EP0224560A1 - Power retract electric cord reel - Google Patents
Power retract electric cord reelInfo
- Publication number
- EP0224560A1 EP0224560A1 EP86903824A EP86903824A EP0224560A1 EP 0224560 A1 EP0224560 A1 EP 0224560A1 EP 86903824 A EP86903824 A EP 86903824A EP 86903824 A EP86903824 A EP 86903824A EP 0224560 A1 EP0224560 A1 EP 0224560A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drum
- cord
- gear
- motor
- reel
- 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- Withdrawn
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
-
- 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
-
- 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
- B65H75/4481—Arrangements or adaptations for driving the reel or the material
- B65H75/4486—Electric motors
-
- 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
- the present invention includes a drive motor that mounts on the interior of the hub of a reel, and has suitable drive gears to rotate the reel at a desired speed, after being energized by the battery of the vehicle with which the reel is used.
- the cord passes through a sliding switch member so that upon retraction of the cord, the switch member is actuated to shut off power to the motor driving the reel.
- Figure 1 is a fragmentary view of a vehicle having a cord reel made according to the present invention installed thereon;
- Figure 2 is a part schematic sectional view of a cord reel and switching mechanism made according to the present invention, with the section of the cord reel housing taken generally along line 2—2 in Figure 3.
- Figure 3 is a sectional view taken generally along line 3—3 in Figure 2;
- Figure 4 is a sectional view of a support used in the retraction reel taken as on line 4—4 in Figure 3, with parts removed for clarity; and
- Figure 5 is a sectional view taken as on line 5—5 of Figure 3.
- the connection has an engine heater 11 (Figure 2) that is used for warming the engine of the vehicle. In the case of the motor home the connection would be to the main power connection.
- the heater or appliance 11 uses 110 volt power from a receptacle 12 that can be mounted on a wall 13 and which is powered from a suitable 110 volt power source.
- the receptacle 12 is connected to the heater 11 through the use of a cord 15, having a plug 16 of conventional design, that extends from the grill portion 17 of the vehicle 10.
- the plug 16 is accessible through the grill portion 17 when it is in its retracted position.
- cord reel housing can be placed onto a wall in the engine compartment using suitable brackets in a normal manner.
- the cord reel 20 includes an outer case 22 that is formed as an assembly.
- the case is uniquely constructed, and has a central annular flexible plastic band 23 that is formed generally in a circle. It also has an- opening indicated at 25 at one opposite side of the circle, and as will be shown, this is used for the cord 15 to pass outwardly from the case 22.
- the annular band 23 has a tapered groove as indicated at 26 at its opposite edges that extend all the way around the formed annular band.
- the recesses 26 shown on the lower portion of Figure 2 are used for receiving the edge of a formed sheet metal lower housing of case section 30 that frictionally fits into this recess, and thus keeps the plastic band in an annular shape.
- a top housing of case section 31 fits into the recess 26 around the annular band 23 on the top side as shown in Figure 2.
- the two housing or case sections 30 and 31 are retained relative to a centrally mounted motor 33, which is the reel drive motor. As shown, the case section 30
- SUBSTITUTE SHEET • is held against the base of the motor through suitable spacers 35, with screws shown generally at 36.
- the case section 30 has dimples formed around the heads of screws 36 so the heads are recessed from the plane of the outer surface of the case section 30.
- the front end of the motor mounts a spider bracket indicated generally at 37 that is fastened to the shaft end of the motor housing with suitable screws 38 as shown in Figure 3.
- the motor is mounted on the interior of the drum 51, and the cord 15 is positioned to wind onto the drum outer surface.
- a separate reel end flange 60 closes the open end of the drum 51 and forms a second end flange that retains a cord on the drum.
- Flange 60 is made of suitable metal and has an annular neck 61 that press fits into the interior of the drum 51.
- the reel assembly including drum 51 and flanges 53 and 60, is supported on the interior of the outer case through small hubs on the internal ends of internal drive gears at the end near the flange 53 and idler rollers at the end adjacent flange 60.
- These idler rollers 63 are rotatably fastened with suitable screws to the case portion 30, and because there are three of the rollers (in Figure 3 they are axially aligned with the three ends of the spider 37), they support the interior of the drum in a very stable manner. This end of the drum is thus supported relative to the outer case.
- Screws 69A are threaded into the post portion of pins 69 which fit snugly in the spider (even with a slight press fit) to hold the case section 31 in place.
- a main drive gear assembly indicated at 73 is' ounted o a suitable pin" that is a post type pin 74 which fits snugly into the corresponding aperture of the spider.
- the pin has a post portion on the inner end and is threaded to receive screw 74A that will be used to hold the top cover 31 to the spider and properly in place.
