Yarn Guides Patents (Class 66/214)
  • Patent number: 11128932
    Abstract: A video distribution system in one embodiment includes a distribution server configured to live distribute a video that contains an animation of a character object generated based on actor's motions to a first client device used by a first user, a first display device disposed at a position viewable by the actor and displaying the video, and a supporter computer causing first additional information to be displayed in the video displayed on the first display device based on a first operation input while causing the first additional information to be undisplayed on the first client device.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: September 21, 2021
    Assignee: GREE, INC.
    Inventors: Masashi Watanabe, Yasunori Kurita
  • Publication number: 20110167876
    Abstract: A jacquard thread-guide bar (2) for warp knitting textile machines, comprising a supporting body (7) provided with a plurality of housing seats (5) configured and arranged so as to engage each removably a mounting body (6) of a single piezoelectric actuator (3) and to carry out an individual removable mounting of the single piezoelectric actuator (3) onto said supporting body (7), the housing seats (5) extending perpendicularly to the main longitudinal extension of the bar (2) and being configured and arranged so as to guide the sliding of the mounting body (6) between a mounting position and a disengaged position.
    Type: Application
    Filed: March 23, 2011
    Publication date: July 14, 2011
    Applicant: SANTONI S.P.A.
    Inventor: Tiberio LONATI
  • Publication number: 20100229605
    Abstract: A knitted tulle is disclosed, the tulle comprising a plurality of wales, each with a pillar stitch and at least two pairs of weft threads, each pair of weft threads interconnecting and tying-in at least four wales. Also disclosed is a method of knitting the tulle, preferably using a Raschel machine and an embroidered fabric comprising the tulle. The tulle according to the invention is robust and even and has properties similar to bobbinet tulle.
    Type: Application
    Filed: September 26, 2008
    Publication date: September 16, 2010
    Applicant: HEATHCOAT FABRICS LIMITED
    Inventor: George Keitch
  • Publication number: 20100126232
    Abstract: A jacquard thread-guide bar (2) for warp knitting textile machines, comprising a supporting body (7) pro vided with a plurality of housing seats (5) configured and arranged so as to engage each removably a mounting body (6) of a single piezoelectric actuator (3) and to carry out an individual removable mounting of the single piezoelectric actuator (3) onto said supporting body (7), the housing seats (5) extending perpendicularly to the main longitudinal extension of the bar (2) and being configured and arranged so as to guide the sliding of the mounting body (6) between a mounting position and a disengaged position.
    Type: Application
    Filed: November 25, 2009
    Publication date: May 27, 2010
    Applicant: SANTONI S.P.A.
    Inventor: Tiberio LONATI
  • Patent number: 7574877
    Abstract: A procedure for manufacturing ladderproof fabrics on a warp knitting machine (1) comprising stitch-forming members (4) and at least one guide bar (2), with a plurality of guides (2a) for guiding a plurality of yarns (10) towards the stitch-forming members (4), wherein each of the guides (2a) belonging to at least one of the guide bars (2) guides a plurality of yarns (10).
    Type: Grant
    Filed: July 21, 2008
    Date of Patent: August 18, 2009
    Assignee: Carvico S.p.A.
    Inventor: Laura Calissoni
  • Publication number: 20090193853
    Abstract: A procedure for manufacturing ladderproof fabrics on a warp knitting machine (1) comprising stitch-forming members (4) and at least one guide bar (2), with a plurality of guides (2a) for guiding a plurality of yarns (10) towards the stitch-forming members (4), wherein each of the guides (2a) belonging to at least one of the guide bars (2) guides a plurality of yarns (10).
