Patents by Inventor Dietmar Traenkle

Dietmar Traenkle has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11332857
    Abstract: A single- or double-knit circular knitting machine having a cylinder (11) equipped with cylinder needles and/or a dial equipped with dial needles for the production of single- or double-jersey knitted webs, which machine has at least one thread-selection device, threads being able to be supplied to any cylinder- and/or dial needle by the thread-selection device.
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: May 17, 2022
    Assignee: SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbH
    Inventor: Dietmar Traenkle
  • Publication number: 20190194842
    Abstract: A single- or double-knit circular knitting machine having a cylinder (11) equipped with cylinder needles and/or a dial equipped with dial needles for the production of single- or double-jersey knitted webs, which machine has at least one thread-selection device, threads being able to be supplied to any cylinder- and/or dial needle by the thread-selection device.
    Type: Application
    Filed: May 3, 2017
    Publication date: June 27, 2019
    Applicant: SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbH
    Inventor: Dietmar TRAENKLE
  • Patent number: 8196438
    Abstract: In a method and a knitting machine for the production of knitting goods with horizontal stripe a comparatively wide thread changing device having a plurality of thread fingers can be associated with two knitting points in such a manner that a first portion of the threads guided by the thread changing device can be fed to one knitting point and another portion of the threads can be fed to the other knitting point or to the knitting tools respectively moved there into a thread pick-up position.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: June 12, 2012
    Assignee: SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbH
    Inventors: Dietmar Traenkle, Uwe Sauter
  • Publication number: 20110056247
    Abstract: In a method and a knitting machine for the production of knitting goods with horizontal stripe a comparatively wide thread changing device having a plurality of thread fingers can be associated with two knitting points in such a manner that a first portion of the threads guided by the thread changing device can be fed to one knitting point and another portion of the threads can be fed to the other knitting point or to the knitting tools respectively moved there into a thread pick-up position.
    Type: Application
    Filed: September 1, 2010
    Publication date: March 10, 2011
    Inventors: Dietmar Traenkle, Uwe Sauter
  • Patent number: 7882712
    Abstract: A circular knitting machine for the production of an opened fabric tube comprises a needle cylinder (1), a frame (6), which is coupled to the needle cylinder (1) and in which at least a draw-off roller (4) and/or a take-up roller (5), drive means (36 to 43) to drive said roller, and a blade (19) intended for opening the fabric tube are each rotatably mounted, and a flexible shaft (21), which is rigidly connected to the blade (19) and a drive wheel (38), for setting the blade (19) in rotation at a rotational speed dependent on the knitting speed. According to the invention, the drive wheel (38) of the flexible shaft (21) is functionally connected (FIG. 2) to the drive means (36 to 43) for the draw-off and/or take-up roller (4, 5).
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: February 8, 2011
    Assignee: SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbH
    Inventors: Bernhard Schaut, Dietmar Traenkle
  • Publication number: 20090266112
    Abstract: A circular knitting machine has a frame, a rotatably disposed dial, a dial cam support for a dial cam mounted in the frame and a dial cam shaft, which is disposed rotatably and coaxially in the dial cam support and is intended for driving the dial. The dial is disposed rotatably and coaxially on the dial cam support with adjustable bearing clearance and is preferably connected coaxially to the dial cam shaft by a spring plate.
    Type: Application
    Filed: April 3, 2009
    Publication date: October 29, 2009
    Inventor: Dietmar Traenkle
  • Patent number: 7596971
    Abstract: The invention relates to a circular knitting machine with a replaceable needle cylinder (7). According to the invention, two or more eccentrics (19) are disposed to be rotatable in a support ring (3) for the needle cylinder (7) or in the needle cylinder itself, and serve the purpose of lifting the needle cylinder (7) out of a normal operating position into a mounting position enabling it to be pulled out laterally, in which an underside of said needle cylinder (7) is arranged at least to be flush with an upper edge of attachments (9) attached to the support ring (3) or elsewhere (FIG. 2).
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: October 6, 2009
    Assignee: SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbH
    Inventors: Dietmar Traenkle, Bernd Boss
  • Publication number: 20090158781
    Abstract: A circular knitting machine for the production of an opened fabric tube comprises a needle cylinder (1), a frame (6), which is coupled to the needle cylinder (1) and in which at least a draw-off roller (4) and/or a take-up roller (5), drive means (36 to 43) to drive said roller, and a blade (19) intended for opening the fabric tube are each rotatably mounted, and a flexible shaft (21), which is rigidly connected to the blade (19) and a drive wheel (38), for setting the blade (19) in rotation at a rotational speed dependent on the knitting speed. According to the invention, the drive wheel (38) of the flexible shaft (21) is functionally connected (FIG. 2) to the drive means (36 to 43) for the draw-off and/or take-up roller (4, 5).
