WO2006035423A2 - Distributeurs de cordeau enduit de craie jetables - Google Patents

Distributeurs de cordeau enduit de craie jetables Download PDF

Info

Publication number
WO2006035423A2
WO2006035423A2 PCT/IL2005/000983 IL2005000983W WO2006035423A2 WO 2006035423 A2 WO2006035423 A2 WO 2006035423A2 IL 2005000983 W IL2005000983 W IL 2005000983W WO 2006035423 A2 WO2006035423 A2 WO 2006035423A2
Authority
WO
WIPO (PCT)
Prior art keywords
string
dispensing container
dispensing
spool
casing
Prior art date
Application number
PCT/IL2005/000983
Other languages
English (en)
Other versions
WO2006035423A3 (fr
Inventor
Paul Steiner
Amy Levinson
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 WO2006035423A2 publication Critical patent/WO2006035423A2/fr
Publication of WO2006035423A3 publication Critical patent/WO2006035423A3/fr

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
    • B65H49/02—Methods or apparatus in which packages do not rotate
    • B65H49/04—Package-supporting devices
    • B65H49/06—Package-supporting devices for a single operative package
    • B65H49/08—Package-supporting devices for a single operative package enclosing the package
    • 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
    • B65H75/40—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 mobile or transportable
    • B65H75/406—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 mobile or transportable hand-held during use
    • 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
    • B65H75/4431—Manual stop or release button
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/35—Ropes, lines
    • B65H2701/357—Marking strings, e.g. pre-inked lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/50—Storage means for webs, tapes, or filamentary material
    • B65H2701/53—Adaptations of cores or reels for special purposes
    • B65H2701/537—Stopping the winding or unwinding of reels which do not feature spring motors