    Type: Application
    Filed: July 21, 2008
    Publication date: August 6, 2009
    Applicant: CARVICO S.p.A
    Inventor: Laura CALISSONI
  • Patent number: 6840067
    Abstract: A knitted netting includes longitudinal polyolefin ribbons and lateral polyolefin ribbons knitted with the longitudinal polyolefin ribbons to form knitted netting. The lateral polyolefin ribbons of the knitted netting have an actual shuss length more than 110% of a calculated shuss length for the knitted netting. The actual shuss length being in excess of 110% of the calculated shuss length for the knitted netting prevents transverse shrinkage of the netting.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: January 11, 2005
    Assignee: Tama Plastic Industry
    Inventors: Nissim Mass, Yuval Lieber
  • Patent number: 6009729
    Abstract: A process can form an arrangement for a warp knitting or circular knitting machine with (a) a single hardenable retaining material, (b) a plurality of thread processing elements having proximal ends, and (c) a carrier having a face with a groove. The process includes the step of introducing the hardenable retaining material before it is hardened into the groove of the carrier. The process also includes the step of holding the thread processing elements in a single plane. Another step is introducing the proximal ends of the thread processing elements into the non-hardened retaining material, keeping the thread processing elements in a single plane with even separation while protruding from the face of the carrier. The process also includes the step of waiting for hardening of said retaining material, wherein the proximal ends are embedded in the carrier.
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: January 4, 2000
    Assignee: Karl Mayer Textilmachinenfabrik GmbH
    Inventor: Josef Halassek
  • Patent number: 5878599
    Abstract: An arrangement for a warp knitting or circular knitting machine, includes a carrier having a face with a groove. Also included is an evenly spaced plurality of thread processing elements lying in a single plane and protruding from the face of the carrier. A hardenable filling material is located in the groove in the face of the carrier. The thread processing elements have proximal ends embedded into this hardenable filling material in the groove of the face of the carrier.
    Type: Grant
    Filed: May 1, 1997
    Date of Patent: March 9, 1999
    Assignee: Karl Mayer Textilmachinenfabrik GmbH
    Inventor: Josef Halassek
  • Patent number: 5875654
    Abstract: A stroke control arrangement (1) for influencing individual threads of a thread sheet, in particular for a warp knitting machine, comprises entrainment devices (20) controllable by piezoelectric transducers (19). The entrainment devices (20) are provided adjacent to the transducers (19) in the transverse direction and are born at one end thereof in a portion (25) supported by a carrier (16) and carry at the other end thereof a transport stop (37). The transport stop (37) in a first position carries a stroke element, which in a second position of the transport stop (37), to the contrary, is left uninfluenced. In this way there is obtained a reliable system for stroke control.
    Type: Grant
    Filed: December 5, 1997
    Date of Patent: March 2, 1999
    Assignee: Karl Mayer Textilmachinenfabrik GmbH
    Inventors: Kresimir Mista, Joachim Fischer
  • Patent number: 5768916
    Abstract: A warp knitting machine with at least one knitting needle bar and with at least one guide bar (46) lapping in lengthwise direction with thread guides for the feeding of threads. Incorporated into the guide bar is at least one auxiliary guide bar (72) lapping back and forth in the lengthwise direction of the guide bar with at least one auxiliary thread guide (76), which are driven relatively to one another. This allows for the arrangement of an auxiliary thread guide in an especially simple and space-saving manner.
    Type: Grant
    Filed: October 3, 1996
    Date of Patent: June 23, 1998
    Assignee: Textilma AG
    Inventor: Silvan Borer
  • Patent number: 5669248
    Abstract: Textile machine in particular a warp knitting machine having attached, side-by-side, on a carrier (1), stroke elements (2) which grip on the threads, which are individually displayable in the longitudinal direction. To the carrier (1), are provided control element (21) which are electrically activatable and can be brought into two positions. A common activating arrangement (8) which runs along the length of the carrier (1) and is driveable to and fro in the stroke direction, influences the stroke element (2) in the first position of the appropriate control element (21) in the at-rest position and carries it with it in its second position in a working mode. In this manner it is possible to control the individual stroke elements without the need for harness cords.
    Type: Grant
    Filed: March 12, 1996
    Date of Patent: September 23, 1997
    Assignee: Karl Mayer Textilmachinenfabrik GmbH
    Inventors: Kresimir Mista, Joachim Fischer
  • Patent number: 5660062
    Abstract: The invention is directed to a process and a device for the production of textile net-like fabrics by various bonding processes, e.g., the warp knitting process or stitch bonding process. Based on the object of the invention--to provide a process and a device for carrying out the process by various bonding processes, e.g.