    Type: Application
    Filed: December 17, 2008
    Publication date: June 25, 2009
    Inventors: Bernhard Schaut, Dietmar Traenkle
  • Publication number: 20080264108
    Abstract: The invention relates to a circular knitting machine with a replaceable needle cylinder (7). According to the invention, two or more eccentrics (19) are disposed to be rotatable in a support ring (3) for the needle cylinder (7) or in the needle cylinder itself, and serve the purpose of lifting the needle cylinder (7) out of a normal operating position into a mounting position enabling it to be pulled out laterally, in which an underside of said needle cylinder (7) is arranged at least to be flush with an upper edge of attachments (9) attached to the support ring (3) or elsewhere (FIG. 2).
    Type: Application
    Filed: April 28, 2008
    Publication date: October 30, 2008
    Inventors: Dietmar Traenkle, Bernd Boss
  • Publication number: 20070084953
    Abstract: A device (3) for guiding a thread or the like is described, which includes a holding element (4), a thread roll (5) rotatably disposed on the holding element (4) to form a bearing gap (12), and a protective shield (14), which covers the bearing gap (12) at at least one axial end. According to the invention, the protective shield (34) is non-rotatably connected to the holding element (4).
    Type: Application
    Filed: October 10, 2006
    Publication date: April 19, 2007
    Inventors: Uwe Conzelmann, Dietmar Traenkle
  • Patent number: 7073355
    Abstract: A knitting machine is described, which includes at least one carrier provided with knitting tools (2, 3), a cam mechanism with at least one knitting point (71) for moving selected knitting tools (2, 3) into a yarn pick-up position and a striping attachment for feeding selected yarns to the knitting tools (2, 3) brought into the yarn pick-up position. According to the invention, the striping attachment has at least one first and one second yarn changing device (73, 74) such that yarns (78, 79) fed optionally by the first or the second yarn changing device (73, 74) may be laid into the knitting tools (2, 3) brought into the yarn pick-up position at the knitting point (71) (FIG. 12).
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: July 11, 2006
    Assignee: SIPRA Patententwicklungs und Beteiligungsgesellschaft mbH
    Inventors: Dietmar Traenkle, Axel Flad, Dajana Tischler
  • Publication number: 20060010928
    Abstract: A knitting machine is described, which includes at least one carrier provided with knitting tools (2, 3), a cam mechanism with at least one knitting point (71) for moving selected knitting tools (2, 3) into a yarn pick-up position and a striping attachment for feeding selected yarns to the knitting tools (2, 3) brought into the yarn pick-up position. According to the invention, the striping attachment has at least one first and one second yarn changing device (73, 74) such that yarns (78, 79) fed optionally by the first or the second yarn changing device (73, 74) may be laid into the knitting tools (2, 3) brought into the yarn pick-up position at the knitting point (71) (FIG. 12).
    Type: Application
    Filed: June 27, 2005
    Publication date: January 19, 2006
    Inventors: Dietmar Traenkle, Axel Flad, Dajana Tischler
  • Patent number: 6907758
    Abstract: A circular knitting machine is described which has a needle cylinder (1), at least one cylinder cam segment (6), a dial arrangement (9) having a dial (10) and at least one dial cam segment (11), an axis of rotation (7), which is coaxial with the needle cylinder (1) and the dial arrangement (10), and at least one thread guide element (25) intended to guide a thread (20). The cylinder cam segment (6) together with the thread guide element (25), and the dial cam segment (11) are rotatable about the rotational axis (7) relative to one another. The needle cylinder (1), and the dial arrangement (9) together with the thread guide (25) are moreover disposed displaceable relative to one another and parallel to the rotational axis (7). According to the invention, the thread guide element (25) is mounted moveable on the cylinder cam segment (6) (FIG. 2).
