EP1002991A2 - Dispositif de suspension à règlage en hauteur pour un appareil électrique - Google Patents

Dispositif de suspension à règlage en hauteur pour un appareil électrique Download PDF

Info

Publication number
EP1002991A2
EP1002991A2 EP99120780A EP99120780A EP1002991A2 EP 1002991 A2 EP1002991 A2 EP 1002991A2 EP 99120780 A EP99120780 A EP 99120780A EP 99120780 A EP99120780 A EP 99120780A EP 1002991 A2 EP1002991 A2 EP 1002991A2
Authority
EP
European Patent Office
Prior art keywords
drum
winding
winding drum
cover
holding cord
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.)
Granted
Application number
EP99120780A
Other languages
German (de)
English (en)
Other versions
EP1002991A3 (fr
EP1002991B1 (fr
Inventor
Andreas Wilke
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1002991A2 publication Critical patent/EP1002991A2/fr
Publication of EP1002991A3 publication Critical patent/EP1002991A3/fr
Application granted granted Critical
Publication of EP1002991B1 publication Critical patent/EP1002991B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V27/00—Cable-stowing arrangements structurally associated with lighting devices, e.g. reels 

Definitions

  • the invention relates to an arrangement for height-adjustable hanging bracket an electrically operable device and in particular a holder for a hanging lamp.
  • the electrically operated device is at one end attached a tether, which also the power supply lines for the Device includes.
  • the tether is on a winding drum wound, which is rotatably mounted on a drum holder, wherein the drum holder in turn for attachment to, for example, one Ceiling is formed.
  • a winding drum in your Spring motor driving winding direction and one by means of a freewheel device effective braking device provided in the unwinding direction, which matched to each other and to the weight of the electrically operated device are that the device is manually operated to a desired height can be set and gets stuck there.
  • From DE 44 11 990 A1 is a lamp holder with one on a drum holder horizontally mounted conically tapered winding drum known.
  • the winding drum, the spring device, the braking device and the drum holder are attached by a cover attached to the drum structure covers, which has an opening through which the tether the cover enforced.
  • This funnel-shaped opening guides the tether the large diameter area of the conical winding drum.
  • the winding drum has a surface with reduced adhesion to the tether so that the tether when winding on the winding drum due to the Tensile force of the spring force in the direction of the small diameter area the winding drum slips and there in contact with one already on the winding drum wound cord position reached. It is therefore an orderly winding the cord is reached.
  • the spring device is as Roll spring formed in which a leaf spring from a supply spool to a Work coil is wrapped.
  • a disadvantage of this known holder is the complex spring device and the complex construction of the guide for the tether, which is required in order to wind up the tether in an orderly manner to ensure the winding drum.
  • the invention is based on an arrangement for height-adjustable hanging bracket of an electrically operated device, which a winding drum for winding up a power supply line for the electrical Device has extensive flexible tether, at the free end of the electrical Device is attachable, the winding drum by a spring device is driven in a winding direction and a turning axis, one in Direction of the axis of rotation extending drum shell and two den Drum shell includes axially closing drum disks, which prevent that the tether jumps from the winding drum when winding.
  • the arrangement further comprises a drum holder which rotatably supports the winding drum, which are essentially horizontal to the axis of rotation Is mounted on an object, such as a ceiling, and it also includes a firmly connected to the drum holder and the Winding drum at least partially surrounding cover which the aforementioned Components should at least partially hide from a viewer and which has an outlet recess on which the tether the Cover penetrated.
  • a drum holder which rotatably supports the winding drum, which are essentially horizontal to the axis of rotation Is mounted on an object, such as a ceiling, and it also includes a firmly connected to the drum holder and the Winding drum at least partially surrounding cover which the aforementioned Components should at least partially hide from a viewer and which has an outlet recess on which the tether the Cover penetrated.
  • the drum disks also cover enforce such that the outlet recess at least from the Cover and is limited by the drum discs. This has the consequence that the guiding function of feeding the tether to the winding drum together is provided by the drum disks and the cover.
  • the arrangement is designed such that the tether Exit recess penetrates so that it covers the cover substantially not touched if the arrangement as intended on the object is mounted and the tether extends vertically downwards.
  • the Exit recess on the cover in particular as a slot, continued in such a way that they start from one adjacent to the drum disks Area continues in the winding direction of the winding drum. This will avoid contact between the tether and the cover, if the tether is in the properly installed state the arrangement does not extend vertically downwards.
  • the winding drum is advantageously designed as a single-track winding drum, d. that is, the tether on the winding drum passes in layers one above the other and not next to each other for arrangement.
  • This has been linked to the features described above as a particularly preferred embodiment therefore, because the single-track winding drum has a reduced Capacity to hold cord, but on the other hand an orderly Supported winding of the tether on its own.
  • this winding drum offers the usual Adequate room heights and the usual cord diameter Take-up capacity, d. H. a sufficient height adjustment range for the pendant lamp.
  • This tether guide comprises two guide walls, which are in radial extension of the drum disks over a peripheral portion of the drum disk extend.
