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Publication numberUS3634655 A
Publication typeGrant
Publication dateJan 11, 1972
Filing dateMar 20, 1970
Priority dateMar 20, 1970
Publication numberUS 3634655 A, US 3634655A, US-A-3634655, US3634655 A, US3634655A
InventorsMickey S Jordan
Original AssigneeMickey S Jordan
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Multiple heating pad assembly
US 3634655 A
Abstract
An improved heating pad unit comprising a pair of individual heating pads which may be selectively joined together and positioned one over the other to form a single twin-heat unit, or wherein the individual heating pads may be separated and used as two heating pads for positioning against different parts of a patient's body.
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Description  (OCR text may contain errors)

United States Patent inventor Mickey S. Jordan 4371 Glenwood Road Apt. C-l, Decatur, Ga. 30032 Appl. No. 21,294

Filed Mar. 20, 1970 Patented Jan. 11, 1972 MULTIPLE HEATING PAD ASSEMBLY 2 Claims, 6 Drawing Figs.

US. Cl 219/527, 174/69, 200/51 LM, 219/212, 219/524, 219/528, 219/477 Int. Cl H051) 3/06 Field of Search 219/527529,

[56] References Cited UNITED STATES PATENTS 1,701,973 2/1929 Gehrs 219/527 X 1,837,117 12/1931 Dunbar 219/528 X 2,318,109 .5/1943 Schultz..... 219/524 2,842,655 7/1958 Schwebel. 219/527 3,013,141 12/1961 Ellis 219/524 FOREIGN PATENTS 931,203 7/1963 Great Britain 219/528 938,213 10/1963 Great Britain... 219/528 1,047,210 7/1953 France 219/528 Primary Examinr- Volodymyr Y. Mayewsky An0rneyJones & Thomas ABSTRACT: An improved heating pad unit comprising a pair of individual heating pads which may be selectively joined together and positioned one over the other to form a single twin-heat unit, or wherein the individual heating pads may be separated and used as two heating pads for positioning against different parts of a patients body.

PATENTEU JAN! 1 m2 31634555 Midway fgm'da/n .MULTIPLE HEATING PAD ASSEMBLY This invention relates generally to heating pads.

A principal object of the present invention is to provide an improved heating pad assembly which is selectively adjustable to be used either as a single twin-heat unit or as a pair of separate individual heating pads positioned against different parts of the body at the same time. I

Another object of the present invention is to provide an improved heating pad assembly which includes two heating pads and a single control unit that can control temperatures to each heating pad whether they are used individually or doubled together as a single twin-heat unit.

Still another object is to provide an improved heating pad wherein the individual heating pads are each detachable from the control unit, so that the device can be used with only one individual heating pad, to thereby eliminate handling the other pad.

Still a further object is to provide an improved heating pad wherein the extension cords leading to the individual heating pads and to a male plug are retractable upon rewind reels located in the control unit, so to be neatly stored when not in use.

Other objects are to provide an improved heating pad assembly which is simple in design, inexpensive to manufacture, rugged in construction, easy to use and efficient in operation.

These and other objects will be readily evident upon a study of the following specification and the accompanying drawing wherein:

FIG. 1 is a perspective view of the multiple heating pad assembly with the pads connected to each other in overlapping relationship.

FIG. 2 is a plan view of the control unit.

FIG. 3 is a perspective view similar to FIG. I, but showing the pads opened apart and detached from each other.

FIG. 4 is a view of a modified form of the invention with the pad units being connectable to the control unit by means of plug elements.

FIG. 5 is a plan view of a modified design with retractable cords.

FIG. 6 is an enlarged detail view thereof showing the retractable cord reels in the control unit.

Referring now in more detail to the drawing, and more particularly at this time to FIG. 1 to 3, the reference numeral 10 represents an improved heating pad assembly according to the present invention, wherein there is a twin-heat unit 11 comprised of a pair of individual heating pads 12 and 13 each of which is connected by an extension cord 14 to a manually controlled integral control unit 15; the control unit being connected by an extension cord 16 to a male plug 17 receivable within a house electric outlet socket.

The heating pad units 12 and 13 are attachable together by a connecting means, such as by a peripheral slide fastener 18 so that the pads can be separated (FIG. 3) or can be placed in folded out to form a large heating surface (not shown).

.The control unit has pushbuttons 19 in two rows 20 and 2!; each row of buttons controlling temperature to one of the heating pads. Conventional electrical heating wires between appropriate insulation mats (not shown) are used in the heating pad constructions.

In operative use it is now evident that the pads can be connected together and used as a twin-heat unit as shown in FIG.

l, or the pads can be separated as shown onFIG. 2 so to heat different parts of the body at the same time.

