EP0193253B1 - Ausziehbare Aufhängevorrichtung - Google Patents

Ausziehbare Aufhängevorrichtung Download PDF

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Publication number
EP0193253B1
EP0193253B1 EP86300035A EP86300035A EP0193253B1 EP 0193253 B1 EP0193253 B1 EP 0193253B1 EP 86300035 A EP86300035 A EP 86300035A EP 86300035 A EP86300035 A EP 86300035A EP 0193253 B1 EP0193253 B1 EP 0193253B1
Authority
EP
European Patent Office
Prior art keywords
drum
suspension device
flexible member
pawl
ratchet disc
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.)
Expired
Application number
EP86300035A
Other languages
English (en)
French (fr)
Other versions
EP0193253A1 (de
Inventor
Sydney Parkinson
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.)
PAR-FOX PRODUCTS LIMITED
Original Assignee
Par-Fox Products Ltd
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 Par-Fox Products Ltd filed Critical Par-Fox Products Ltd
Priority to AT86300035T priority Critical patent/ATE46609T1/de
Publication of EP0193253A1 publication Critical patent/EP0193253A1/de
Application granted granted Critical
Publication of EP0193253B1 publication Critical patent/EP0193253B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/4418—Arrangements for stopping winding or unwinding; Arrangements for releasing the stop means
    • B65H75/4428—Arrangements for stopping winding or unwinding; Arrangements for releasing the stop means acting on the reel or on a reel blocking mechanism
    • B65H75/4434—Arrangements for stopping winding or unwinding; Arrangements for releasing the stop means acting on the reel or on a reel blocking mechanism actuated by pulling on or imparting an inclination to the material
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G7/00—Flower holders or the like
    • A47G7/02—Devices for supporting flower-pots or cut flowers
    • A47G7/04—Flower tables; Stands or hangers, e.g. baskets, for flowers
    • A47G7/047—Devices for suspending flower-pots by wires or the like
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/16—Adjustable mountings using wires or cords
    • F21V21/18—Adjustable mountings using wires or cords operated by springs