  • the winding drum can be located on the peripheral partial region a winding radius is reached and held on the winding drum, that exceeds the radius of the drum disc.
  • the winding drum as a single-track winding drum can become one noticeable increase in winding capacity.
  • the spring inserted into the spring device is advantageously a spiral spring.
  • the coil spring is a comparatively inexpensive spring, the use of which is due the reduced friction between the tether and the arrangement is possible becomes.
  • a comparatively low spring force can therefore be selected which are sufficient even when implemented by a spiral spring Uniform provision of spring force over the entire winding area provides.
  • the tether is advantageously designed as a hose line, which at least two separately isolated power supply lines and one has the sheath surrounding the power supply line.
  • Hose line has only a limited flexibility, but is in Connection with the arrangement described above is therefore suitable because it is inexpensive and because of the reduced friction between Holding cord and cover their limited flexibility even at low Temperature does not have a significantly disadvantageous consequence.
  • the coat is the Hose line advantageously formed from PVC material and the power supply lines do not adhere to the coat.
  • the lamp holder 1 comprises a winding drum 5 with one in the ceiling 3 mounted state horizontally extending axis of rotation 7, a Drum jacket 9 and two drum disks axially delimiting the drum jacket 11.
  • a power cable 13 is wound onto the winding drum 5, which two surrounded by a PVC jacket 15 and separately insulated power supply lines 17 has.
  • the power cable 13 meets the German standard DIN VDE 0281-5 and has the designation code H03VV-F-2x0.75.
  • the power cord 13 is flexible in itself, but it resists changing it Curvature with a certain toughness, which is particularly true in the low Temperatures at which the PVC material is less supple increases is. In order to at least somewhat reduce this toughness, the power supply lines adhere 17 not on the PVC jacket 15.
  • the lamp holder 1 further comprises a sliding contact device 19 to the power supply lines 17 of the power cable 13 with lines 21 for connection to connect to a ceiling outlet.
  • the winding drum 5 is rotatably mounted on a drum holder 23, which to be screwed to the ceiling 3. Between the drum holder 23 and the Winding drum 5, a spiral spring 25 is turned on, which the winding drum 5 with respect to the drum holder 23 into one indicated by an arrow 27 Drives winding direction.
  • the spring force is on the weight of the luminaire matched, wherein a freewheel device 6 is provided, which with a Friction device 29 is coupled such that it only in the unwinding direction is effective and the unwinding of the power cable 13 from the winding drum 5 due to the weight of the lamp is prevented.
  • the drum holder 23 On the upper part of the drum holder 23 there are also two guide walls 37 formed, each of which is in radial extension one of the drum disks 11 extends. Between these guide walls 37 is with the power cable completely wound on the winding drum 5 13 a layer 39 of the power cable 13 over a partial circumference of the winding drum 5 added so that a going beyond the radius of the drum disks 11 Area for winding the power cable 13 are used can without the power cable 13 slides from the winding drum 5.
  • the drum holder 23 and essential parts of the winding drum 5 are through a cover 31 attached to the drum holder 23 from view obscured by the viewer.
  • the cover 31 has a circumferential direction of the winding drum 5 extending slot 33, the drum disks 11th push through.
  • the longitudinal flanks of the slot 33 only have one slight distance to the outer surfaces of the drum disks 11, and in In the longitudinal direction, the slot 33 is dimensioned such that it has a slight Has distance to the end faces of the drum disks 11.
  • the power cord 13 passes through the slot 33, whereby it passes through the drum disk 11 on both sides is led. When the power cord 13 is vertical as shown in FIG. 1 extends downward, it does not touch the cover 31.
  • the lamp holder 1 a shown in FIGS. 3 and 4 differs from that embodiment described above only in the design of the Slot 33a of cover 31a.
  • the slot 33a is namely compared to the embodiment described above in its longitudinal direction in Winding direction 27a of the winding drum 5a and in particular up to extended a slot end 35 closer to the ceiling 3a.
  • Fig. 4 is the course of the power cable 13a during the winding process shown.
  • the power cable 13 is flexible, but changes its Radius of curvature offers a certain resistance in the form of a toughness, so that it is not tangent to the winding drum when winding extends vertically downward, but approximately as shown in Figure 4 has a curved course.
  • slit 33a in the winding direction 27a of the drum extends to its slot end 35, this can Power cable 13a take the curved shape preferred by him, without in To come into contact with the cover 31a. This also lies during a rapid winding process an essentially negligible friction between the components of the lamp holder 1a and the power cable 13a.
  • the position of the slot end 35 on the cover 31 is chosen so that a tangentially and rectilinearly extending away from the full winding drum 5a Power cable 13a 'without contact with the slot end 35, starting from one Point P extends away from the winding drum 5a, which is in the winding direction 27 is offset from an horizontal 38 by an angle ⁇ of approximately 80 °.
  • a such dimensioning of the slot 33a enables even at comparatively low Room temperatures and the associated low flexibility of the power cable 13a, good functioning of the lamp holder 1a.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Supports Or Holders For Household Use (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
EP99120780A 1998-11-18 1999-10-20 Dispositif de suspension à réglage en hauteur pour un appareil électrique Expired - Lifetime EP1002991B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853228A DE19853228C2 (de) 1998-11-18 1998-11-18 Anordnung zur höhenveränderbaren hängenden Halterung eines elektrisch betreibbaren Geräts
DE19853228 1998-11-18

