a cantilevered or free arm of the machine so as to form a large-dimensioned worktable.
    Type: Grant
    Filed: December 2, 1975
    Date of Patent: November 22, 1977
    Inventor: Georges Drevet
  • Patent number: 4058072
    Abstract: An extension table for attachment to a sewing machine head of the portable type for enlarging the somewhat limited working area provided by flat upper surface of the bed in which the bobbin mechanism is housed under the needle and presser foot wherein the table is pivotally mounted on a support structure associated with the machine in such manner as to enable it to be shifted between a vertical position along one side of the machine for storage with the latter within a case, and a horizontal working position co-planar with the upper surface of the bed. The table has an elongated L-shaped configuration and is mounted on the supporting structure in such manner that when in its horizontal working position the short and long sides thereof respectively lie adjacent the end and side walls of the machine bed.
    Type: Grant
    Filed: November 16, 1976
    Date of Patent: November 15, 1977
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Hitoshi Ishikawa, Kimihiko Yamamoto, Toshio Sawada, Takahiko Kasahara
  • Patent number: 4058073
    Abstract: A compact and lightweight case for a portable sewing machine has a hollow rectangular base which receives and is secured to the bed of a sewing machine and a cover which rests on the base and surrounds those parts of the machine which extend above the bed. One of such parts has a handle which extends outwardly through an opening in the top wall of the cover so that the case can be lifted through the medium of the sewing machine by lifting the machine by way of the handle.
    Type: Grant
    Filed: September 24, 1976
    Date of Patent: November 15, 1977
    Assignee: Janome Sewing Machine Co. Ltd.
    Inventors: Susumu Hanyu, Takashi Amano
  • Patent number: 4058070
    Abstract: There is disclosed herein an improved see-through sewing gauge comprising a gauge means for controlling the depth of a stitch during a sewing operation and having a window portion disposed therein adapted to cooperate with an opening provided in an associated throat plate so as to enable an operator to continuously monitor the condition of the bobbin thread supply disposed below said gauge. The gauge and window combination is movably secured to the throat plate of the sewing machine in such a manner as to be easily adjustable thereby enabling an operator to conveniently set the gauge to any desired depth of stitch.
    Type: Grant
    Filed: September 7, 1976
    Date of Patent: November 15, 1977
    Inventor: Edna Jones
  • Patent number: 4055131
    Abstract: An electronic control arrangement for a sewing machine with a frame having access openings at the top and bottom thereof and supporting therein functional mechanical and electromechanical and electrical sewing machine components. The electronic control arrangement includes a control panel disposed over a portion of the top access opening and interconnected with printed circuit boards having electronic components thereon for regulation of the electromechanical sewing machine components, the entire arrangement being organized to be removable as a whole for replacement or substitution from the top access opening. Means are provided accessible from the bottom access opening to removably support the control arrangement at the bottom thereof and provide a heat sink therefor.
    Type: Grant
    Filed: March 26, 1976
    Date of Patent: October 25, 1977
    Assignee: The Singer Company
    Inventors: James Eugene O'Brien, Edward Walter Ostapczuk
  • Patent number: 4040369
    Abstract: A sewing machine head having a tubular or free-arm type bed extending from the upstanding column and overhanging the base plate of the machine head and also having a front and a rear auxiliary bed each pivotally secured to the base plate along the front or rear edge thereof. When swung up, the auxiliary beds form a flat work-supporting table of extended area in cooperation with the tubular bed. With such bed structure, convertion between the free-arm type and flat-table type bed settings can be effected with extreme ease and efficiency. The auxiliary beds can also be utilized as a case for storing bobbins, needles, screw drivers, etc., eliminating the need for any separate storing cases.