    Type: Grant
    Filed: September 5, 1995
    Date of Patent: August 26, 1997
    Assignee: Textilma AG
    Inventors: Olaf Diestel, Gerd Franzke, Peter Offermann, Wolfram Schinkoreit
  • Patent number: 5390513
    Abstract: Warp knitting machine with a guide bar executing an oscillation movement and a base shift movement. Single thread guides are mounted thereon and are individually movable in a to- and fro- motion in the shift direction and are combineable into one or more groups and are group-wise adjustable by electrically controlled control motors under the influence of a program control having a pattern shift movement stored therein. Each of the control motors is connected to the thread guides of at least one group by a pull control cable held under tension which extends over the length of the guide bar and is further connected to the thread guides such that all thread guides of any one group execute the same pattern shift movement. The control motors are structurally supported independent from the guide bar. The pull control cables are guided from the guide bar at right angles and then deflected toward said motors.
    Type: Grant
    Filed: February 10, 1994
    Date of Patent: February 21, 1995
    Assignee: LIBA Maschinenfabrik GmbH
    Inventors: Adolf Hagel, Jurgen Lammerhirt
  • Patent number: 4995246
    Abstract: A warp knitting machine has guide holders, holding arms, and a guide bar assembly. The assembly includes a guide bar made of reinforced synthetic polymeric materials. This guide bar has along substantially its entire length a substantially hollow profile. The guide bar has surrounding walls substantially enclosing the hollow profile. The guide bar includes a first and second segment. The first fastening segment is adapted to be attached to the holding arm. The second fastening segment is adapted to support the guide holders.
    Type: Grant
    Filed: November 27, 1989
    Date of Patent: February 26, 1991
    Assignee: Karl Mayer Testilmaschinenfabrik GmbH
    Inventor: Ferdinand Reich
  • Patent number: 4835989
    Abstract: A method and apparatus is disclosed for laying a drawthread into a machine knitted fabric. Before it is laid the drawthread is carried from between one side and another of the yarns which are being knitted to form the fabric by a component which passes between yarn guides of the machine. The component may be permanently located between the yarn guides or may pass between the yarn guides and out again between two stitch forming cycles of the machine. On both sides the drawthread is positioned by the said component clear of the area where stitches are formed so that it is not knitted into the fabric.
    Type: Grant
    Filed: July 5, 1988
    Date of Patent: June 6, 1989
    Inventors: John H. Hall, Robert N. Watson
  • Patent number: 4745781
    Abstract: The invention concerns an assembly of sets of tightly adjacent eye needles (12) for filling-yarn knitting machinery. One set each of eye needles (12) is anchored by injection-molding in supports (8,9) at mutually equidistant positions, the needles being mutually parallel by their main planes. Two supports (8,9) each with a set of eye needles (12) form one segment of eye needles. The heads (22) of the eye needles (12) of the first set (24) of needles alternatingly enter centrally between every two heads of the eye needles of the second set (25) of needles. The two sets of needles are fixed within the segments and are oblique in such a manner that a conceptual plane from one of the sets (24) of needles (plane (5) of the set) extending along the eye needles and through the heads of this set of needles intersects the plane (5') of the set of the other needle-set (25) in the region of the heads.
    Type: Grant
    Filed: June 26, 1987
    Date of Patent: May 24, 1988
    Assignees: Johann Berger, Josef Berger
    Inventors: Fritz Schuelein, Johann Berger, Josef Berger
  • Patent number: 4708003
    Abstract: Crochet tools for producing bands on a crochet galloon machine. For the production of thin bands on ten or more crochet needles (10, 10') per centimeter of width, the stems of the crochet needles (10,10') are clamped over more than half the length of the needle. A knocking-over bar (20) fastened to the machine has a free straight edge (66) which adjoins closely but without play those parts of the crochet needles (10,10') which project out of the clamp device. The crochet needles are clamped with adequate security against lateral bending. There is no friction between the crochet needles at the knocking-over bar (20). The crochet needles can be clamped in groups, so that they stiffen one another. For the feeding of elastic threads use is made of combs (6) which are displaced laterally to-and-fro relative to the crochet needles in the working rhythm, but which are disposed at a uniform height relative to the crochet needles.
    Type: Grant
    Filed: February 6, 1986
    Date of Patent: November 24, 1987
    Inventors: Josef Berger, Johann Berger
  • Patent number: 4698986
    Abstract: An improved warp knitting machine employing compound needles and an interconnected trick-sinker mechanism which maintains a fixed relationship with the knitting needles and tends to hold the knitted fabric in line with the back guide bar to lessen the stress on the knitting needles. Each of the guide bars include a hollow guide tube to guide the warp yarn to a point closely adjacent the top of the knitting needle to reduce the necessary vertical stroke of the knitting needles.
