EP2011911B1 - Nähmaschine - Google Patents

Nähmaschine Download PDF

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Publication number
EP2011911B1
EP2011911B1 EP08010568A EP08010568A EP2011911B1 EP 2011911 B1 EP2011911 B1 EP 2011911B1 EP 08010568 A EP08010568 A EP 08010568A EP 08010568 A EP08010568 A EP 08010568A EP 2011911 B1 EP2011911 B1 EP 2011911B1
Authority
EP
European Patent Office
Prior art keywords
guide
sewing machine
base plate
folded
machine according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP08010568A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2011911A3 (de
EP2011911A2 (de
Inventor
Petr Pasek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Duerkopp Adler AG
Original Assignee
Duerkopp Adler AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Duerkopp Adler AG filed Critical Duerkopp Adler AG
Publication of EP2011911A2 publication Critical patent/EP2011911A2/de
Publication of EP2011911A3 publication Critical patent/EP2011911A3/de
Application granted granted Critical
Publication of EP2011911B1 publication Critical patent/EP2011911B1/de
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B75/00—Frames, stands, tables, or other furniture adapted to carry sewing machines
    • D05B75/06—Arrangements, e.g. hinges, for mounting sewing-machine casings to frames, stands, or tables
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B75/00—Frames, stands, tables, or other furniture adapted to carry sewing machines
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B75/00—Frames, stands, tables, or other furniture adapted to carry sewing machines
    • D05B75/02—Frames, stands, tables, or other furniture adapted to carry sewing machines for drop-head sewing machines
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B83/00—Guards or like devices for preventing injury to operator

Definitions

  • the invention relates to a sewing machine according to the preamble of claim 1.
  • Such a sewing machine is known from the DE 20 2004 012 753 U1 . GB 2 277 101 A , of the DE 41 14 316 C1 as well as the JP 2007-143 941 A ,
  • a pivoting guide with a stop guide and a support guide can support the folding movement when the folding effort is uncomfortably high and then can dampen, if it is to be avoided that the sewing machine strikes too hard at one of the end positions.
  • the support guide supports at least the conversion of the sewing machine from the operating position, since experience shows that most of the power must be spent there.
  • the pivot guide leads to a safe attachment of the folding sewing machine components to the machine table. An undesired or accidental opening of the machine is avoided.
  • the pivoting guide can be designed so that this replaces a conventional stop of the base plate on the machine table in the operating position.
  • a gas spring according to claim 2 is an inexpensive and at the same time secure component for the support guide. Also, a braking effect of the gas spring when inserting a piston rod into a cylinder of the gas spring can be used advantageously for braking a folding movement near an end position.
  • An embodiment according to claim 4 advantageously requires few components for the support guide, since the gas spring simultaneously assumes the functions of power assistance and damping.
  • a lever guide according to claims 7 to 9 leads to a structurally simple one hand and on the other hand safe pivot guide.
  • Mounting positions according to claim 10 make it possible to carry out the subdivision of the folding path, in particular into different path sections that can be predefined via the mounting positions, in which the support guide supports or dampens.
  • the pivoting guide can be adapted in this way to sewing machines with different weight distribution.
  • a sewing machine 1 shown in the drawing without various attachments has a housing-like base plate 2, an upper arm 3 and a stand connecting them 4.
  • the sewing machine 1 is thus formed a total of approximately C-shaped.
  • the base plate 2 is rigidly connected to the arm 3.
  • an arm shaft is mounted in a conventional manner, via which a needle bar with a needle by means of a crank mechanism can be driven.
  • the drive of the arm shaft by means of a drive motor, not shown.
  • the base plate 2 and thus the sewing machine 1 is pivotally fixed to a support plate 5.
  • the latter is in turn rigidly connected to a machine table, which is otherwise not shown.
  • pivot joint For pivotal fixing of the base plate 2 on the support plate 5 is a pivot joint whose pivot axis in the Fig. 1 indicated by dashed lines at 6.
  • Base plate-side pivot joint components 7 are in the Fig. 1 partially hidden by the support plate 5 visible.
  • pivot guide To guide the pivotal displacement of the base plate 2 relative to the support plate 5 is a generally designated 8 pivot guide.
  • the slot 10 is formed along a free end portion of a lever 11 which is pivotally connected about a hinge 12 with a mounting plate 13, which in turn with the Base plate 2 is screwed.
  • the joint 12 is a pivot axis of the lever 11 to the base plate 2, which is parallel to the pivot axis 6.
  • a support plate stop 14 cooperates with the base plate stop 10, a guide pin. In the in the Fig. 1 shown operating position of the guide pin 14 is located at the free end of the lever 11 far end of the slot 10 at.
  • the guide pin 14 is in a in the Fig. 1 seen from above second of a total of four mounting positions 15 mounted in a further lever 16.
  • This further lever 16 is articulated at one end via a pivot joint 17 to a stop mounting plate 18, which in turn is bolted to the underside of the support plate 5.
  • operating position of the sewing machine 1 is a longitudinal side of the lever 16 in sections at an operating position stop surface of the stop mounting plate 18 at.
  • the end remote from the joint 17 of the lever 16 is articulated via a further joint 19 to a cylinder 20 of a gas spring 21.
  • the latter is part of a support guide of the pivot guide 8.
  • the cylinder 20 is connected to the support plate 5 guiding component of the support guide.
  • Another, connected to the base plate 2 guide component of the support guide is a piston rod 22 of the gas spring 21, the free end of the joint 12 is articulated.
  • the piston rod 22 is in the perspective of Fig. 1 to 3 arranged substantially behind the lever 11.
  • the pivot axes of the joints 17 and 19 are parallel to the pivot axis. 6
  • the gas spring 21 is an energy storage, which biases the pivotal mounting of the base plate 2 relative to the support plate 5 from the operating position in the direction of a folding intermediate position, which in the Fig. 2 is shown. In the force-free, not clamped state, therefore, the piston rod 22 of the gas spring 21 is pushed out of the cylinder 20. Insertion of the piston rod 22 in the cylinder 20, the gas spring 21 opposes a damping resistance. A pushing out of the piston rod 22 from the cylinder 20 does not happen abruptly, but damped.
  • the gas spring 21 thus also represents a damping element, the folding movement of the base plate 2 relative to the support plate 5 on the one hand in the direction of the operating position or on the other hand in the direction of one in the Fig. 3 illustrated, completely unfolded position dampens.
  • the sewing machine 1 is opened as follows: First, the sewing machine 1 is in the operating position of Fig. 1 By an operator laterally exerts force on the arm 3 in the direction of a force which is supported by the biasing force of the gas spring 21, the folding movement of the base plate 2 is introduced relative to the support plate 5 about the pivot axis 6. To assist this folding movement pushes the gas spring 21, the piston rod 22 from the cylinder 20, wherein at the same time the guide pin 14 of the in the Fig. 1 shown position in the slot 10 is shifted towards the opposite end of the slot 10. The sewing machine 1 takes at the end of this Ausschubterrorism the piston rod 22 and the displacement movement of the guide pin 14 in the slot 10 in the Fig. 2 shown folding intermediate position. The lever 16 has not moved relative to the stopper mounting plate 18.
  • the pivoting guide 8 can be adapted to different types of sewing machines.
  • the guide pin 14 can be mounted in a respective sewing machine type corresponding mounting position 15.
  • different displacement path sections arise on the one hand between the folded position and the folding intermediate position and on the other hand between the folding intermediate position and the operating position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
EP08010568A 2007-07-05 2008-06-11 Nähmaschine Ceased EP2011911B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007031367A DE102007031367A1 (de) 2007-07-05 2007-07-05 Nähmaschine

