WO1994021019A1 - Recoil cable reel - Google Patents

Recoil cable reel Download PDF

Info

Publication number
WO1994021019A1
WO1994021019A1 PCT/GB1994/000438 GB9400438W WO9421019A1 WO 1994021019 A1 WO1994021019 A1 WO 1994021019A1 GB 9400438 W GB9400438 W GB 9400438W WO 9421019 A1 WO9421019 A1 WO 9421019A1
Authority
WO
WIPO (PCT)
Prior art keywords
cable
drum
recoil
reel
cable reel
Prior art date
Application number
PCT/GB1994/000438
Other languages
French (fr)
Inventor
Michael Corcoran
Original Assignee
Michael Corcoran
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 Michael Corcoran filed Critical Michael Corcoran
Priority to AU61482/94A priority Critical patent/AU6148294A/en
Publication of WO1994021019A1 publication Critical patent/WO1994021019A1/en

Links

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
    • B65H75/40—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
    • 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
    • B65H75/4457—Arrangements of the frame or housing
    • B65H75/4471—Housing enclosing the reel
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
    • H02G11/02—Arrangements of electric cables or lines between relatively-movable parts using take-up reel or drum

Definitions

  • This invention relates to a recoil cable reel.
  • Cable reels are well known in the electrical accessory market, they are used to contain usually 10 amp cable on a drum with a framework around the drum forming a stand and a handle. Usually these products have a handle to wind the electrical cable back onto the drum. Retractable cable reels are used in vacuum cleaners to recover the cable back onto the drum by means of a spring.
  • a recoil cable reel comprising a rotatable drum that will only accept one layer of cable per revolution.
  • the drum is well ventilated both top and bottom so allowing the heat generated in the cable to be dissipated to the air so allowing the reel to be used when fully wound.
  • the cable reel may be used with power tools to enable the user of said tools to move freely about the workshop home or garden.
  • the drum may be fixed to a coil spring.
  • the advantage gained by making the drum flat and thin as well as having a very long spring is that the cable is very easy to pull away from the reel at the start point due to the mechanical advantage of the very large diameter drum. At this point any drag on the cable is low; at full extension the cable can still be held comfortably by the hand, ie a maximum force equivalent to about 1 to 3 kilos.
  • the power in the spring is at a maximum and the drum is at a minimum diameter so giving an easy pull back overcoming the increased friction of the length of cable being pulled over the ground.
  • the drum is attached to running electrical contacts so supplying power between moving drum and fixed base.
  • the cable reel When used in a garden the cable reel may be secured by means of a stake.
  • Fig. 1 shows a cross-section through the device
  • Fig. 2 shows a perspective view of the recoil cable reel
  • Fig. 3 shows an exploded assembly.
  • Figs. 1 and 3 show an embodiment of a recoil cable reel according to the present invention.
  • the device comprises a drum 9 which can rotate about a stake 1 which would, in use by driven into the ground in order to secure the reel.
  • Cable 6 may be wound onto the drum and the drum is configured so that each rotation of the drum winds or unwinds on a single layer of cable 6 onto the drum 9.
  • the drum 9 is mounted upon an electrical connector block 3 which is attached to the stake 1 and includes running electrical contacts 8 so that power can be supplied between the stationary elements of the reel and the drum.
  • the drum is mounted in a casing comprising a drum case base 2 which is attached to the stake 1 and protects the drum from contacting the surface upon which the device rests, and a drum case top 4 which also protects the drum 9.
  • a coil spring 7 is provided. This provides a force to the drum 9 tending to keep the cable 6 wound on the drum 9, and enabling the cable reel to retract the cable when the tension of the cable 6 not wound onto the drum is sufficiently small.
  • the spring 7 is covered by a spring cover 5 which is provided below the drum case top 4.
  • the drum 9 is essentially cylindrical and has a relatively large diameter but a small axial length.
  • the axial length of the drum is of the order of the diameter of the cable to be wound on the drum and is less than twice the diameter of the cable.
  • Figure 2 shows a perspective view of an embodiment of a cable reel according to the present invention.
  • the drum 9 and drum case top 4 is shaped so as to allow good ventilation of the cable 6.

