EP2852792A1 - Dispositif de suspension et de réglage de hauteur pour lampes à suspension - Google Patents

Dispositif de suspension et de réglage de hauteur pour lampes à suspension

Info

Publication number
EP2852792A1
EP2852792A1 EP13731867.1A EP13731867A EP2852792A1 EP 2852792 A1 EP2852792 A1 EP 2852792A1 EP 13731867 A EP13731867 A EP 13731867A EP 2852792 A1 EP2852792 A1 EP 2852792A1
Authority
EP
European Patent Office
Prior art keywords
hanging
height adjusting
adjusting device
spool
case
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
EP13731867.1A
Other languages
German (de)
English (en)
Other versions
EP2852792B1 (fr
Inventor
Marco Gaeta
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 EP2852792A1 publication Critical patent/EP2852792A1/fr
Application granted granted Critical
Publication of EP2852792B1 publication Critical patent/EP2852792B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V27/00Cable-stowing arrangements structurally associated with lighting devices, e.g. reels 

Definitions

  • the present invention relates to a hanging and height adjusting device particularly adapted to be used with light sources such as lamps, spots and the like.
  • the typical application for the device of the present invention provides for fixing the device at one end to an upper or raised surface such as a ceiling, beam or similar structure, and at the other end to the article to be kept suspended relative to said surface, preferably through a cable, cord or the like, that can be wound inside the device.
  • the regulation of the cable extension i.e. of the distance of the suspended article from the ceiling, can be made by a friction mechanism operatively connected to the spool or similar item on which the cable may be wound.
  • Document DE 9305844 U1 discloses a device for hanging and adjusting the height of a lamp, comprising a case containing a spool for winding the suspension cable, having a first flanged end housing a torsion band spring and a second opposite flanged end provided with a ratchet member unidirectionally engaging said spool, where the engagement may be manually removed through a push button disposed outside the case. Therefore the lamp height may be adjusted manually only by holding at the same time the button strongly pushed, in order to separate the two meshing parts of the mechanism.
  • the device is designed as an intermediate integral part between an overlying box for the cables ad an underlying lamp.
  • Document EP 0676586 A1 discloses a spool to wind the suspension cable, having such a conical shape, that during the winding operation the cable turns are orderly arranged one beside the other without overlapping.
  • the suspension device of the present invention has particular advantages, such as a high operative reliability, to be ascribed both to the choice of the used materials and to the constructional method, a limited cost especially when compared with the quality of the finished product, a high ease of use due to the fastening systems (of both the suspended article and the suspension structure) of ready use and last but not least, a variability of configuration that allows to use several devices of the present invention at the same time, to fit with different shapes of the article to be suspended or even with different loads.
  • Fig. 1 is a perspective view of the suspension and height adjusting device in accordance with a preferred embodiment of the present invention
  • Fig. 2 is an exploded perspective view of the device of Fig. 1 ;
  • Fig. 3 is a perspective front view of some assembled components of the device of Fig. 2;
  • Fig. 4 is a perspective rear view of the components of Fig. 3;
  • Fig. 5 is a perspective front view, showing a greater number of components relative to Fig. 3;
  • Fig. 6 is a perspective view showing a constructional detail used in the assembling stage of the device.
  • a suspension and height adjusting device 10 according to the present invention is shown, wherein one can see the cable 50 coming out from said device, provided for fixing an article (not shown) or a part of it, to be held suspended at a determined distance from the device; said device is in turn fixed to an outer stationary support (not shown) such as a ceiling, a beam and the like, by means of the upper hook 16.
  • Fig. 1 also shows a wing nut 15 or nut with another shape or material, whose tightening degree involves a corresponding friction of the spool on which the cable is wound. Therefore said cable will be able to hold heavier or lighter loads, still remaining free to return back into the device, namely to be rewound on the spool.
  • FIG. 2 an exploded perspective view shows all the components of device 10, wherein the case is made of two half shells, namely a front shell 12 and a rear shell 14, both provided with upper and lower protrusions.
  • the two half shells are matched above through a snap connection of pin 12a of the front shell into a hole 14a of the rear shell, and below through a ring 19 preventing lower end 12c of the front shell to spread apart from lower end 14c of the rear shell.
  • the upper ends 12b and 14b are constrained by a member 16, of which a hook 16b is engaged with pin 12a, while a pair of right and left elements 16a are snap holding said upper ends 12b and 14b in the peripheral direction.
  • the presence of screw threads made on the upper and lower ends of the shells allow to fasten the device to suitable sleeves fixed to an outer suspension element (for instance a ceiling) or even to specific components such as cable covering sheaths.
  • the rear shell 14 is provided in a central position with a circular projection on which two notches 18 and a dead hole are made at its lower protrusion, which has in turn a longitudinal groove for passage of the cable.
  • a deflection pin 1 1 is inserted, to guide to the groove the portion of cable 50 coming out from the device 10.
  • On the central projection a torsion band spring 20 is supported, which is obtained by spirally winding a metal strip in such a way that in the assembling configuration, the band has a short central straight portion 24 and after a predetermined number of windings, ends with a curved end 22.
  • Spring 20 is fixed abutting on the central projection of the rear shell, by means of a locking pin 30 having a first end provided with a diametral notch forming a pair of fingers 32 on said first end.
  • the central straight portion 24 is inserted into the notch of the locking pin 30, whose fingers 32 are snap engaged within the notches 18 of the projection of shell 14.
  • Fig. 2 there is shown the spool on which the cable 50 is being wound, consisting of two separate parts, namely a drum 40 and a flange 60, which are mechanically assembled and possibly welded, for instance by ultrasounds.
  • Drum 40 has a rear flange 42, in turn provided with at least one almost radial notch 44, where one end 54 of cable 50 is fastened for instance by a simple knot.
  • On the front side drum 40 is provided with four protrusions 46, symmetrically arranged relative to its longitudinal axis, each protrusion having a groove 48, that in this preferred embodiment has a dovetail shape.
  • integral fingers 47 are provided, which after coupling drum 40 with flange 60, are mechanically deformed by a cold or hot operation, so as to constitute a fixed constraint to the axial creep of these parts, avoiding their mutual extraction.
  • drum 40 At a central position relative to protrusions 46, a through hole is made on drum 40, dimensioned to match the second end of the spring locking pin 30.
  • drum 40 has a rear seat 45 where the torsion spring 20 is positioned.
  • dovetail members 66 are integrally made, arranged in an axially symmetrical mode and adapted to match the dovetail grooves 48 of drum 40.
  • An adjustment pin 70 has a flat head 72 at a first end, a recess for lodging the head of pin 30 and at the other end a thread 74 as well as a flat portion for inserting and fixing plate 17; said pin 70 is matching the end of pin 30 passing through hole of drum 40, around which the pin rotates.
  • the adjustment pin 70 is inserted first into a central hole of gear wheel 80, which is provided with a front flange 82, and then into the central hole of a plate 17 preferably made of metal.
  • the threaded end 74 of pin 70 then comes out from a central hole of the front shell 12, to engage the wing nut 15 after interposition of a second washer.
  • beaks 64 are provided with an end 64a adapted to engage the teeth of gear wheel 80; in such a position an undercut 64b on beak 64 abuts on the side walls of protrusion 46.
  • This connection gives stiffness and strength to the operation of the device, because the load exerted on end 64a is passed and distributed on a broader surface, just as the surface of the side wall of the protrusion.
  • Fig. 3 there is illustrated the spool of the suspension and height regulation device 10 shown inserted into the corresponding dovetail grooves 48 of drum 40. Cable 50 is wound around the spool.
  • Fig. 4 the same group is shown from the rear side so as to better show the torsion spring 20 lodged in the relevant room 45 in drum 40 and locked by the end of locking pin 30.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
  • Transmission Devices (AREA)
  • Springs (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