Publications (3)

Publication Number Publication Date
EP2011911A2 EP2011911A2 (de) 2009-01-07
EP2011911A3 EP2011911A3 (de) 2011-10-19
EP2011911B1 true EP2011911B1 (de) 2013-04-03

Family

ID=39863144

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08010568A Ceased EP2011911B1 (de) 2007-07-05 2008-06-11 Nähmaschine

Country Status (5)

Country Link
EP (1) EP2011911B1 (ja)
JP (1) JP2009011834A (ja)
KR (1) KR101424285B1 (ja)
CN (1) CN101338499B (ja)
DE (1) DE102007031367A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011045616A (ja) * 2009-08-28 2011-03-10 Brother Industries Ltd ミシン
JP5759147B2 (ja) * 2009-11-27 2015-08-05 Juki株式会社 ミシン
IT201900017081A1 (it) * 2019-09-24 2021-03-24 Sardella Mose Sistema di ribaltamento automatizzato per le macchine da cucire su tavolo.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB473109A (en) * 1936-01-11 1937-10-06 Union Special Machine Co Improvements in or relating to sewing machines and mountings therefor
GB747535A (en) * 1953-05-11 1956-04-04 Singer Mfg Co Latch mechanism for temporarily latching the machine head in a tilted position to the base of a sewing machine
JPS55113492A (en) * 1979-02-27 1980-09-02 Janome Sewing Machine Co Ltd Free arm sewing machine
US4579397A (en) * 1984-10-04 1986-04-01 Sears, Roebuck & Co. Sewing machine head lift device
US4620753A (en) * 1985-11-22 1986-11-04 Ralph Ogden Multiposition adjustment arrangement for cabinet mounting of domestic appliances
DE4114316C1 (en) * 1991-05-02 1992-07-09 Duerkopp Adler Ag, 4800 Bielefeld, De Damping installation for industrial sewing machine - has at least one rubber-metal sleeve on horizontal bolt to damp horizontal and vertical directions
GB2277101A (en) 1993-04-13 1994-10-19 Univ Nottingham Improvements to sewing machines
DE202004012753U1 (de) 2003-09-24 2004-11-11 Dürkopp Adler AG Nähmaschine sowie Schwenklagerung zum Einsatz in einer derartigen Nähmaschine
JP4959973B2 (ja) * 2005-11-29 2012-06-27 Ｊｕｋｉ株式会社 ミシン

Also Published As

Publication number Publication date
KR101424285B1 (ko) 2014-08-01
CN101338499B (zh) 2013-04-10
JP2009011834A (ja) 2009-01-22
EP2011911A3 (de) 2011-10-19
DE102007031367A1 (de) 2009-01-08
KR20090004560A (ko) 2009-01-12
EP2011911A2 (de) 2009-01-07
CN101338499A (zh) 2009-01-07

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