EP2243402A1 - Reihenbegrenzungsvorrichtung zum geordneten Abstellen von Einkaufswagen und dergleichen - Google Patents

Reihenbegrenzungsvorrichtung zum geordneten Abstellen von Einkaufswagen und dergleichen Download PDF

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Publication number
EP2243402A1
EP2243402A1 EP09425152A EP09425152A EP2243402A1 EP 2243402 A1 EP2243402 A1 EP 2243402A1 EP 09425152 A EP09425152 A EP 09425152A EP 09425152 A EP09425152 A EP 09425152A EP 2243402 A1 EP2243402 A1 EP 2243402A1
Authority
EP
European Patent Office
Prior art keywords
bar
lever
pulley
pulleys
trolleys
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.)
Withdrawn
Application number
EP09425152A
Other languages
English (en)
French (fr)
Inventor
Pietro Spillantini
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.)
Cica Srl
Original Assignee
Cica Srl
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 Cica Srl filed Critical Cica Srl
Priority to EP09425152A priority Critical patent/EP2243402A1/de
Publication of EP2243402A1 publication Critical patent/EP2243402A1/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
    • A47F10/00—Furniture or installations specially adapted to particular types of service systems, not otherwise provided for
    • A47F10/02—Furniture or installations specially adapted to particular types of service systems, not otherwise provided for for self-service type systems, e.g. supermarkets
    • A47F10/04—Furniture or installations specially adapted to particular types of service systems, not otherwise provided for for self-service type systems, e.g. supermarkets for storing or handling self-service hand-carts or baskets
    • A47F10/045—Row-length limitation means for stored shopping trolleys

Definitions

  • the object of the present invention is a row-limiter to be used in the storage of trolleys and the like of a type provided with safety locks operable by inserting a coin which remains on board thereof.
  • trolleys used by clients of shops or shopping centres require the provision of storage lanes (usually disposed within parking areas) where the clients of the shopping centres can return the trolley, get back the coin used to pull it out and let the same trolley at the disposal of further clients.
  • the chains carrying the locks's keys are fixed to the same trolleys, and the coin aboard one trolley can be collected only by placing another trolley nested into the first one and fixing the key into the corresponding lock.
  • row-limiter bars are known provided with an internal device for the return of chains coming out of the bar, said device preventing the use of a chain until the previous one closest to the leading side of the storage lane is used.
  • a first object of the present invention is therefore to propose an improved apparatus for reliable operation under any operating condition.
  • a preferred embodiment of the invention comprising a bar 1 of longitudinal development wherein a plurality of pulleys 2 can be inserted in succession.
  • the pulleys are preferably carried by a T-shape support 3 consisting of a cylindrical journal 4 for the rotation of the pulley, and flat base 5 able to be close-fit inside a longitudinal profile 6 for sliding therein (as best seen in section in Fig. 2 ) and be fixed in place by means of pressure screws 7.
  • the bar 1 is provided with ribs 31 for longitudinally stiffening the structure during the operation of the pulleys 2.
  • a pulley 2 Illustrated in greater detail with reference in particular to Figs. 4a-4c is a pulley 2 according to the invention.
  • the pulley 2 is made up of a cylindrical body with a central T-shape hole 10 for receiving the rotary journal 4, and comprises a slotted section 9 around which it is possible to wind up a chain 16, the latter being possibly fixed by one end 17 thereof to a stationary point 15 of the pulley and exiting from the bar 1 with its free end (carrying the key 26) through holes 25 formed to shape in correspondence of the various pulleys 2.
  • a relief having a cam-like surface 8 comprising a circular length T2 having radius R2 coaxial to the axis A of the pulley, and a length T1 lying at reduced radial distance from axis A, preferably of circular shape with radius R1.
  • a stop means 14 consisting, for example, of a screw pivot.
  • a locking element 18 is Illustrated with reference to Figs. 5a and 5b in particular, is a locking element 18 according to the present invention.
  • the element 18 is made up of a lever having a central fulcrum 19 and pivoting about a journal 20 against the action of a return spring 21.
  • the present invention provides for disposing lateral retaining flanges 29 on the pulleys 2, in close proximity of cam 8, which are able to maintain the lever 19 in place also under conditions of high stress.
  • the flange 29 by being disposed in contact with, or anyway in close proximity of cam 8, but exhibiting greater radial dimensions, defines a seat 30 so dimensioned as to allow the lever 19 to be housed therein for a free movement thereof without interference.
  • journal 20 makes part of a T-shape support 22 comprising a flat base 23 that can be slidably inserted with precision along the restrained joint profile 6 of bar 1, and fixed in place by means of pressure screws 24.
  • the assembling of the apparatus requires the insertion in sequence along the restrained joint 6 of a first T-shape support 5 for one pulley, a T-shape support 22 for a lever 19, and then a second pulley support 5 being spaced by a predetermined extent from the first one.
  • the holes 25 have a chain-guide 30 of extended shape formed inside the bar 1.
  • the inner section of the chain-guide 30 is cylindrical or slightly conical and extends over a length approximately equal to a ring of the chain 16 to facilitate a linear sliding of the same chain upon quick displacements.
  • the pulleys can be mounted on the pivots 4, along with respective springs 11, and the levers 19 can be mounted on pivots 20, also with respective springs 21, to result disposed at an inclination and in contact with the cams 8 of two adjacent pulleys.
  • each lever 19 results into abutment, with a first end 27 thereof, onto the upper part of cam 8 of the pulley being on its right side, and by the second end 28 thereof onto the lower part of cam 8 of the pulley on its left side.
  • the lever is housed laterally, between the pulley 2 and the flange 29, within the seat 30.
  • the end 28 of lever 19 exhibits a circular profile conjugated to the radius R2 of the length T2 of cam 8.
  • the chains 16 are all initially wound onto the pulleys 2 in the configuration of pulley P1 shown in Fig. 1 , hereinafter to be referred to, for the sake of clarity, as “external” pulley, that is, inserted into the bar 1 following an “internal” pulley P3 and an “intermediate” pulley P2 being there between in the direction of insertion of the trolleys into the corresponding storage sites.
  • the chain 16 is wound onto the pulley P1 and the locking lever 19 is in contact, on one side, with the length T1 of the cam 8 of the adjacent pulley P2 immediately internal thereto (the latter being in wound chain asset as well), and on the other side, with a portion of the cam 8 of the pulley P1 close to the striker or stop means 14.
  • cam 8 is such that once the lever 19 comes in contact with the length T2 thereof, the position of the same lever remains unchanged thus making it possible a withdrawal of the chain over an extent greater than in any other known solution.
  • An apparatus according to the present invention achieves major advantages.
  • a first advantage lies in the fact that, by utilizing the retaining flange 29, any lateral deviation or deformation of the levers 19 is prevented in case the latter are stressed in use by heavy loads and high speeds.
  • a second advantage of the apparatus according to the present invention lies in the fact that, by utilizing chain-guides 30 of extended shape, there is ensured a correct sliding of the chain 16 through the holes 25 also in the presence of high speeds thereof.