L'invention concerne un dispositif de suspension et de réglage de hauteur (10) particulièrement adapté aux applications d'éclairage, comprenant une enceinte (12, 14) comportant un crochet permettant de supporter une lampe ou un autre article, ladite enceinte logeant un mécanisme à cliquets permettant d'enrouler un câble (50) ou une corde à fixer à une surface supérieure ou surélevée par rapport à la lampe, par exemple un plafond, une poutre ou similaire. Le verrouillage du mécanisme d'enroulement est facilement obtenu en serrant un écrou (15) à l'extérieur de l'enceinte.
EP13731867.1A 2012-05-22 2013-05-21 Dispositif de suspension et de réglage de hauteur pour lampes à suspension Active EP2852792B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000885A ITMI20120885A1 (it) 2012-05-22 2012-05-22 Dispositivo di sospensione e regolazione d¿altezza, in particolare di lampade e simili
PCT/IB2013/001005 WO2013175291A1 (fr) 2012-05-22 2013-05-21 Dispositif de suspension et de réglage de hauteur pour lampes à suspension

Publications (2)

Publication Number Publication Date
EP2852792A1 true EP2852792A1 (fr) 2015-04-01
EP2852792B1 EP2852792B1 (fr) 2016-07-13

Family

ID=46466678

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13731867.1A Active EP2852792B1 (fr) 2012-05-22 2013-05-21 Dispositif de suspension et de réglage de hauteur pour lampes à suspension

Country Status (7)

Country Link
EP (1) EP2852792B1 (fr)
CN (1) CN104334967A (fr)
ES (1) ES2595479T3 (fr)
HU (1) HUE029836T2 (fr)
IT (1) ITMI20120885A1 (fr)
PL (1) PL2852792T3 (fr)
WO (1) WO2013175291A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10145543B1 (en) 2017-08-31 2018-12-04 Sinowell (Shanghai) Co., Ltd. Device for adjusting height of suspended lamp
CN107676663A (zh) * 2017-11-03 2018-02-09 谢娟 一种用于学生学习的照明装置
CN113493147A (zh) * 2020-04-08 2021-10-12 上海柯舜科技有限公司 一种高斯计探头导线的收卷结构

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1166736B (it) * 1979-04-11 1987-05-06 Aromec Srl Dispositivo saliscendi perfezionato per lampade a sospensione
IT1244535B (it) * 1991-01-31 1994-07-15 Marco Gaeta Saliscendi perfezionato per apparecchi di illuminazione
DE9305844U1 (de) * 1993-04-20 1994-08-25 Beckmann & Co KG, 58513 Lüdenscheid Aufrollung für einen Leuchtenzug
DE4411990A1 (de) * 1994-04-08 1995-10-12 Andreas Wilke Pendelleuchte mit Zugmittelantrieb
CN201059509Y (zh) * 2007-06-16 2008-05-14 叶秀跃 灯体用通电导线的收放线装置
CN201225529Y (zh) * 2008-07-21 2009-04-22 土尔地汉 卷线工作灯
CN201289031Y (zh) * 2008-09-23 2009-08-12 唐应邵 可调吸盘式机动车用工作灯
CN202163963U (zh) * 2011-08-04 2012-03-14 尹锡枝 钢丝缠绕机

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013175291A1 *

Also Published As

Publication number Publication date
PL2852792T3 (pl) 2017-01-31
HUE029836T2 (en) 2017-04-28
EP2852792B1 (fr) 2016-07-13
ITMI20120885A1 (it) 2013-11-23
CN104334967A (zh) 2015-02-04
WO2013175291A1 (fr) 2013-11-28
ES2595479T3 (es) 2016-12-30

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