    Type: Grant
    Filed: December 22, 1986
    Date of Patent: October 13, 1987
    Assignee: Milliken Research Corporation
    Inventor: Bascum G. Lesley
  • Patent number: 4683727
    Abstract: Thread guide rail for crochet galloon machines exhibiting a rectangular cross section 2 on the major base of which is obtained an inclined flat 3 provided with a longitudinal groove 4 extending over the whole length of the rail. The rail, on the surface opposite said inclined flat, comprises two series of opposite transverse grooves 7a, 8a disposed in alignment with each other and between which a central recessed portion 9 is defined which extends longitudinally over the whole length of the rail. The rail can be associated with a number of thread guide elements 10, exhibiting each a rectilinear portion 12 adapted to engage into two aligned transverse grooves, followed by a U-shaped portion 11 engageable on either side of the rail through the engagement of a fitting projection 14 provided thereon, into the longitudinal groove 14. Seen in section the transverse grooves exhibit a profile adapted to mate with that of the corresponding section of the rectilinear portion.
    Type: Grant
    Filed: December 3, 1986
    Date of Patent: August 4, 1987
    Assignee: Comez S.p.A.
    Inventor: Luigi Omodeo Zorini
  • Patent number: 4674302
    Abstract: An improved warp knitting machine employing compound needles and an interconnected trick-sinker mechanism which maintains a fixed relationship with the knitting needles and tends to hold the knitted fabric in line with the back guide bar to lessen the stress on the knitting needles. Each of the guide bars include a hollow guide tube to guide the warp yarn to a point closely adjacent the top of the knitting needle to reduce the necessary vertical stroke of the knitting needles.
    Type: Grant
    Filed: June 8, 1981
    Date of Patent: June 23, 1987
    Assignee: Milliken Research Corporation
    Inventor: Bascum G. Lesley
  • Patent number: 4665717
    Abstract: A latch needle for a Raschel machine having a branch stem branched from a portion are side of the stem below the latch so as to extend downward substantially in parallel to the lateral side of the stem, and having a thickness greater than that of the stem.
    Type: Grant
    Filed: February 26, 1986
    Date of Patent: May 19, 1987
    Assignee: Nakagawa Seisakusho Co., Ltd.
    Inventor: Kurokawa Atsushi
  • Patent number: 4603561
    Abstract: Crochet tools for producing bands on a crochet galloon machine. For the production of thin bands on ten or more crochet needles (10, 10') per centimeter of width, the stems of the crochet needles (10,10') are clamped over more than half the length of the needle. A knocking-over bar (20) fastened to the machine has a free straight edge (66) which adjoins closely but without play those parts of the crochet needles (10,10') which project out of the clamp device. The crochet needles are clamped with adequate security against lateral bending. There is no friction between the crochet needles at the knocking-over bar (20). The crochet needles can be clamped in groups, so that they stiffen one another. For the feeding of elastic threads use is made of combs (6) which are displaced laterally to-and-fro relative to the crochet needles in the working rhythm, but which are disposed at a uniform height relative to the crochet needles.
    Type: Grant
    Filed: December 9, 1983
    Date of Patent: August 5, 1986
    Inventors: Josef Berger, Johann Berger
  • Patent number: 4574716
    Abstract: A modular construction of needle bars wherein each of the modular units thereof comprises a mounting bracket having a first flange portion and a second flange portion arranged at right angles to each other and wherein a plurality of tufting needles each having a shank portion and an opposing tapered end having a transversely arranged yarn receiving eye therein are secured to the first flange by the shank portions of the needles being soldered thereto so that the needles are in uniformly spaced apart parallel relation with the eyes of the needles in alignment with each other.
    Type: Grant
    Filed: December 4, 1984
    Date of Patent: March 11, 1986
    Assignee: Fieldcrest Mills, Inc.
    Inventor: Paul A. Czelusniak, Jr.