- the gear assembly 73 has a large diameter input gear section 73A that meshes with a clutching drive gear 77 mounted on the motor output shaft 75 of the motor 33.
- the drive gear 77 will, when motor 33 is driven, be moved to position to engage gear 73A and transmit torque from the motor shaft to the input gear section 73A.
- the gear assembly 73 further includes an interior reel drive gear 76 that is of the same size as the idler gears 70 and meshes with the gear teeth 66 on the interior of the drum 51 of the reel 50.
- Gear 76 has a hub 76A that supports the drum as the drum is driven by gears 73A and 76.
- the inner hubs 70A and 76A of gears 70 and 76 support the reel in three locations (at the corners of the spider) just as the idler rollers 63 do. The reel is thus
- SUBSTITUTE SHEET supported within the housing or case and is rotatable with respect thereto.
- the gear assembly 73 is on the interior side of the wall portion 42 of the spider 37, so that the tendency of the reel to move outwardly (upwardly as shown in Figure 2) is resisted through the spider because the spider is fastened to the end of the motor 33, and the opposite end of the motor is attached to the case section 30.
- the drive gear 77 has a hub that slides on output shaft 75.
- the end of the hub has two cam peaks shown at 77A, which are 180° apart.
- the cam peaks are shown in Figures 2 and 5.
- a pin 78 is mounted in shaft 75 near the outer end of the shaft and serves as a drive pin.
- a light spring 79 is placed between the gear and a backing washer that backs against the end of motor 33. The spring 79 tends to urge the gear 77 outwardly, and the gear can move to its solid line position in Figure 2, disengaged from gear 73A, with the pin 78 in the recesses on the hub. In this position, the reel assembly can rotate easily because the drive is disengaged.
- the spring 79 is light, and when the motor 33 is energized, the shaft will tend to spin within the hub for drive gear 77 because of the inertia of gear 77, and the pin 78 will ramp up the cam surfaces leading to the hub peaks 77A. As this occurs, the gear is moved toward the motor end and toward gear 73A and will mesh with gear 73A. Gear 77 will be stopped with the inner end of the hub of drive gear 77 against the end of motor 33.
- the pin 79 is light, and when the motor 33 is energized, the shaft will tend to spin within the hub for drive gear 77 because of the inertia of gear 77, and the pin 78 will ramp up the cam surfaces leading to the hub peaks 77A. As this occurs, the gear is moved toward the motor end and toward gear 73A and will mesh with gear 73A. Gear 77 will be stopped with the inner end of the hub of drive gear 77 against the end of motor 33.
- the pin 79 is light, and when the motor 33 is energized
- the clutch for driving gear 77 is similar to the bendix drive for an automobile starter motor, except the clutch shown will drive in either direction of rotation.
- the clutch can also comprise a one-way clutch mechanism that will transmit adequate power from the motor to gear assembly 73, and free wheel in one direction, and which will fit into a small space.
- the wall 52 on the reel has suitable annular slip rings indicated at 80, 81 and 82 mounted thereon.
- the slip rings are of conventional design and are imbedded into the plastic wall 52 and extend annularly around as shown in Figure 3.
- a contact block assembly 85 is mounted between the end members 43.
- the contact block has a center wall 85A and end members 86 offset to form spacers on the outside of the gears 70 and on the inside of the upper cover 31 (see Figures 3 and 5).
- the members 86 fit over the idler gears 70 and are held in place on the cover section 31 through the use of screws that thread into the post type pins 74 for the idler gears.
- the contact or terminal block 85 has three sliding contacts therein formed in a suitable manner and indicated generally at 87, 88 and 89, which align with the slip rings 80, 81 and 82, respectively.
- the main portion 85A of the block 85 nests between the end members 43 of the spider 37.
- power cord 15 is passed through a suitable coil spring guide indicated at 95 that is held in place under spring tension in the opening shown in the plastic ring 23. This spring guides the cord 15 and prevents it from being crimped or tightened too
- the through opening indicated at 112 of the slider assembly 104 will permit the cord to be pulled out easily, and it can then be plugged into the receptacle for powering the heater.
- the slider 104 can be under sufficient friction load to remain in its position where motor 33 remains unengaged, or a detent can be provided to hold the slider 104 in position until it is manually moved.
- the plug 16 will be removed from the outlet, and the operator then pulls the switch slider 104 to its solid line position, which will energize the motor 33 and through the drive gear 77, which will then engage gear section 73A, drive the reel 50 to wind the cord 15 back into the housing.
