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WO2007113811A1 - Distributeur de ligne de craie jetable - Google Patents

Distributeur de ligne de craie jetable Download PDF

Info

Publication number
WO2007113811A1
WO2007113811A1 PCT/IL2007/000408 IL2007000408W WO2007113811A1 WO 2007113811 A1 WO2007113811 A1 WO 2007113811A1 IL 2007000408 W IL2007000408 W IL 2007000408W WO 2007113811 A1 WO2007113811 A1 WO 2007113811A1
Authority
WO
WIPO (PCT)
Prior art keywords
aperture
string
chalk
dispensing
chalked
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
PCT/IL2007/000408
Other languages
English (en)
Inventor
Paul Steiner
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.)
Kapro Industries Ltd
Original Assignee
Kapro Industries 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 Kapro Industries Ltd filed Critical Kapro Industries Ltd
Publication of WO2007113811A1 publication Critical patent/WO2007113811A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
    • B44D3/38—Cord line chalkers

Definitions

  • the invention is in the field of chalk line dispensers.
  • Chalk line dispensers are designed for enabling users to draw out lengths of chalked string for line marking operations. Some chalk line dispensers include rewinding mechanisms for rewinding used chalked string for re-use, and cutting members for cutting worn string. Other chalk line dispensers do not have
  • Some chalk line dispensers have replaceable spools of string to extend their lifetime.
  • a range of commercially available chalk line dispensers can be viewed online inter alia at Applicant's website http ://www.kapro.com/products/Lay out/Chalk/Chalk.html.
  • Chalk line dispensers are illustrated and described in inter alia US Patent No, 680,557 to Wilson, US Patent No. 1,557,031 to Conway, US Patent No. 4,197,656 to Lane et al, US Patent No. 4,606,134 to Flick., US Patent No, 4,844,373 to Fike, Sr,, US Patent No. 5,493,787 to Owens, US Patent No. 5,644,852 to Fuller et al., US Patent No. 5,683,055 to Dufour, US Patent No. 5,727,324 to Moore, US Patent No. 5,S22,874 to Nemes, US Patent No. 6,079,112 to Love, US Patent No. 6,098,299 to Collins et al., US Patent No.
  • the present invention is for chalk line dispensers including an upright dispensing container having a string containing compartment with a non- rewindable supply of string, a chalk filled compartment above the string containing compartment, and a dispensing cap above the chalk filled compartment and having a dispensing aperture for enabling chalked string to be manually drawn from the chalk line dispenser.
  • the chalk line dispensers do not include a rewinding mechanism for rewinding chalked string after use and include a cutting member for cutting off used lengths of chalked string after a chalk line operation irrespective of whether the string is still in good enough condition for re-use.
  • the chalk line dispensers include a hand operated closure member for manipulation between an open position and a closed position for correspondingly enabling and disabling chalked string to be pulled for a line marking operation.
  • Suitable hand operated closure members include inter alia a finger operated slide slidingly reciprocal between open and closed positions, a plug for sealing insertion into a dispensing aperture, and the like.
  • the chalk line dispensers are intended to be disposed after exhaustion of either its initial supply of string or its initial supply of ground chalk.
  • Fig. 1 is a perspective view of a chalk line dispenser with a finger mounted slide for opening and closing a dispensing aperture;
  • Fig. 2 is an exploded view of Figure 1 's chalk line dispenser
  • Fig. 3 is a longitudinal cross section of Figure l's chalk line dispenser in its closed state along line A-A in Figure 1
  • Fig. 4 is a longitudinal cross section of Figure l 's chalk line dispenser in its open state along line A-A in Figure 1;
  • Fig. 5 is a perspective view of a chalk line dispenser with a plug for sealing insertion into a dispensing aperture.
  • Figures 1 and 2 show a chalk line dispenser 10 including an upright injection moulded or blow moulded plastic open topped cylindrical dispensing container 11 with a bottom surface 12 on which the dispensing container 11 stands, and a rim 13.
  • the rim 13 supports a chalk filled cup 14 constituting a chalk filled compartment above a string containing compartment 16 including an upright bobbin 17 of a non-rewindable supply of string 18, preferably cotton and multi strand, and having a loose end 18A (see Figures 3 and 4).
  • the chalk filled cup 14 is initially filled with a supply of ground white or colored chalk.
  • the chalk filled cup 14 has a runnel-like bottom surface 19 formed with an aperture 21 for passage of string 18 therethrough (see Figures 3 and 4).
  • the aperture 21 is covered by an annular felt washer 22 having an aperture 23 in registration with the aperture 21 for passage of string 18 therethrough.
  • the felt washer 22 ensures that chalk remains in the chalk filled cup 14 and does not fall into the string containing compartment 16 since it may interfere with the unraveling of string from the bobbin 17 as it is pulled from the chalk line dispenser 10.
  • the dispensing container 11 is sealed by a plastic dispensing cap 24 with a top surface 26 and a peripheral surface 27.
  • the top surface 26 has a chalked string dispensing aperture 28 with a figure of eight shaped rim 29 with a narrow midsection 31 dividing the dispensing aperture 28 into a leading aperture 32 close to the peripheral surface 27, and a trailing aperture 33 remote from the peripheral surface 33.
  • Chalked string 18 passing through the chalked filled cup 14 passes through the trailing aperture 33.
  • a finger operated slide 34 has a downward depending hollow mount 34A for mounting on a flexible upright support 36 extending upwards from the chalk filled cup's bottom surface 19.
  • the slide 34 is slidingly deployed in the dispensing aperture 28 and is manually positively reciprocal by virtue of the narrow midsection 31 between a closed position in the trailing aperture 33 and an open position in the leading aperture 32.
  • the slide 34 covers both the leading aperture 32 and the trailing aperture 33 in its closed position and traps string 18 against the rim 29 thereby preventing string 18 to be drawn from the bobbin 17 (see Figure 3).
  • the slide 34 exposes the trailing aperture 33 in its open position thereby enabling string 18 to be freely drawn from the bobbin 17 (see Figure 4),
  • the upright support 36 is inclined towards the peripheral surface 27 in the slide's open position.
  • a second felt washer 37 with an aperture 38 is mounted on the upright
  • the peripheral surface 27 has a slot 39 fitted with a cutting member 41 preferably in the form of a flat metal plate for cutting used lengths of chalked string similar to a dental floss dispenser.
  • the dispensing cap 24 is fitted with a string hook 42 for snap fitting onto a projection 43.
  • the string hook 42 includes an eye 44 for hooking onto a fixed member such as a nail, a screw, or the like, and enabling the chalk line dispenser 10 to act as a plumb bob in its closed state, and a tab 46 for enabling its removal from the dispensing cap 24.
  • a user purchases the chalk line dispenser in its closed state with a free end of string purchases the chalk line dispenser in its closed state with a free end of string (see Figure 3).
  • the user removes the string hook and ties the string's free end onto it.
  • the user hooks the string hook onto a fixed member, snaps the slide into its open position (see Figure 4), and walks away from the fixed member to pull chalked string from the dispensing container.
  • the user snaps the slide into its closed position so that he can tension the chalked string and then twangs the chalked string to deposit a chalk line at the desired location.
  • the user can re-use the same length of chalked string for another job if it is still sufficiently chalked or cut it using the cutting member.
  • the user repeats the above for different jobs.
  • the user discards the chalk line dispenser after exhausting the initial supply of chalk or string.
  • FIG. 5 shows a chalk line dispenser 50 similar to the chalk line dispenser 10 and therefore similar parts are likewise numbered.
  • the chalk line dispenser 50 differs from the chalk line dispenser 10 insofar that the former has a plug 51 connected to the dispensing container 11 by a flexible cord 52 for closing a dispensing aperture 53.