  • Patent number: 4571956
    Abstract: There is provided a warp knitting machine having needles and warp thread guides. A weft thread magazine has forwarding chains for providing the weft thread. Weft thread insertors bring the weft thread to the outtake side of the needles. At the upper dead point of the needles the weft threads are located in an inlay space between the outtake side of the needles and the innermost warp thread extending from the thread guides. Several of the innermost thread guides are provided with a rearwardly directed protrusion which, during the forwardly directed through-swing of the thread guides substantially closes off the inlay space at the upper dead point of the needles. This system reduces substantially the number of weft thread errors.
    Type: Grant
    Filed: July 3, 1985
    Date of Patent: February 25, 1986
    Assignee: Karl Mayer Textilmaschinenfabrik GmbH
    Inventor: Hans Fiedler
  • Patent number: 4570462
    Abstract: A warp knitting machine has a plurality of needles and a Jacquard guide bar having at least one pair of stopping surfaces. The machine also has a plurality of Jacquard-controlled guides each having a displaceable forward end and each having a rearward end attached to the Jacquard guide bar. The pair of stopping surfaces spaced and positioned to straddle a given one of the Jacquard-controlled guides. The machine also has at least one displacement member for reciprocating the given one of the Jacquard-controlled guides against the pair of stopping surfaces a distance of about one neddle space. The stopping surfaces straddle the given one of the Jacquard-controlled guide at a position between its forward end and its point of contact with the displacement member.
    Type: Grant
    Filed: June 8, 1984
    Date of Patent: February 18, 1986
    Assignee: Karl Mayer Textilmaschinenfabrik GmbH
    Inventor: Josef Roth
  • Patent number: 4554804
    Abstract: The invention relates to an apparatus and a method for the production of textile surface configurations. The invention is on chain stitching or needle stitching machines for the production of clothing, decorative and household textiles, as well as for technical textiles. The object of the invention is achieved in that a flat guiding element has a contact edge on the side facing the fleece to be bound, and has at least one guiding hole or an eyelet or the kind for the guidance of the thread. The guiding element is movable and can have different shapes.
    Type: Grant
    Filed: January 5, 1983
    Date of Patent: November 26, 1985
    Assignee: VEB Kombinat Textima
    Inventors: Siegfrid Ploch, Sonja Rossler, Peter Zeisberg, Horst Heilmann
  • Patent number: 4549414
    Abstract: The invention particularly relates to an improved knitting machine to produce figured fabrics.The knitting machine has high working capacity and is capable of producing various patterned and colored fabrics.
    Type: Grant
    Filed: August 15, 1983
    Date of Patent: October 29, 1985
    Assignee: Comez S.p.A.
    Inventors: Luigi O. Zorini, Walter Zorzoli
  • Patent number: 4449381
    Abstract: A warp knitting machine with Jacquard attachment including two knitting needles situated side-by-side, to which there are allocated two eye-pointed needles and only one urging feeder pin. Typically, the eye-pointed needles allocated to, respectively, two knitting needles can be displaced jointly by the urging feeder pin allocated to the two eye-pointed needles.
    Type: Grant
    Filed: February 17, 1982
    Date of Patent: May 22, 1984
    Assignees: Morton Jablin, Johann Winter
    Inventor: Karl Kohl
  • Patent number: 4417456
    Abstract: A warp knitting machine has a needle bed and a jacquard arrangement for producing patterned wear from a plurality of threads. The machine includes a thread positioning bar and a plurality of thread positioning sinkers mounted on the thread positioning bar. The sinkers are spaced to allow the sinkers to pass between the needles of the bed. The machine also includes at least one guide bar and a plurality of thread guides mounted on each guide bar for separately guiding the threads. The thread guides are operable by the jacquard arrangement to move longitudinally relative to said guide bar and with a component of motion in a plane alongside the needle bed. This component is sized to allow each of the threads to reciprocate between and be pulled against the interior sides of a corresponding, neighboring pair of the sinkers.
    Type: Grant
    Filed: June 22, 1981
    Date of Patent: November 29, 1983
    Inventors: Gerhard Bergmann, Erhard Henz
  • Patent number: 4416205
    Abstract: Apparatus for producing tufted carpet by precutting yarn into individual tufts, and pressing the tufts into an adhesive coating on a backing material. Individual yarns are selectably clamped on a sliding bed, and the sliding bed is moved forwardly to a tufting position. Forward movement of the bed withdraws the yarns and cuts the withdrawn yarns to desired length. The yarns are then unclamped, and a tufting bar passes through aligned secondary and primary tufting slots to press the cut yarns against the backing material. The yarns are supplied through a yarn pattern head having a number of yarn bars individually and selectably positionable to vary the tufting pattern in any predetermined manner.