Landscapes

  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)

Abstract

A recoil cable reel that can be fixed to grass by means of a stake (1) the cable (6) is re-wound on to the drum (9) repeatedly by means of a spring (7), whilst using tools in the garden environment.

Description

"Recoil Cable Reel"
This invention relates to a recoil cable reel.
Cable reels are well known in the electrical accessory market, they are used to contain usually 10 amp cable on a drum with a framework around the drum forming a stand and a handle. Usually these products have a handle to wind the electrical cable back onto the drum. Retractable cable reels are used in vacuum cleaners to recover the cable back onto the drum by means of a spring.
One problem with winding, for example, 15 meters of 1 mm square 10 amp cable on to a drum were the cables are repeatedly wrapped over and around each other when the cable is loaded, is that the cable can not be used in its wound state because the cable will over heat due mainly to insufficient ventilation.
According to the present invention there is provided a recoil cable reel comprising a rotatable drum that will only accept one layer of cable per revolution. Preferably, the drum is well ventilated both top and bottom so allowing the heat generated in the cable to be dissipated to the air so allowing the reel to be used when fully wound.
The cable reel may be used with power tools to enable the user of said tools to move freely about the workshop home or garden.
The drum may be fixed to a coil spring. The advantage gained by making the drum flat and thin as well as having a very long spring is that the cable is very easy to pull away from the reel at the start point due to the mechanical advantage of the very large diameter drum. At this point any drag on the cable is low; at full extension the cable can still be held comfortably by the hand, ie a maximum force equivalent to about 1 to 3 kilos. When the cable is wound back the power in the spring is at a maximum and the drum is at a minimum diameter so giving an easy pull back overcoming the increased friction of the length of cable being pulled over the ground.
Preferably, the drum is attached to running electrical contacts so supplying power between moving drum and fixed base.
When used in a garden the cable reel may be secured by means of a stake.
An embodiment of the invention will now be described, by way of example, with reference to the accompanying drawings in which:
Fig. 1 shows a cross-section through the device; Fig. 2 shows a perspective view of the recoil cable reel; and Fig. 3 shows an exploded assembly.
Figs. 1 and 3 show an embodiment of a recoil cable reel according to the present invention. The device comprises a drum 9 which can rotate about a stake 1 which would, in use by driven into the ground in order to secure the reel. Cable 6 may be wound onto the drum and the drum is configured so that each rotation of the drum winds or unwinds on a single layer of cable 6 onto the drum 9.
The drum 9 is mounted upon an electrical connector block 3 which is attached to the stake 1 and includes running electrical contacts 8 so that power can be supplied between the stationary elements of the reel and the drum.
The drum is mounted in a casing comprising a drum case base 2 which is attached to the stake 1 and protects the drum from contacting the surface upon which the device rests, and a drum case top 4 which also protects the drum 9.
A coil spring 7 is provided. This provides a force to the drum 9 tending to keep the cable 6 wound on the drum 9, and enabling the cable reel to retract the cable when the tension of the cable 6 not wound onto the drum is sufficiently small. The spring 7 is covered by a spring cover 5 which is provided below the drum case top 4.
The drum 9 is essentially cylindrical and has a relatively large diameter but a small axial length. The axial length of the drum is of the order of the diameter of the cable to be wound on the drum and is less than twice the diameter of the cable. Thus, when the cable 6 is wound onto the drum 9 a single layer of cable is wound onto the drum 9 with each revolution of the drum 9.
Figure 2 shows a perspective view of an embodiment of a cable reel according to the present invention.
The drum 9 and drum case top 4 is shaped so as to allow good ventilation of the cable 6.