    Type: Grant
    Filed: September 27, 1976
    Date of Patent: August 9, 1977
    Assignee: Happy Sewing Machine Manufacturing Company
    Inventor: Yukio Kaito
  • Patent number: 4040368
    Abstract: A closure cover for the opening in the base of a sewing machine which provides access to the thread control members for the lower hook. The cover is carried on a rod which is vertically slidable and rotatably carried in the base and includes a combined spring biased locking and release arrangement the first of which maintains the cover in operating position on the base, and the second which releases the cover. Upon release the cover is automatically raised by a spring member and can be pivoted to a position to facilitate access to the members within the opening.
    Type: Grant
    Filed: August 20, 1976
    Date of Patent: August 9, 1977
    Inventor: Nerino Marforio
  • Patent number: 4037549
    Abstract: A compact and lightweight case for a portable sewing machine has a hollow rectangular base which receives and is secured to the bed of a sewing machine and a cover which rests on the base and surrounds those parts of the machine which extend above the bed. One of such parts has a handle which extends outwardly through an opening in the top wall of the cover so that the case can be lifted through the medium of the sewing machine by lifting the machine by way of the handle.
    Type: Grant
    Filed: September 4, 1975
    Date of Patent: July 26, 1977
    Assignee: Janome Sewing Machine Co.
    Inventors: Susumu Hanyu, Takashi Amano
  • Patent number: 4036158
    Abstract: A sewing machine has an upper arm and a lower free arm carried by a column and two longitudinal supports disposed on either side of the free arm and connected to the base of the column. At least one of the supports is slidable laterally outwards from a position closing off the free arm to a position allowing access to the free arm under the action of a biasing spring, but is retained in the withdrawn position by a catch cooperating with an abutment on a transverse guide rod fixed on the support.
    Type: Grant
    Filed: May 10, 1976
    Date of Patent: July 19, 1977
    Assignee: Mefina S.A.
    Inventors: Marcel Fresard, Olindo Baruffa, Jean-Pierre Gabriel
  • Patent number: 4034691
    Abstract: A sewing machine comprising a frame, including a base, a free lower arm having a work supporting surface, a base plate, and a sub-table device for converting the sewing machine from a free arm type to a flat bed type and vice versa.
    Type: Grant
    Filed: February 18, 1976
    Date of Patent: July 12, 1977
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Tosio Sasaki
  • Patent number: 4009671
    Abstract: A convertible sewing machine bed which includes a base having a longitudinally extending cylinder bed and a spring biased work supporting panel that is movable in one direction with respect to the arm and simultaneously shiftable in another direction with respect to the cylinder bed. The shifting movement is effected by the camming action of a single latch detent being moved into and out of a latch seat. The single latch detent and the latch seat, when in engaging relation, also serve to hold the support member in a work supporting position contiguous to the cylinder bed.
    Type: Grant
    Filed: March 30, 1976
    Date of Patent: March 1, 1977
    Assignee: The Singer Company
    Inventors: Hilmar Wittler, Adolf Martin
  • Patent number: 4009670
    Abstract: In a rotary hook, lockstitch, stationary bobbin case sewing machine, a bobbin is mounted on a bobbin ejector carried on the center post of an open ended bobbin case. A thread tensioner is attached to the outside of the bobbin case. Illumination is provided and the thread supply can be viewed at any time through a magnifying window and the exposed flange of the bobbin. Release of a latch on the center post permits removal and replacement of the bobbin without detaching any other part.
    Type: Grant
    Filed: November 24, 1975
    Date of Patent: March 1, 1977
    Inventor: Beatty Thomas Mitchell
  • Patent number: 4004528
    Abstract: A heat sink arrangement for a circuit board in a sewing machine which supports the circuit board for ready disassembly therefrom, and makes use of the sewing machine frame as an additional heat sink. The circuit board is riveted to an aluminum heat sink member which carrys the power transistors in a manner to provide good thermal conductivity thereto but electrically isolated therefrom by mica laminae. An aluminum bracket firmly affixed to the sewing machine frame for good thermal conductivity has a large area planar surface thereof contiguous a similar large area planar surface of the heat sink member. A clamp member which extends through a slot in the bracket has a pair of upstanding arms with reentrant angles which touch the surface of the heat sink member opposite the large planar surface. The surface of the bracket opposite the large planar surface is formed with a cylindrical surface at an angle to coact with a cone pointed screw carried by the clamp member.