Definitions

  • This invention concerns extensible suspension devices according to the prior art position of Claim 1, that is to say devices by means of which objects, or articles may be hung from over-head structures.
  • Certain hanging articles can, in everyday use, involve practical difficulties. For instance, access needs to be had, at regular intervals, to hanging flower baskets for the purpose of watering and/or tending the contents of the basket. If the basket is - suspended from a hook, the basket can, in certain instances, be unhooked and taken down if desired. More frequently, however, users of hanging baskets usually stand on a suitable support such as a chair or steps, and reach up to the basket to attend thereto. This can be difficult even for agile persons; for older, frail or infirm persons, it may in practice be a very dangerous operation, involving a very high risk of accident or injury.
  • a suspension device by which a hanging object or article such as a hanging basket, may be suspended in such a way that it can be drawn down to a lower position at which it is readily accessible e.g. from the ground or floor, and which will hold the object or article automatically in the lowered position until such time as it is desired to return it to a normal elevated position.
  • FR-A-2315643 and US-A-2907534 each disclose an extensible suspension device according to the prior art position of Claim 1.
  • FR-A-2 315 643 discloses a hose real with a pawl latching device to prevent retraction of the hose until required. The latching device does not operate when the hose is withdrawn at speed.
  • US-A-2 907 534 discloses a similar arrangement utilising a groove engaging wheel in place of a conventional pawl.
  • an extensible suspension device comprising a drum, a flexible member wound around said drum and extensible by drawing it from the device and thereby rotating the drum against the action of spring means biassing said drum towards a position in which the flexible member is wound up thereon, a ratchet disc rotatable in unison with the drum and spaced around which are a plurality of notches between each of which is a respective arcuate lobe which so increases in height from the one notch to the next that drawing-off of the flexible member at a relatively fast speed causes or enables a pawl co-operating with the ratchet disc, to ride over the notches into one of which the pawl will engage upon drawing off at relatively slower speed to arrest the drum and prevent further drawing-off characterised in that the flexible member is in the form of a band.
  • the drum is advantageously formed integrally with the ratchet disc, the drum and ratchet disc being provided, for instance, one at each side of an integral flange.
  • the flexible member conveniently extends by one end through an opening in the drum and is anchored to a central boss of the drum.
  • the flexible member is preferably a reinforced plastics tape.
  • the arrangement may, of course, be such that the article or object to be hung is attached directly to the free end of the flexible member.
  • the flexible member advantageously has, through its free end, an eyelet or other connector whereby an article or object to be suspended may be connected thereto, e.g. by hooking into the eye or the like.
  • the spring means which serves to bias the drum towards the wound-up position conveniently comprises a spiral spring accommodated in a substantially circular recess in the ratchet disc, and the pawl is advantageously freely located on a pivot pin to engage with the ratchet disc under the influence of gravity. This latter feature eliminates the need for providing a spring or the like to load the pawl towards the surface of the ratchet disc.
  • a preferred embodiment of the extensible suspension device of the invention comprises a casing indicated generally by the reference numeral 10 and composed, for instance, of two shell halves 12 and 14 which fit together and are cemented or welded together.
  • a stub 18 Projecting from wall 16 of the rear shell half 12 is a stub 18 which locates into a boss (not visible) on the other shell half and provides a turning axis for a drum which is indicated generally by the reference numeral 20.
  • the top of the casing 10 is formed with an integral eye 22 whereby the entire device can be hung in any suitable manner from an overhead structure, such as a beam, ceiling or the like, e.g. by means of a hook, screw, nail or other suitable fastener.
  • the drum 20 is formed integrally with a circular flange 24 and has a radial gap as at 26, the drum 20 projecting at one side of the flange 24 which has an integral central bush 28 whereby it is rotatably mounted on the stub 18.
  • a ratchet disc which is indicated generally in Fig. 3 by the reference numeral 30.
  • a flexible member in the form of a fabric reinforced plastics band 32 is wound around the drum 20. Adjacent one end, this band extends through the gap 26 in the drum 20 and it terminates in a loop 34 (Fig. 2) which is anchored by locating over the bush 28. This arrangement prevents the band 32 from being pulled completely off the drum 20 when being unwound from the latter, as will be described later. Adjacent its other end, the band 32 extends to the outside of the casing 10 through a further gap 36 at the bottom of the casing 10 and opposite the eye 22, and said other end is secured to a robust eyelet 38 having therethrough an aperture whereby an object or article to be suspended (not shown) can be connected to the device.
  • the ratchet disc 30 is formed at equispaced intervals therearound with four inclined recessed notches 42 for co-operation with a pawl 44 which is freely swingable upon a fulcrum pin 46 fixed into the casing 10 at a position such that nose 48 of the pawl 44 rests loosely upon the outer peripheral surface of the ratchet disc 30 under the influence of gravity.
  • Each adjacent pair of the notches 42 defines, between said notches, a respective lobe 50.
  • each lobe 50 is of gradually increasing radial height so that beginning 54 of each lobe is shallower than the remote end 56 thereof.
  • the ratchet disc 30 has a central circular recess 60 and this accommodates'a spiral spring 62 one end of which is located by the bush 28 and the other end is formed into a hook 64 engaging into a complementary notch in the disc 30.
  • the spring 62 is, of course, pretensioned so as normally to retain the band 32 fully wound up onto the drum 20 as shown in Fig. 3, corresponding to the pawl nose 48 being located on the outer periphery of the ratchet disc 30 and at a spacing from the nearest notch 42.
  • the basket will normally be in a raised position.
  • Tension on the band 32 arising from the weight of the basket will have caused the drum 20 and the ratchet disc 30 to have been rotated through a small angle such that the nose 48 of the pawl 44 has engaged into the first notch 42 which is indicated at A.
  • the basket is, accordingly, held in the raised position by the interaction of the pawl 44 and the ratchet disc 30.
  • the pawl 44 is simply resting on the periphery of the ratchet disc 30 and there is a little friction between it and its fulcrum pin 46, its speed of swinging in the anticlockwise direction in Fig. 3 upon encountering a notch 42 is finite and accordingly so long as the band 32 is pulled down quickly enough and the ratchet disc 30 is roated rapidly enough, the pawl nose 48 will not drop into such notch but will ride onto the lower end 54 of the next subsequent lobe 50. Thus, the basket can be pulled downwards so far as one may require to permit ready access thereto.
  • the speed of drawing down is decelerated, with the result that the pawl 44 can then drop into the next subsequent notch 42 to arrest the band 32 and prevent the basket from descending futher.
  • the basket is then held at the desired height and can be worked on as desired.
  • the basket can be returned to its elevated position simply by lifting it up, thereby to permit the spring 62 to wind the band 32 back to its initial position.
  • the device of the invention permits the basket to be suspended at any desired height, by appropriate manipulation of the basket to ensure that the pawl 44 is engaged with the opposite notch 42.
  • the location of the suspended article, in this case the basket is always positive and is independent of the weight of the basket. It is in this respect that the arrangement of the invention is particularly advantageous in comparison with counterbalanced devices which cannot practically be used with hanging baskets or the like because the weight thereof changes with watering, and modification of the counterweight would frequently be necessary.
  • each lobe 70 in this embodiment is of substantially constant effective height.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Damping Devices (AREA)
  • Supports Or Holders For Household Use (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Claims (9)

