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WO2000031847A1 - Enrouleur de cable rentrant miniature - Google Patents

Enrouleur de cable rentrant miniature Download PDF

Info

Publication number
WO2000031847A1
WO2000031847A1 PCT/US1999/026711 US9926711W WO0031847A1 WO 2000031847 A1 WO2000031847 A1 WO 2000031847A1 US 9926711 W US9926711 W US 9926711W WO 0031847 A1 WO0031847 A1 WO 0031847A1
Authority
WO
WIPO (PCT)
Prior art keywords
spool
spring
retractable cord
cord
inner cable
Prior art date
Application number
PCT/US1999/026711
Other languages
English (en)
Inventor
Paul C. Burke
Richard E. Skowronski
Original Assignee
Burke Paul C
Skowronski Richard E
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 Burke Paul C, Skowronski Richard E filed Critical Burke Paul C
Priority to US09/856,214 priority Critical patent/US6578683B1/en
Priority to AU16176/00A priority patent/AU755368B2/en
Priority to EP99958901A priority patent/EP1131869A4/fr
Priority to HK02104755.5A priority patent/HK1044857B/zh
Priority to CA002351939A priority patent/CA2351939C/fr
Publication of WO2000031847A1 publication Critical patent/WO2000031847A1/fr
Priority to US10/422,883 priority patent/US20030192760A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/15—Protecting or guiding telephone cords
    • 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
    • B65H2701/34—Handled filamentary material electric cords or electric power cables