    Type: Grant
    Filed: March 26, 1976
    Date of Patent: January 25, 1977
    Assignee: The Singer Company
    Inventors: Kenneth Douglas Adams, Edward Walter Ostapczuk
  • Patent number: 3995573
    Abstract: A sewing machine in which the portion of the bed plate disposed forwardly of the needle or operating area is inclined downwardly. This perceptually brings the needle closer to the operator and provides improved visibility of the working area.
    Type: Grant
    Filed: February 17, 1976
    Date of Patent: December 7, 1976
    Assignee: Maruzen Sewing Machine Co., Ltd.
    Inventors: Teiichi Nishigami, Toshiyuki Hayashi
  • Patent number: 3990375
    Abstract: This disclosure relates to spool holders for supporting a spool of thread on a sewing machine and particularly relates to a detachable spool holder having spaced depending leg-like portions formed of resilient material for insertion into associated spaced apertures in the cover of the sewing machine so that the spool holder may be readily assembled onto the sewing machine frame and held in relatively tight fitting relationship therein while giving the appearance of a unitary structure.
    Type: Grant
    Filed: November 7, 1975
    Date of Patent: November 9, 1976
    Assignee: The Singer Company
    Inventor: Kenneth D. Adams
  • Patent number: 3957002
    Abstract: A prepainted sheet metal bed cover attachable to a top portion of a sewing machine bed casting having a minimum of machining on an upper surface thereof. The bed cover rests on a machined raised peripheral rim on the upper surface, and is additionally supported on resilient non-metallic material deposited on pads interspersed on the upper surface which are machined to a level below the raised peripheral rim to accommodate the non-metallic material between the bed cover and the pads. The cover is firmly fixed to the top portion of the bed casting by a skirt portion of the prepainted bed cover which extends about the periphery of the top portion, and is swedged beneath the top portion of the bed casting to form a unitary assembly therewith.
    Type: Grant
    Filed: September 29, 1975
    Date of Patent: May 18, 1976
    Assignee: The Singer Company
    Inventor: Giancarlo Della Torre
  • Patent number: 3955518
    Abstract: This disclosure relates to the combination of a sewing machine and a work table wherein the sewing machine is supported in the work table for movement between a sewing position and a tilted position, a drive motor supported remote from the driven mechanism of the machine and an idler pulley supported intermediate the drive motor and the machine with the idler pulley drivingly connecting the machine with the drive motor by means of drive belts, and the idler pulley being supported for movement with the sewing machine during tilting thereof in a manner whereby the tension in the drive belts is relieved during tilting of the sewing machine and tension is restored during return movement of the sewing machine to the sewing position.
    Type: Grant
    Filed: August 11, 1975
    Date of Patent: May 11, 1976
    Assignee: The Singer Company
    Inventor: Santi Riccardo Giocolano
  • Patent number: RE28835
    Abstract: A work cabinet, for mounting a sewing machine in different work positions and for housing the machine when not being worked, provides a drop shelf interiorly of the cabinet below the top working surface thereof for lowering the machine into the interior of the cabinet. The drop shelf carries a mount for the machine, by means of linkage which permits raising and lowering of the machine to different work positions. Pivotally fulcrumed on the drop shelf is a lever having a work arm and a power-input arm, the former underlying the machine mount so as to raise and lower the sewing machine when power, usually manual, is applied to the latter. The cabinet is well adapted to open-arm types of sewing machines, and is provided with a removable insert for its apertured top wall as an extender for the limited work surface of such top wall in the work positions of the machine.
    Type: Grant
    Filed: August 15, 1975
    Date of Patent: June 1, 1976
    Assignee: Roberts Mfg., Inc.
    Inventors: Kent S. Roberts, Stanley D. Roberts