1. Ausziehbare Aufhängevorrichtung mit einer Trommel, einem flexiblen Element, das um die Trommel herum gewunden ist und durch Ziehen von der Vorrichtung weg ausziehbar ist, wobei die Trommel gegen die Wirkung einer Federvorrichtung, die die Trommel in eine Stellung vorspannt, bei der das flexible Element darauf aufgewickelt ist, gedreht wird, mit einer Klinkenscheibe (30), die zusammen mit der Trommel (20) drehbar ist und um die herum eine Mehrzahl von Ausnehmungen (42, 74) im Abstand zueinander angeordnet sind, zwischen denen jeweils eine bogenförmige Erhebung (50, 70) vorgesehen ist, die derart von einer Ausnehmung zur anderen ihre Höhe vergrößert, daß das Herausziehen des flexiblen Elementes (32) bei einer relativ schnellen Geschwindigkeit bewirkt oder ermöglicht, daß eine Rastklinke (44), die mit der Klinkenscheibe (30) zusammenarbeitet, über die Ausnehmungen (42, 74) hinwegfährt, wobei die Rastklinke (44) mit einer der Ausnehmungen in Eingriff tritt, wenn mit einer relativ geringeren Geschwindigkeit gezogen wird, wodurch die Trommel (20) festgelegt wird und ein weiteres Herausziehen verhindert wird, dadurch gekennzeichnet, daß das flexible Element (32) die Form eines Bandes aufweist.
2. Aufhängevorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Trommel (20) einteilig mit der Klinkenscheibe (30) ausgebildet ist.
3. Aufhängevorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Trommel (20) und die Klinkenscheibe (30) jeweils auf einer Seite eines integralen Flansches (24) angeordnet sind.
4. Aufhängevorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das flexible Element (32) mit einem Ende durch eine Öffnung (26) in der Trommel (20) herausragt, und an einer zentralen Buchse (28) der Trommel (20) festgelegt ist.
5. Aufhängevorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das flexible Element (32) ein verstärktes Kunststoffband ist.
6. Aufhängevorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das flexible Element (32) in seinem freien Ende eine Öse (38) oder ein anderes Anschlußteil aufweist, wobei ein aufzuhängender Gegenstand daran befestigt werden kann.
7. Aufhängevorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Federvorrichtung eine Spiralfeder (62) aufweist, die in einer in der Klinkenscheibe (30) vorgesehenen im wesentlichen kreisförmigen Vertiefung (60) aufgenommen ist.
8. Aufhängevorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß eine Klinke (44) frei auf einem Schwenkstift (46) gelagert ist und unter dem Einfluß der Schwerkraft mit der Klinkenscheibe (30) in Eingriff tritt.
9. Aufhängevorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Trommel (20) drehbar auf einem Stutzen (18) gelagert ist, der aus einer Wand (16) des umschließenden Gehäuses (10) hervorragt und daß das flexible Element (32) über einen Schlitz (36) aus dem Gehäuse (10) herausgeführt ist.
EP86300035A 1985-01-12 1986-01-06 Ausziehbare Aufhängevorrichtung Expired EP0193253B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86300035T ATE46609T1 (de) 1985-01-12 1986-01-06 Ausziehbare aufhaengevorrichtung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8500790 1985-01-12
GB858500790A GB8500790D0 (en) 1985-01-12 1985-01-12 Extensible suspension device