Definitions

  • the present invention relates to retractable cord reel devices.
  • the present invention relates to retractable cord reel devices.
  • the present invention relates to retractable cord reel devices of a small size suitable
  • Retractable cord reel devices may be used to dispense and automatically
  • retractable cord reel may be used to connect a microphone and ear piece or
  • cord reels comprise a rotating spool on which a retractable cord is
  • moving contacts can cause static and other
  • contacts systems are not very durable — the
  • cord reels of this type may be too large for use with small electronic devices, such as cellular telephones.
  • small electronic devices such as cellular telephones.
  • an earphone and/or microphone an earphone and/or microphone.
  • the retractable cord reel of the present invention generally comprises a
  • housing or base plate supporting an arbor, a spool rotatably mounted on the arbor, a
  • retractable cord held on the spool and a device for rotating the spool to retract the
  • the spool has an annular wall which defines an inner chamber and an outer
  • the retractable cord is held within the spool outer trough.
  • the retractable cord is adjacent to the annular wall, and the other end retractably
  • the retraction device preferably comprises a
  • cellular telephone base unit or source to a remote device such as a ear piece and
  • the telephone base unit provides a housing for the cord reel of the invention.
  • the arbor is mounted to the housing or on a base plate
  • the spool is rotatably mounted on the arbor.
  • housing includes a radial opening through which an end of the retractable cord can
  • a ratchet mechanism may also be held in the housing or base plate to
  • a ratchet is not strictly
  • the retractable cord comprises a plurality of conductors, at least one of the
  • conductors e.g., the mic conductor
  • an electromagnetic shield e.g., the electromagnetic shield
  • the plural conductors are in turn covered by a reinforcing fabric layer.
  • reinforced fabric preferably nylon braid, is mechanically attached to the spool,
  • a small gage conductor such as Litz wire, can therefore be used
  • the retractable cord has desirable
  • the spring is preferably connected at a first end to the arbor, and at a second end to the spool, such as the annular wall separating the inner chamber from the
  • the spring is wound so that it builds and stores energy when the
  • retractable cord is retracted from the spool. Upon release of the cord, the spring
  • An inner cable is helically wound with the spring in the inner chamber of the
  • the preferred cord reel embodiment of the invention The preferred inner cable
  • a source such as the telephone base unit
  • the source is directly connected to the retractable cord, thereby avoiding intermittent disruption of signal
  • the inner cable may comprise a flat ribbon cable, a strip conductor,
  • the inner cable may be attached to
  • the spring or it may be separately wound with the spring. In any event, the
  • conductors of the inner cable are insulated from the spring.
  • a preferred inner cable comprises a plurality of conductors carried on the spring having insulating layer(s) between the spring and the conductors.
  • cable conductors preferably comprise thin conductive strips, such as metal strips.
  • the conductive strips may be thin metal foils, or can be formed by painting or
  • An alternative construction comprises, a layer of insulating material
  • example comprises a layer of insulating material adhered to the spring, plural
  • the shield is preferably a nickel plating
  • EMI-RFI electromagnetic/radio frequency interference
  • the retractable cord likewise has a shielding layer
  • the inner cable is not required to have
  • spool has a diameter of less than 4 cm (1 1/2 inch), and a thickness of less than
  • FIG. 1 is plan view of a cellular telephone and a combination ear piece and
  • Fig. 2 is an exploded radial cross section through a preferred embodiment of
  • Fig. 3 is an axial cross section of the spool of the invention.
  • Fig. 4 is a cross section of one preferred retractable cord of the invention.
  • Fig. 5 is a cross section of a portion of one preferred spring and inner cable
  • Fig. 6 is an elevational view of a headset and source unit.
  • FIG. 1 shows a conventional cellular telephone
  • the cellular telephone base unit A is
  • source units may include, for example,
  • microphone C are merely examples of remote devices. Other remote devices may be used.
  • the cord reel 1 of the invention is
  • a retractable cord 10 connects the source A to
  • the cord reel could be carried by the remote device
  • FIG. 6 illustrates a cord reel 1 of the invention mounted in headset D.
  • the headset has a
  • head band E and at least one ear piece F.
  • Ear piece F houses a speaker G.
  • Retractable cord 10 connects speaker G to source H. Other applications for the
  • references herein to a cellular telephone and a headset are for illustration, not
  • Figs. 2 and 3 more specifically illustrate the cord reel 1 of the invention.
  • the cord reel comprises a spool 2, retractable cord 10, and inner cable 24.
  • spool has an annular wall 4 defining an inner chamber 6 and an outer trough 8.
  • Trough 8 may comprise a chamber, compartment, or other volume of space for
  • retractable cable 10 Approximately one meter of cord may be held in
  • Trough 8 is shown as having side walls pe ⁇ endicular to annular wall 4,
  • trough 8 may be partially or fully enclosed by a housing or the like. Opening 12 in annular wall 4 facilitates connection between inner chamber 6
  • Spool 2 further includes radial side walls 30 and 32.
  • spool 2 may comprise spokes or the like along the sides of inner
  • a cover plate 33 is applied to cover the inner
  • the cover plate may
  • the cord reel 1 may preferably include a housing 14 and base plate 16.
  • housing and/or base plate may be part of the source or remote device in or onto
  • the arbor is a spindle, hub, axle or other device onto which the spool 2 may be
  • the arbor may be attached to the housing.
  • Housing 14 has a radial opening 20 for
  • inner cord 24 could exit the reel through an axial slot
  • conductor means may be used to connect the inner cable to the source. All of these
  • the cord reel of the invention includes means for rotating the spool 2 to
  • the cable retracting means may include any known rotating
  • Spring 22 is held in inner chamber 6 and helically
  • Preferred spring 22 may be fabricated by
  • Inner cable 24 is helically coiled in inner chamber 6. In the preferred embodiment
  • the inner cable 24 is helically wound with spring 22.
  • the inner cable 24 is helically wound with spring 22.
  • the spring may desirably be attached to the spring. Alternatively, it may be wound with spring
  • Inner cable 24 is conductively connected on one end
  • a second end 26 of the inner cable connects to the source, as described above.
  • a conductive coating or plating for EMI-RFI shielding preferably nickel
  • plating may be optionally applied to the spool and/or to the housing to shield the
  • This shielding layer is conductively connected to spring 22
  • base plate may be fabricated from metal or other conductive material, thereby
  • EMI-RFI shielding is
  • a ratchet may be optionally provided to selectively restrain rotation of spool
  • the ratchet may comprise a pawl 28 pivotally mounted to base plate 16 and
  • Spool 2 is provided with notches 82.
  • the spring 29 biases ratchet pawl
  • a release lever (not shown) is provided to disengage pawl 28
  • ratchet herein is merely one example of a suitable ratchet.
  • Other ratchet
  • Fig. 4 is a cross section through retractable cord 10.
  • Retractable cord 10 is
  • Shield layer 52 is preferably comprises a copper braid.
  • Reinforcing layer 54 is preferably comprised of nylon
  • layer 54 is preferably attached to the spool to limit stress/strain on the conductors, but is some applications it may not be necessary to attach the reinforcing layer to
  • Attachment may be made in any manner, such as by mechanically
  • attachment may be made by pulling back an end portion of preferred nylon braid
  • the braid may be attached to the spool with an
  • a tail end of the fabric braid may be inserted into a hole in
  • cord 10 may
  • Fig. 5 is a cross section of a layered portion of spring 22 with inner cable 24
  • Fig. 5 illustrates an example of a preferred
  • a preferred inner cable 24 comprises a lower
  • insulating layer 100 adjacent spring 22, a plurality of intermediate conductors 102, and an overlying insulating layer 104.
  • insulating layer 104 is illustrated as overlying conductors 102, it may alternately be underlying spring 22, it being
  • conductors 102 may be attached to insulating layers 100 and 104 by an adhesive,
  • means of attachment may comprise heat bonding.
  • inner cable 24 may comprise a flat ribbon cable adhered to or
  • spring 22 Other alternatives will be apparent to those skilled in the art, including, a spring comprised of a non-conducting polymer with an elastic memory
  • inner cable 24 comprising individual conductors
  • Inner cable 24 passes through the spool annular wall opening 12 and is conductively connected to retractable cord conductors 50. Conductive connection
  • retractable cord 10 may be unitary with
  • retractable cable 10 may desirably be small, lightweight, and flexible.
  • retractable cord and inner cable are shown and described as having ends and as being spliced together, that retractable
  • cord 10 and inner cable 24 may be a unitary cord. Accordingly, the term
  • retractable cord shall mean the portion of the cable that is retractable
  • inner cable shall mean the portion of the cord in inner chamber 6.
  • retractable cord in which case, the inner cable portion 24 and retractable cord
  • portion 10 may be portions of a continuous, unitary cable. It may also be feasible
  • the plural conductors 102 of preferred inner cable 24 of the invention comprises at least one shield
  • Fig. 5 is comprised of four conductors. The left two 106 and 108 may used for the
  • shield conductor 112 above and below by spring 22 and at the right by cover plate 33 or by other shielding carried by the spool or
  • Shield conductor 112 is conductively connected to spring 22, spool shield
  • a shield conductor 112 is not required.
  • inventions may comprise any number of conductors as may be required by a particular application. Also, as discussed infra, other configurations of conductors
  • the conductors 102 and insulation layers 100 and 104 are required. If as is preferred, the conductors 102 and insulation layers 100 and 104
  • the conductors 102 are supported by spring 22, they may be very thin and flexible without risking high rates of failure. This provides additional space savings. Further, the conductors 102 are in an environment of excellent EMI-RFI shielding without requiring
  • conductor 110 is shielded from EMI-RFI from
  • cover plate 33 the other side by cover plate 33 and/or by spool wall nickel plating layers.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Headphones And Earphones (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)