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  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
EP09425152A 2009-04-23 2009-04-23 Reihenbegrenzungsvorrichtung zum geordneten Abstellen von Einkaufswagen und dergleichen Withdrawn EP2243402A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09425152A EP2243402A1 (de) 2009-04-23 2009-04-23 Reihenbegrenzungsvorrichtung zum geordneten Abstellen von Einkaufswagen und dergleichen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09425152A EP2243402A1 (de) 2009-04-23 2009-04-23 Reihenbegrenzungsvorrichtung zum geordneten Abstellen von Einkaufswagen und dergleichen

Publications (1)

Publication Number Publication Date
EP2243402A1 true EP2243402A1 (de) 2010-10-27

Family

ID=41011826

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09425152A Withdrawn EP2243402A1 (de) 2009-04-23 2009-04-23 Reihenbegrenzungsvorrichtung zum geordneten Abstellen von Einkaufswagen und dergleichen

Country Status (1)

Country Link
EP (1) EP2243402A1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2612063A1 (fr) * 1987-03-13 1988-09-16 Fayolle Fils Entreprise J Dispositif de rangement de chariots
DE9306075U1 (de) * 1993-04-22 1993-06-09 Wanzl Gmbh & Co Entwicklungs-Kg, 8874 Leipheim, De
DE4330255A1 (de) * 1993-09-07 1995-03-09 Wanzl Entwicklung Gmbh Verfahren und Einrichtung zur Freigabe und Entgegennahme von platzsparend ineinanderschiebbaren Transportwagen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2612063A1 (fr) * 1987-03-13 1988-09-16 Fayolle Fils Entreprise J Dispositif de rangement de chariots
DE9306075U1 (de) * 1993-04-22 1993-06-09 Wanzl Gmbh & Co Entwicklungs-Kg, 8874 Leipheim, De
DE4330255A1 (de) * 1993-09-07 1995-03-09 Wanzl Entwicklung Gmbh Verfahren und Einrichtung zur Freigabe und Entgegennahme von platzsparend ineinanderschiebbaren Transportwagen

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