Claims

1 A recoil cable reel comprising a rotatable drum on which cable may be wound wherein the drum is configured to wind or unwind a single layer of cable with each revolution of said drum.
2 A recoil cable reel as claimed in Claim 1 comprising a stake which can be used to secure said recoil cable reel.
3 A recoil cable reel as claimed in either of the preceding Claims wherein the drum is provided with perforations or apertures to allow the cable to be ventilated.
4 A recoil cable reel as claimed in any preceding Claim wherein the cable may have current flowing while said cable is wound on and off the drum.
5 A recoil cable reel as claimed in any preceding Claim wherein there is a spring to power the recoil action of the drum.
6 A recoil cable reel as claimed in Claim 5 wherein the spring is a coil spring.
7 A recoil cable reel as Claimed in any preceding Claim wherein the current is supplied to the drum by sliding contacts.
8 A recoil cable reel, comprising a drum, that can be secured to the ground by means of a stake, wherein there is provided a spring means to rewind cable onto the drum, thus taking up slack in the cable, whilst allowing the cable to be unwound from the drum by pulling upon the cable.
9 A recoil cable reel as in Claim 1 or 2 where in the purpose is to stop a user from cutting the cable of a electric garden mower that the reel is attached to by means of the reel holding the cable away from the mower by means of the sprung action of the reel.
10 A recoil cable reel substantially as described herein with reference to Figs. 1-3 of the accompanying drawings.
PCT/GB1994/000438 1993-03-06 1994-03-07 Recoil cable reel WO1994021019A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU61482/94A AU6148294A (en) 1993-03-06 1994-03-07 Recoil cable reel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939304631A GB9304631D0 (en) 1993-03-06 1993-03-06 Retractable cable reel
GB9304631.6 1993-03-06

Publications (1)

Publication Number Publication Date
WO1994021019A1 true WO1994021019A1 (en) 1994-09-15

Family

ID=10731618

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1994/000438 WO1994021019A1 (en) 1993-03-06 1994-03-07 Recoil cable reel

Country Status (3)

Country Link
AU (1) AU6148294A (en)
GB (1) GB9304631D0 (en)
WO (1) WO1994021019A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005070801A1 (en) * 2004-01-26 2005-08-04 Oernskar Gunnar Anton A cabling spool and a method for spooling, coiling and storing of a cable
CN100438230C (en) * 2006-07-03 2008-11-26 韩京姬 Winder

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2387556A (en) * 1944-01-10 1945-10-23 Swartzbaugh Mfg Company Retracting cord reel
DE836519C (en) * 1950-03-23 1952-04-15 Albert Himmler Cable reel for electrical devices
FR1386324A (en) * 1963-11-16 1965-01-22 Flat flexible electric wire and its magnasin-reel suitable for all light and mobile electrical devices
DE2620924A1 (en) * 1976-05-12 1977-11-24 Seger & Angermeyer Desco Werk Small cable spool mechanism - has two circular guides directing pawl head into locking recess to prevent sprung drum rewinding cable (NL 15.11.77)
DE3219162A1 (en) * 1982-05-21 1983-12-15 Schumm Erich Gmbh Device with at least two holders, between which a band or a cord can be tensioned
GB2239648A (en) * 1989-12-08 1991-07-10 Anthony Cartledge An extension lead

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2387556A (en) * 1944-01-10 1945-10-23 Swartzbaugh Mfg Company Retracting cord reel
DE836519C (en) * 1950-03-23 1952-04-15 Albert Himmler Cable reel for electrical devices
FR1386324A (en) * 1963-11-16 1965-01-22 Flat flexible electric wire and its magnasin-reel suitable for all light and mobile electrical devices
DE2620924A1 (en) * 1976-05-12 1977-11-24 Seger & Angermeyer Desco Werk Small cable spool mechanism - has two circular guides directing pawl head into locking recess to prevent sprung drum rewinding cable (NL 15.11.77)
DE3219162A1 (en) * 1982-05-21 1983-12-15 Schumm Erich Gmbh Device with at least two holders, between which a band or a cord can be tensioned
GB2239648A (en) * 1989-12-08 1991-07-10 Anthony Cartledge An extension lead

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005070801A1 (en) * 2004-01-26 2005-08-04 Oernskar Gunnar Anton A cabling spool and a method for spooling, coiling and storing of a cable
CN100438230C (en) * 2006-07-03 2008-11-26 韩京姬 Winder

Also Published As

Publication number Publication date
AU6148294A (en) 1994-09-26
GB9304631D0 (en) 1993-04-21

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