In FIG. 4 a modified form of the invention shows a control unit 22 having female openings 23 for receiving the plugs of the pads to permit disengaging one or both of the heating pads 24 from the entire assembly so that the assembly is more convenient to handle if only one heating pad 25 is necessary to use. Also, the control unit of FIG. 4 can be used with other heating pads (not shown) which are shaped for special use, as long narrow pads for wrapping about an arm, leg or neck, etc. Moreover, if a heating pad becomes wet, damaged, or otherwise unsuitable for use, it can be unpltgged and replaced.

In FIGS. 5 and 6 another modified orm of the invention includes a control unit 26 having spring-urged reels 27 therewithin so that the extension cords 28 and 29 to the individual heating pads and the cord 30 to the male plug can be reeled up when not in use so as to not dangle and become entangled with other objects.

While various changes may be made in the detail construction, it is understood that such changes will be within the spirit and scope of the present invention.

I claim:

I. A heating pad assembly comprising a pair of flat heating pads similar in size and shape, electrical heating wires in each heating pad, a slide fastener connected to the mutual edges of both of said heating pads and arranged to fasten said heating pads at several of their mutual edges in overlapping relationship, or to fasten said heating pads along an adjacent edge of each heating pad in an open flat spread relationship, or to release the heating pads from each other, an electrical extension cord connected to said electrical heating wires and extending from each heating pad, a single heat control device connected to each of the electrical extension cords, an electrical power cord connected to said heat control device for connection to a source of electrical, power, said heat control device being constructed and arranged to individually control the heat intensity emitted from each of said heating pads, and said heat control device including means for retracting electrical power cord.

2. The heating pad assembly of claim I and wherein each of said electrical extension cords extending between each of said heating pads and said heat control device include two prong plug connectors connected to said heat control device.

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US1701973 *Mar 24, 1927Feb 12, 1929Emil GehrsElectric foot warmer
US1837117 *May 31, 1930Dec 15, 1931Pauline S DunbarHeated mattress
US2318109 *Aug 2, 1941May 4, 1943Westinghouse Electric & Mfg CoHeating pad
US2842655 *Mar 25, 1957Jul 8, 1958Morris S SchwebelHeating pad
US3013141 *Dec 22, 1958Dec 12, 1961Leslie L EllisSeat heater
FR1047210A * Title not available
GB931203A * Title not available
GB938213A * Title not available
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3848224 *Jun 15, 1973Nov 12, 1974Olivero CPre-wired switch box
US3879171 *Sep 17, 1973Apr 22, 1975Becton Dickinson CoElectric heating assembly for sterilant packages
US4066870 *Dec 6, 1976Jan 3, 1978Bristol Products, Inc.Flexible electric heating cable
US4103147 *Nov 26, 1976Jul 25, 1978Carvalho Birttie LDevice for heating a breast prosthesis
US4132262 *Jan 17, 1977Jan 2, 1979Joan WibellHeating and cooling blanket
US4204110 *Mar 7, 1977May 20, 1980Smit Helen EDecorative personal electric heating appliance
US4657332 *Jul 5, 1985Apr 14, 1987Cuisinarts, Inc.Method and apparatus for conveniently providing a 220 volt electric outlet in a home kitchen
US5243136 *Jan 7, 1992Sep 7, 1993King-Cord Co., Ltd.Computer system
US5352862 *Nov 9, 1992Oct 4, 1994Five Star Manufacturing CompanyHigh wattage surface contact resistance heater
US5911895 *Mar 26, 1997Jun 15, 1999Georg Fischer Rohrleitungssyteme AgDevice for welding molded plastic parts permitting simultaneous and mutually independent welding processes
US6175098 *Oct 20, 1999Jan 16, 2001Solco Biomedical Co., Ltd.Plane heating element without electromagnetic waves and a manufacturing method thereof
US6683280 *Mar 12, 2003Jan 27, 2004Jeffrey S. WoffordApparatus and method for prosthesis securement
US6897417 *Aug 16, 2004May 24, 2005Donald E. UsselmanFoot heating system
US7540847Jan 16, 2004Jun 2, 2009Klein Charles WApparatus and method for selectively transmitting vibrations to an individual situated on a support surface
US8324533 *Oct 9, 2008Dec 4, 2012Shu Chiu LeeDual-person electric heating blanket
US20100089898 *Oct 9, 2008Apr 15, 2010Shu-Chiu LeeDual-person electric heating blanket
WO2009049271A1 *Oct 10, 2008Apr 16, 2009Augustine Biomedical And DesigMulti-zone electric warming blanket
Classifications
U.S. Classification219/527, 219/212, 219/477, 174/69, 219/528, 200/51.0LM, 219/524
International ClassificationH05B3/34
Cooperative ClassificationH05B3/342, H05B2203/014
European ClassificationH05B3/34B