Definitions

  • the invention is in the field of chalk line dispensers.
  • Chalk line dispensers are geared more for the professional tradesman than the Do-It- Yourselfer.
  • Chalk line dispensers are typically designed to provide several years of reliable service and to be periodically refilled with ground chalk.
  • Chalk line dispensers typically include heavy duty string but continuous heavy use eventually leads to even heavy duty string becoming frayed or even snapping.
  • Some top of the range 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/Layout/Chalk/Chalk.html.
  • Chalk line dispensers are illustrated and described in inter alia US Patent No. 4,197,656 to Lane et al., 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. 5,822,874 to Nemes, US Patent No. 6,079,112 to Love, US Patent No. 6,098,299 to Collins et al., US Patent No. 6,167,632 to Shor, US Patent No. 6,289,597 to Beyers, US Patent No. 6,345,448 to Chontos, US Design Patent No. D313,561 to van Slyke, US Design Patent No. D445,045 to Olson, US Design Patent No. D477,785 to Szumer, and US Design Patent No. D477,786 to Szumer.
  • the present invention is for chalk line dispensers intentionally disposable after a small chalk line marking job or after exhausting either their initial supply of ground chalk or string.
  • a first preferred embodiment of the present invention is implemented in a similar manner to a dental floss dispenser, namely, lengths of chalked string are intended to be pulled from a dispensing container for immediate use before being immediately cut and discarded. Small lengths of sufficiently chalked string may be wound around a cleat for subsequent use.
  • a second preferred embodiment of the present invention enables re-winding of string back into a dispensing container for re-chalking in a similar manner to a conventional chalk line dispenser.
  • the second preferred embodiment of the present invention differs from conventional refillable counterparts by virtue of a particularly low cost design with a minimal number of parts.
  • Fig. 1 is a partially cut away front perspective view of a chalk line dispenser in its initial closed state in accordance with a first preferred embodiment of the present invention
  • Fig. 2 is a rear perspective view of Figure l's chalk line dispenser in its initial open state
  • FIG. 3 shows the use of Figure l 's chalk line dispenser;
  • Fig. 4 shows a length of spent string being cut;
  • Fig. 5 is a partially cutaway front perspective view of a second preferred embodiment of a chalk line dispenser in accordance with the present invention.
  • Fig. 6 is a first exploded view of Figure 5's chalk line dispenser
  • Fig. 7 is a second exploded view of Figure 5's chalk line dispenser
  • Fig. 8 is a cross section of Figure 5's chalk line dispenser along line A-A in Figure 5;
  • Fig. 9 is a cross section of Figure 5's chalk line dispenser along line A-A in Figure 5 in an operative state for pulling chalked string for chalk line marking purposes.
  • 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.
  • the dispensing container 11 contains a non-replenishable supply of ground white or colored chalk 13 and a non-replaceable supply of string 14, preferably cotton and multi strand, wound on itself, with no core, and having a loose end 16, and is sealed by a mounded plastic dispensing cap 17.
  • the dispensing cap 17 has a top surface 18 with a channel 19 formed with a dispensing aperture 21 fitted with a felt washer 22 (not shown) through which chalked string 14 can be pulled for chalking purposes.
  • the felt washer 22 ensures that string pulled from the dispensing container 11 is sufficiently chalked for chalking purposes but excess chalk remains in the dispensing container 11 for subsequent use.
  • the dispensing cap 17 includes a string hook 23 for interference fitting into the channel 19.
  • the string hook 23 includes a stopper 24 for sealing the dispensing aperture 21, and an eye 26 for hooking onto a fixed member such as a nail, a screw, or the like.
  • the dispensing cap 17 includes a cleat 27 around which string 14 can be wound for tensioning purposes and also to allow the dispensing container 11 to act as a plumb bob.
  • the dispensing cap 17 includes a slot 28 fitted with a cutting device 29 preferably in the form of a flat metal plate 31 with a raised tab 32 similar to a dental floss dispenser.
  • a user purchases the chalk line dispenser 10 in its closed state (see Figure 1) and prepares it ready for use by pulling off the string hook 23 and tying it onto the string's loose end 16.
  • the user replaces the string hook 23 to seal the dispensing aperture 21, and shakes the dispensing container 11 to transfer chalk 13 onto the string 14.
  • the user removes the string hook 23 and hooks it onto a fixed member, and walks away to pull chalked string 14 from the dispensing container 11.
  • the user wraps some of the chalked string 14 round the cleat 27 such that he can tension the chalked string 14.
  • the user then twangs the chalked string 14 to deposit a chalk line at the desired location.
  • a chalk line dispenser 50 includes a dispensing container
  • the spool 56 includes a blind hollow spindle 61 with an open end 62, and a closed end 63, and a pair of annular flanges 64 and 66.
  • the flange 64 has an exterior surface 67 with elongated spacers 68 extending radially outwards from the open end 62 and having outwardly facing bulbous free ends 68A.
  • the flange 66 has an exterior surface 69 with an annular array of saw shaped teeth 71 (constituting engaging members) adjacent the closed end 63.
  • the casing 52 has an interior surface 72 against which the spacers' free ends 68A bear, a rim 73 with a peripheral groove 74, a central circular projection 76 for rotatably supporting into the spindle's open end 62, and a dispensing aperture 77 through which string 57 passes into and out of the dispensing container 51.
  • the dispensing aperture 77 includes a felt washer 77A for ensuring that string pulled from the dispensing container 11 is sufficiently chalked for chalking purposes but excess chalk remains in the dispensing container 51 for subsequent use.
  • the casing 53 has an interior surface 78 with a central aperture 79 for rotatably supporting the spindle's closed end 63 which protrudes therethrough, and a rim 81 for snap fit insertion into the peripheral groove 74 thereby peripherally attaching casing 53 to casing 52.
  • the interior surface 78 is formed with an annular array of recesses 82 (constituting engaging members) for selectively engaging teeth 71.
  • Snap fit assembly of the chalk line dispenser 50 causes the spacers 68 to axially urge the spool 56 to a natural axial position away from the casing 52 towards the casing 53 whereupon the teeth 71 engage the recesses 82 precluding pulling out chalked string even on application of reasonable force (see Figure 8).
  • Axial depression on the closed end 63 towards the casing 52 urges the spool 56 from its natural axial position to a biased axial position by virtue of the elastic deformation of the spacers 68 at their roots adjacent the spindle's free end 62 (see Figure 9).
  • the spacer 68 bend inwards in the spool's biased axial position towards the spool's interior thereby releasing the spool 56 from the braking action of the teeth 71 whereupon the spool 56 is free to rotate.
  • the user will feel the spindle's closed end 63 turning under his thumb as chalked string is pulled of the dispensing container 51.
  • the user is free to twang the taut chalked string to deposit a chalk line at a desired location.
  • the user holds the casing 52 and applies sufficient force to overcome the friction between the rim 81 in the groove 74 to cause the casing 53 to rotate relative to the casing 52 in a clockwise rewinding direction to rewind the string 57 back onto the spool 56. While the invention has been described with respect to a limited number of embodiments, it will be appreciated that many variations, modifications, and other applications of the invention can be made within the scope of the appended claims.