Abstract

La présente invention concerne un dispositif enrouleur de câble (1) qui permet de connecter une source de signaux (A) à un dispositif à distance (B, C) et qui comporte une bobine (2) pivotante sur une tige (18), ladite bobine (2) comprenant une chambre intérieure (6) et une cavité extérieure (8). Un câble rentrant (10) est maintenu amovible dans ladite cavité (8). Un ressort (220) de commande de rotation de la bobine (2) dans une direction afin que rentre le câble (10) est situé dans la chambre intérieure (6). Le câble intérieur (24) est connecté électriquement au câble rentrant (10). L'enrouleur de câble (1) de l'invention peut, de préférence, inclure une protection EMI-RFI (112) et peut être particulièrement utile dans des applications dans lesquelles un enrouleur de câble sensiblement miniature est requis, comme c'est le cas avec un téléphone cellulaire ou d'autres appareils similaires.
PCT/US1999/026711 1998-11-20 1999-11-12 Enrouleur de cable rentrant miniature WO2000031847A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US09/856,214 US6578683B1 (en) 1999-11-12 1999-11-12 Miniature retractable cord reel
AU16176/00A AU755368B2 (en) 1998-11-20 1999-11-12 Miniature retractable cord reel
EP99958901A EP1131869A4 (fr) 1998-11-20 1999-11-12 Enrouleur de cable rentrant miniature
HK02104755.5A HK1044857B (zh) 1998-11-20 1999-11-12 小型的可收放电缆卷盘
CA002351939A CA2351939C (fr) 1998-11-20 1999-11-12 Enrouleur de cable rentrant miniature
US10/422,883 US20030192760A1 (en) 1998-11-20 2003-04-23 Miniature retractable cord reel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US19732698A 1998-11-20 1998-11-20
US09/197,326 1998-11-20