Landscapes

  • Closures For Containers (AREA)

Abstract

L'invention concerne un distributeur de ligne de craie comprenant un contenant de distribution dirigé vers le haut comportant un compartiment contenant de la ficelle comportant un approvisionnement de ficelle ne pouvant être enroulée à nouveau, un compartiment rempli de craie au-dessus du compartiment contenant la ficelle, et une tête de distribution au-dessus du compartiment rempli de craie et comportant une ouverture de distribution pour le passage de la ficelle enduite de craie au travers. Le distributeur de ligne de craie comprend un élément de fermeture actionné à la main manipulable entre une position ouverte et une position fermée, pour permettre ou interdire respectivement à la ficelle enduite de craie d'être tirée au travers de l'ouverture de distribution lors d'une opération de marquage de ligne, et un élément coupant conçu pour couper les longueurs utilisées de ficelle enduite de craie.
PCT/IL2007/000408 2006-04-05 2007-03-29 Distributeur de ligne de craie jetable Ceased WO2007113811A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US78916506P 2006-04-05 2006-04-05
US60/789,165 2006-04-05

Publications (1)

Publication Number Publication Date
WO2007113811A1 true WO2007113811A1 (fr) 2007-10-11

Family

ID=38189856

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2007/000408 Ceased WO2007113811A1 (fr) 2006-04-05 2007-03-29 Distributeur de ligne de craie jetable

Country Status (1)

Country Link
WO (1) WO2007113811A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2420390A1 (fr) * 2010-08-18 2012-02-22 Hultafors AB Dispositif de cordeau traceur avec un détenteur d'agrafe
US9815320B2 (en) 2014-10-02 2017-11-14 Milwaukee Electric Tool Corporation Chalk line device
WO2020191187A1 (fr) * 2019-03-19 2020-09-24 Apex Brands, Inc. Boîte à craie ayant un ensemble siège de crochet d'extrémité

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH127594A (de) * 1927-10-21 1928-09-01 Veronika Huerlimann Schlagschnurwinde.
US4606134A (en) * 1985-11-04 1986-08-19 Flick Robert A Disposable striking line dispenser

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH127594A (de) * 1927-10-21 1928-09-01 Veronika Huerlimann Schlagschnurwinde.
US4606134A (en) * 1985-11-04 1986-08-19 Flick Robert A Disposable striking line dispenser

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2420390A1 (fr) * 2010-08-18 2012-02-22 Hultafors AB Dispositif de cordeau traceur avec un détenteur d'agrafe
US9815320B2 (en) 2014-10-02 2017-11-14 Milwaukee Electric Tool Corporation Chalk line device
US10245881B2 (en) 2014-10-02 2019-04-02 Milwaukee Electric Tool Corporation Chalk line device
WO2020191187A1 (fr) * 2019-03-19 2020-09-24 Apex Brands, Inc. Boîte à craie ayant un ensemble siège de crochet d'extrémité
US11897280B2 (en) 2019-03-19 2024-02-13 Apex Brands, Inc. Chalk box with end hook seating assembly
US12319085B2 (en) 2019-03-19 2025-06-03 Apex Brands, Inc. Chalk box with end hook seating assembly

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