Publications (2)

Publication Number Publication Date
EP0193253A1 EP0193253A1 (de) 1986-09-03
EP0193253B1 true EP0193253B1 (de) 1989-09-27

Family

ID=10572766

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86300035A Expired EP0193253B1 (de) 1985-01-12 1986-01-06 Ausziehbare Aufhängevorrichtung

Country Status (4)

Country Link
EP (1) EP0193253B1 (de)
AT (1) ATE46609T1 (de)
DE (1) DE3665808D1 (de)
GB (1) GB8500790D0 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11849832B2 (en) 2018-12-13 2023-12-26 Milwaukee Electric Tool Corporation Lanyard clip

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8622852D0 (en) * 1986-09-23 1986-10-29 Flairmet Ltd Support arrangements
FR2744111B1 (fr) * 1996-01-30 1999-01-22 Tech D Accessoires Specialises Enrouleur de sangle
GB2318670A (en) * 1996-10-22 1998-04-29 Carole Horsman Retractable ceiling mount, eg for a smoke detector
US5836109A (en) * 1996-11-08 1998-11-17 Missry Associates, Inc. Hanging flower planter
GB2320897B (en) * 1997-01-04 2001-06-13 Margaret Arnold Extensible suspension device
GB2345447B (en) * 1999-01-05 2003-04-23 Nicholas Curzon Orgill Golfing accessory
US8245441B1 (en) * 2008-11-25 2012-08-21 Let's Grow Something, LLC Pull-down planter hanger
CN111108625B (zh) 2017-09-25 2023-05-26 米沃奇电动工具公司 具有系索接纳件的电池组和具有快速附接件的拴系件
US11945682B2 (en) 2020-07-17 2024-04-02 Milwaukee Electric Tool Corporation Lanyard with locking arm

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1559092A (en) * 1924-05-02 1925-10-27 Claus W Hallberg Adjustable lamp support
DE726223C (de) * 1939-02-26 1942-10-08 Theod Kraegeloh & Comp Federzuglaufwerk mit selbsttaetiger Sperrung der Schnurrolle
GB723703A (en) * 1953-08-17 1955-02-09 John B Pillin Ltd Improvements in or relating to releasable ratchet mechanism
US2907534A (en) * 1955-03-08 1959-10-06 Stewart Warner Corp Hose reel
DE2053130A1 (de) * 1970-10-29 1972-05-04 Rost, Eugen, 7962 Wolfegg Kabeltrommel
AU511467B2 (en) * 1975-06-23 1980-08-21 King and Edward King William Latching mechanism and winding device
US4202510A (en) * 1978-12-04 1980-05-13 Stanish Walter F Retractable pet leash

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11849832B2 (en) 2018-12-13 2023-12-26 Milwaukee Electric Tool Corporation Lanyard clip

Also Published As

Publication number Publication date
GB8500790D0 (en) 1985-02-13
DE3665808D1 (en) 1989-11-02
ATE46609T1 (de) 1989-10-15
EP0193253A1 (de) 1986-09-03

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