    Type: Grant
    Filed: June 21, 1982
    Date of Patent: November 22, 1983
    Inventor: Jack M. Schwartz
  • Patent number: 4331009
    Abstract: The jacquard attachment is provided with a guide means having slot-like eyes for guiding the jacquard yarns and a comb above the guide means for reciprocating in the shogging direction to engage selected ones of the jacquard control yarns for movement sideways in the eyes. The eyes are of a width equal to one or more needle spacings to allow movement of the yarns therein.
    Type: Grant
    Filed: June 6, 1980
    Date of Patent: May 25, 1982
    Assignee: Sulzer Brothers Ltd.
    Inventor: Karl Kohl
  • Patent number: 4285217
    Abstract: A steering system for controlling the operation of a warp knitting machine performing the function of a conventional jacquard mechanism includes an electromechanical mechanism to maintain the steering element in one of its two possible terminal positions. The system includes a steering mechanism disposed generally above and in relatively close proximity to the guidebar drive levers of the knitting machine and is operably coupled to a plurality of steering elements which are disposed proximate the guides of the machine. Activation of the electromechanical device coupled to a predetermined programming device causes the steering elements to be maintained in one of its two stable conditions which may be synchronized with the source of machine driving power.
    Type: Grant
    Filed: January 31, 1980
    Date of Patent: August 25, 1981
    Assignee: Karl Mayer Textilmaschinenfabrik GmbH
    Inventors: Kresimir Mista, Hans-Jurgen Hohne
  • Patent number: 4137734
    Abstract: There are provided jacquard controlled warp knitting machines equipped with yarn guide units having yarn guides wherein the heads of said yarn guide members are so oriented that, when uninfluenced by the jacquard dropper pins, two or more yarn guide member heads may pass between any predetermined pair of needles on the needle bar of the machine.
    Type: Grant
    Filed: May 10, 1977
    Date of Patent: February 6, 1979
    Assignee: Karl Mayer Textilmaschinenfabrik GmbH
    Inventor: Karl Kohl
  • Patent number: 4092838
    Abstract: The present yarn guide tubes are fixed on one face of profile plates which are in turn carried on a support bar operated from the carrier rods of the knitting machine. The centers of the yarn guide tubes are spaced the same distance as the spacing of the needles and the free ends are sufficiently spaced apart to at times to permit the needles to pass therebetween. Selective positions on the support bar, or the entire support bar, may be provided with the profile plates and inlay yarns are fed through the selected tubes where it is desired to produce zig-zag striping, diamonds and various other motifs in the knit fabric.
    Type: Grant
    Filed: July 22, 1977
    Date of Patent: June 6, 1978
    Assignee: Joan Manufacturing Corporation
    Inventor: Robert J. Gangi
  • Patent number: 4051698
    Abstract: A guide bar assembly for use in a warp knitting machine in which a plurality of ferromagnetic, tubular yarn carrier elements are disposed between two bar rails forming a guide bar and can be shifted longitudinally independently from each other. The elements are magnetically held in apertures between the bar rails which can be longitudinally shifted in opposite directions to shift the elements.
    Type: Grant
    Filed: November 5, 1976
    Date of Patent: October 4, 1977
    Inventor: Herbert Leonhardt
  • Patent number: 3998074
    Abstract: There is provided a yarn guide unit for use with Jacquard controlled warp knitting machines. The guides comprise a plurality of conventional yarn guides and, between each yarn guide there is provided a shorter, rigid tab. The guides and the tabs are mutually oriented so that the head of the tab contacts an adjacent face of its neighboring yarn guide. The contacted face of the yarn guide is always the side of the yarn guide other than that contacted by the influencing Jacquard dropper pin. The effect achieved by the presence of rigid contacting tabs is to both reduce feathering of the yarn guides after withdrawal of the influencing Jacquard dropper pin and to insure that the yarn guide, on the immediately following stitch cycle is correctly oriented in the warp knitting machine with respect to the needle bed.
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: December 21, 1976
    Inventor: Karl Kohl