Landscapes

  • Pens And Brushes (AREA)
  • Closures For Containers (AREA)

Abstract

La présente invention concerne des distributeurs de cordeau enduit de craie jetables comprenant un contenant de distribution dans lequel est placée une alimentation non remplissable de craie broyée servant à entourer de craie une alimentation en cordeau non remplaçable, afin que le cordeau enduit de craie puisse être tiré du contenant de distribution à des fins de marquage au cordeau enduit de craie.
PCT/IL2005/000983 2004-09-29 2005-09-14 Distributeurs de cordeau enduit de craie jetables WO2006035423A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61396604P 2004-09-29 2004-09-29
US60/613,966 2004-09-29

Publications (2)

Publication Number Publication Date
WO2006035423A2 true WO2006035423A2 (fr) 2006-04-06
WO2006035423A3 WO2006035423A3 (fr) 2006-05-04

Family

ID=35794048

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2005/000983 WO2006035423A2 (fr) 2004-09-29 2005-09-14 Distributeurs de cordeau enduit de craie jetables

Country Status (1)

Country Link
WO (1) WO2006035423A2 (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
WO2018060795A1 (fr) * 2016-09-30 2018-04-05 Pneumrx Inc. Contenants pour dispositifs médicaux

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US680557A (en) * 1901-04-18 1901-08-13 Harry H Wilson Chalk-line holder.
US1557031A (en) * 1923-10-25 1925-10-13 Conway Elisha Asbury Chalk line
US4606134A (en) * 1985-11-04 1986-08-19 Flick Robert A Disposable striking line dispenser
US4844373A (en) * 1987-12-18 1989-07-04 Fike Sr Richard A Line storage and dispensing device
US6079112A (en) * 1998-03-04 2000-06-27 Love; Brian C. Powder chalk line dispenser with demounted chalk reservoir
US20020194744A1 (en) * 1999-03-25 2002-12-26 Ron Shor Chalk line device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US680557A (en) * 1901-04-18 1901-08-13 Harry H Wilson Chalk-line holder.
US1557031A (en) * 1923-10-25 1925-10-13 Conway Elisha Asbury Chalk line
US4606134A (en) * 1985-11-04 1986-08-19 Flick Robert A Disposable striking line dispenser
US4844373A (en) * 1987-12-18 1989-07-04 Fike Sr Richard A Line storage and dispensing device
US6079112A (en) * 1998-03-04 2000-06-27 Love; Brian C. Powder chalk line dispenser with demounted chalk reservoir
US20020194744A1 (en) * 1999-03-25 2002-12-26 Ron Shor Chalk line device

Cited By (5)

* 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
WO2018060795A1 (fr) * 2016-09-30 2018-04-05 Pneumrx Inc. Contenants pour dispositifs médicaux
US10543053B2 (en) 2016-09-30 2020-01-28 Pneumrx, Inc. Containers for medical devices

Also Published As

Publication number Publication date
WO2006035423A3 (fr) 2006-05-04

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