    Type: Grant
    Filed: September 4, 2003
    Date of Patent: June 21, 2005
    Assignee: Sipra Patententwicklungs - und Beteiligungsgesellschaft mbH
    Inventors: Dietmar Traenkle, Harald Rehmann
  • Patent number: 6848278
    Abstract: The invention relates to a circular knitting machine with a protective cover (17) at least partially surrounding a take down and/or winding up device (15) on the outside. The cover (17) which includes a guide fixed on the machine frame and segments (18 to 23) movably mounted on this. In accordance with the invention the segments (18 to 23) are so arranged at different radial distances from a machine axis (11) that they are movable relative to one another at least partially with mutual overlapping.
    Type: Grant
    Filed: April 17, 2003
    Date of Patent: February 1, 2005
    Assignee: SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbH
    Inventors: Bernhard Schaut, Dietmar Traenkle
  • Publication number: 20040089027
    Abstract: A circular knitting machine is described which has a needle cylinder (1), at least one cylinder cam segment (6), a dial arrangement (9) having a dial (10) and at least one dial cam segment (11), an axis of rotation (7), which is coaxial with the needle cylinder (1) and the dial arrangement (10), and at least one thread guide element (25) intended to guide a thread (20). The cylinder cam segment (6) together with the thread guide element (25), and the dial cam segment (11) are rotatable about the rotational axis (7) relative to one another. The needle cylinder (1), and the dial arrangement (9) together with the thread guide (25) are moreover disposed displaceable relative to one another and parallel to the rotational axis (7). According to the invention, the thread guide element (25) is mounted moveable on the cylinder cam segment (6) (FIG. 2).
    Type: Application
    Filed: September 4, 2003
    Publication date: May 13, 2004
    Inventors: Dietmar Traenkle, Harald Rehmann
  • Publication number: 20030226379
    Abstract: The invention relates to a circular knitting machine with a protective cover (17) at least partially surrounding a take down and/or winding up device (15) on the outside. The cover (17) which includes a guide fixed on the machine frame and segments (18 to 23) movably mounted on this. In accordance with the invention the segments (18 to 23) are so arranged at different radial distances from a machine axis (11) that they are movable relative to one another at least partially with mutual overlapping.
    Type: Application
    Filed: April 17, 2003
    Publication date: December 11, 2003
    Inventors: Bernhard Schaut, Dietmar Traenkle
  • Patent number: 6568221
    Abstract: A circular knitting machine with a frame (1) having a plurality of feet (2, 3, 4), a needle carrier (7), a cam box ring and a take-down and/or winding-up device (14) mounted in the frame (1), wherein at least one of the feet (3, 4) is adjustable for altering the machine width.
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: May 27, 2003
    Assignee: SIPRA Patententwicklungs- und Beteiligungsgesellschatt mbH
    Inventors: Stefan Seeger, Dietmar Traenkle
  • Publication number: 20020157427
    Abstract: The invention relates to a circular knitting machine with a frame (1) having a plurality of feet (2, 3, 4). A needle carrier (7), a cam box ring and a take-down and/or winding-up device (14) are mounted in the frame (1). At least one of the feet (3, 4) is adjustable for altering the machine width (FIG. 1).
    Type: Application
    Filed: April 23, 2002
    Publication date: October 31, 2002
    Inventors: Stefan Seeger, Dietmar Traenkle
  • Patent number: 6401495
    Abstract: A sinker (50) for a knitting machine operating according to the relative technique is described. The sinker (50) contains a front (32), a back (33), a head (34) arranged on one end and having a sinker throat (35) and a knock-over edge (36), a control butt (38) intended to make possible movements in a longitudinal direction (v) and protruding from the front (32), and at least one rocking element (39, 40) designed to make possible pivot movements transverse to the longitudinal direction (v) and provided on the front (32). According to the invention, the sinker (50) also has a spring element (41) intended to compensate for manufacturing inaccuracies, acting transverse to the longitudinal direction (v) (FIG. 4). A knitting machine equipped with such a sinker (50) is also described.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: June 11, 2002
    Assignee: SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbH
    Inventors: Hans-Martin Eppler, Dietmar Traenkle
  • Patent number: 6393870
    Abstract: A circular knitting machine with support disk (2) and a needle cylinder (4) fixed onto it with screws is described. According to the invention, an intermediate ring (17), elastically deformable in the radial direction, is arranged between support disk (2) and needle cylinder (4), through which the stresses that develop from different heat expansions are avoided between these two components.
    Type: Grant
    Filed: April 10, 2001
    Date of Patent: May 28, 2002
    Assignee: Sipra Patententwicklungs-und Beteiligungsgesellschaft mbH
    Inventors: Hans Martin Eppler, Stefan Seeger, Dietmar Traenkle