Publications (3)

Publication Number Publication Date
EP1002991A2 true EP1002991A2 (fr) 2000-05-24
EP1002991A3 EP1002991A3 (fr) 2001-09-26
EP1002991B1 EP1002991B1 (fr) 2003-04-16

Family

ID=7888242

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99120780A Expired - Lifetime EP1002991B1 (fr) 1998-11-18 1999-10-20 Dispositif de suspension à réglage en hauteur pour un appareil électrique

Country Status (3)

Country Link
EP (1) EP1002991B1 (fr)
AT (1) ATE237783T1 (fr)
DE (2) DE19853228C2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1615847A2 (fr) * 2003-04-07 2006-01-18 Michael Blair Hopper Support d'outil
WO2020223746A1 (fr) * 2019-05-08 2020-11-12 Prolicht Gmbh Dispositif d'éclairage

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019118445B4 (de) 2019-07-08 2024-06-20 Holtkötter Licht GmbH Vorrichtung zur Halterung einer Leuchte

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4411990A1 (de) 1994-04-08 1995-10-12 Andreas Wilke Pendelleuchte mit Zugmittelantrieb

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1471384A (en) * 1921-08-23 1923-10-23 Claussen Martin Electric lamp
US3002086A (en) * 1959-04-25 1961-09-26 Reeber Karl Pulling-lamp-fixture
DE4002372A1 (de) * 1989-09-01 1991-03-07 Hoffmeister Leuchten Kg Elektrische leuchte

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4411990A1 (de) 1994-04-08 1995-10-12 Andreas Wilke Pendelleuchte mit Zugmittelantrieb

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1615847A2 (fr) * 2003-04-07 2006-01-18 Michael Blair Hopper Support d'outil
EP1615847A4 (fr) * 2003-04-07 2006-09-20 Michael Blair Hopper Support d'outil
WO2020223746A1 (fr) * 2019-05-08 2020-11-12 Prolicht Gmbh Dispositif d'éclairage

Also Published As

Publication number Publication date
EP1002991A3 (fr) 2001-09-26
ATE237783T1 (de) 2003-05-15
DE19853228C2 (de) 2001-12-13
DE59905055D1 (de) 2003-05-22
EP1002991B1 (fr) 2003-04-16
DE19853228A1 (de) 2000-06-08

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