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US19732698A Continuation 1997-01-07 1998-11-20

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US09/856,214 A-371-Of-International US6578683B1 (en) 1998-11-20 1999-11-12 Miniature retractable cord reel
US10/422,883 Continuation US20030192760A1 (en) 1998-11-20 2003-04-23 Miniature retractable cord reel

Publications (1)

Publication Number Publication Date
WO2000031847A1 true WO2000031847A1 (fr) 2000-06-02

Family

ID=22728943

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/026711 WO2000031847A1 (fr) 1998-11-20 1999-11-12 Enrouleur de cable rentrant miniature

Country Status (8)

Country Link
EP (1) EP1131869A4 (fr)
KR (1) KR100773319B1 (fr)
CN (1) CN1218456C (fr)
AU (1) AU755368B2 (fr)
CA (1) CA2351939C (fr)
HK (1) HK1044857B (fr)
TW (1) TW473454B (fr)
WO (1) WO2000031847A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7032728B2 (en) * 2001-10-05 2006-04-25 Taylor Pty Ltd Retractable cable assemblies and devices including the same
EP1808073A1 (fr) * 2006-01-13 2007-07-18 Omron Healthcare Co., Ltd. Dispositif de mesure de la pression artérielle
IT201700031816A1 (it) * 2017-03-23 2018-09-23 Daniele Schintu Custodia protettiva a riavvolgimento elicoidale per dispositivi con cavo flessibile
EP3958417A1 (fr) 2020-08-18 2022-02-23 Dmitrijs Volohovs Treuil

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101630827B (zh) * 2008-07-17 2011-09-21 致伸科技股份有限公司 理线装置
US9496911B2 (en) 2013-09-24 2016-11-15 3B Product Development, Llc Protective cover and retractable lanyard
CN103825156A (zh) * 2014-02-21 2014-05-28 沁源县旺庄养殖专业合作社 一种抽拉式固定电话话筒线
CN104518460B (zh) * 2014-12-26 2017-02-08 国家电网公司 捆绑电缆绑线的绕线器
CN111605726B (zh) * 2020-04-27 2021-10-01 哈尔滨工业大学 一种卫星太阳能帆板驱动装置用传能绕线器
CN112382898B (zh) * 2020-10-22 2022-03-18 Oppo广东移动通信有限公司 集线机构和传输线组件

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5590749A (en) * 1990-03-14 1997-01-07 Magic Electrical Products L.L.C. Electrical cord retraction device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3518157A1 (de) * 1985-05-21 1986-11-27 Atlanta-Kabel-Steinmüller KG, 5880 Lüdenscheid Selbstaufwickelnde kabeltrommel
US5241593A (en) * 1991-05-07 1993-08-31 Wagner Ronald D Telephone and telephone cord retraction device, and method of making

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5590749A (en) * 1990-03-14 1997-01-07 Magic Electrical Products L.L.C. Electrical cord retraction device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1131869A4 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7032728B2 (en) * 2001-10-05 2006-04-25 Taylor Pty Ltd Retractable cable assemblies and devices including the same
EP1808073A1 (fr) * 2006-01-13 2007-07-18 Omron Healthcare Co., Ltd. Dispositif de mesure de la pression artérielle
KR100814547B1 (ko) * 2006-01-13 2008-03-17 오므론 헬스캐어 가부시키가이샤 혈압 계측 장치
US8075493B2 (en) 2006-01-13 2011-12-13 Omron Healthcare Co., Ltd. Blood pressure measuring device
IT201700031816A1 (it) * 2017-03-23 2018-09-23 Daniele Schintu Custodia protettiva a riavvolgimento elicoidale per dispositivi con cavo flessibile
EP3958417A1 (fr) 2020-08-18 2022-02-23 Dmitrijs Volohovs Treuil

Also Published As

Publication number Publication date
CN1333937A (zh) 2002-01-30
TW473454B (en) 2002-01-21
KR20010080502A (ko) 2001-08-22
HK1044857A1 (en) 2002-11-01
EP1131869A1 (fr) 2001-09-12
CA2351939C (fr) 2005-09-27
CN1218456C (zh) 2005-09-07
EP1131869A4 (fr) 2003-03-12
KR100773319B1 (ko) 2007-11-05
HK1044857B (zh) 2006-02-03
AU1617600A (en) 2000-06-13
CA2351939A1 (fr) 2000-06-02
AU755368B2 (en) 2002-12-12

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