- the flexible wire spout 95 wipes the cord 15 clean of water and the like as it is retracted, to keep foreign materials out of the interior of the case, and of course, the reel can be made in different sizes with different capacity motors to suit the amount of cord that is desired. Generally, a 25 foot cord is all that is needed, but in certain instances, 50 feet or longer would be desirable.
- the spider is assembled with the idler gears and the gear assembly 73 held in to the spider with the post portion of pins 69 and 74.
- the terminal block is also mounted, and the cord 90 can be attached to the terminal block.
- the spider then is attached to the motor 33 with screws 38 and the case portion 31 will be put into place. Screws 69A and 74A are then subsequently fastened to the post pins and hold the case portion 31 in place.
- the post screws 69 and 74 hold the gears in position and hold the case section 31 secured.
- the reel 50 then, can be slipped into place over the gears 70 and 76, with the band 23 already placed on the case section 31.
- the cord 15 will have been placed through the wire member 95 and onto the drum of the reel prior to the time the reel is slipped into place, and then after the reel is slipped into place, the case section 30 can be put into position on the plastic rim 23, and the screws 36 fastened to hold the assembly together relative to the motor.
Landscapes
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
Enrouleur de câbles électriques (20) conçu pour être monté près du moteur d'un véhicule automobile (10) qui nécessite notamment un chauffage enfichable (11). Ledit enrouleur comprend un moteur (33) qui peut être actionné par un interrupteur électrique (100) à partir de la batterie (110) du véhicule automobile ou à partir d'une autre source d'alimentation et qui entraîne un treuil (51, 53, 60) afin d'enrouler le câble (15). A la fin de l'enroulement, l'interrupteur (100) arrête le moteur (33). Le câble (15) peut être déroulé manuellement afin d'être enfiché dans une prise de courant à un endroit désiré.Electric cable reel (20) designed to be mounted near the engine of a motor vehicle (10) which in particular requires a plug-in heater (11). The reel includes a motor (33) which can be operated by an electrical switch (100) from the battery (110) of the motor vehicle or from another power source and which drives a winch (51, 53 , 60) in order to wind the cable (15). At the end of winding, the switch (100) stops the motor (33). The cable (15) can be unwound manually to be plugged into an outlet in a desired location.
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US73867785A | 1985-05-28 | 1985-05-28 | |
US738677 | 1985-05-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0224560A1 true EP0224560A1 (en) | 1987-06-10 |
EP0224560A4 EP0224560A4 (en) | 1989-03-29 |
Family
ID=24969018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19860903824 Withdrawn EP0224560A4 (en) | 1985-05-28 | 1986-05-16 | Power retract electric cord reel. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0224560A4 (en) |
JP (1) | JPS62503026A (en) |
KR (1) | KR880700511A (en) |
WO (1) | WO1986007209A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29704035U1 (en) * | 1997-03-06 | 1997-05-22 | Manfred Fladung GmbH, 63776 Mömbris | Device for receiving or stowing a cable |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1537702A (en) * | 1921-08-26 | 1925-05-12 | Westinghouse Electric & Mfg Co | Electric reel |
US2443763A (en) * | 1946-03-26 | 1948-06-22 | Carnegie Illinois Steel Corp | Reel motor control |
US3743796A (en) * | 1971-11-29 | 1973-07-03 | Us Navy | Deep sea brushless commutator |
US3760134A (en) * | 1972-08-03 | 1973-09-18 | Pemco Corp | Cable and switch apparatus and method for preventing damage to trailing cable power system |
US4300665A (en) * | 1980-04-25 | 1981-11-17 | Ametek, Inc. | Switch device for self-retracting cord reel |
US4350850A (en) * | 1980-07-14 | 1982-09-21 | Alert Stamping & Manufacturing Company, Inc. | Self-switching electric cord reel |
-
1986
- 1986-05-15 KR KR870700073A patent/KR880700511A/en not_active Application Discontinuation
- 1986-05-16 JP JP61502869A patent/JPS62503026A/en active Pending
- 1986-05-16 EP EP19860903824 patent/EP0224560A4/en not_active Withdrawn
- 1986-05-16 WO PCT/US1986/001056 patent/WO1986007209A1/en not_active Application Discontinuation
Non-Patent Citations (2)
Title |
---|
No relevant documents have been disclosed. * |
See also references of WO8607209A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP0224560A4 (en) | 1989-03-29 |
JPS62503026A (en) | 1987-12-03 |
KR880700511A (en) | 1988-03-15 |
WO1986007209A1 (en) | 1986-12-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19870213 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): DE FR GB IT SE |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 19890329 |
|
17Q | First examination report despatched |
Effective date: 19910319 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19911001 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: IRVINE, GERALD, O. Inventor name: ANDERSON, MARVIN, L. |