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Publication numberUS3212546 A
Publication typeGrant
Publication dateOct 19, 1965
Filing dateOct 14, 1963
Priority dateOct 14, 1963
Publication numberUS 3212546 A, US 3212546A, US-A-3212546, US3212546 A, US3212546A
InventorsStanley L Lind
Original AssigneeStanley L Lind
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Key holder
US 3212546 A
Abstract  available in
Previous page
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Claims  available in
Description  (OCR text may contain errors)

Oct. 19, 1965 s. LIND 3,212,546

KEY HOLDER Filed Oct. 14, 1963 Fig. J

If m 1:99- J INVENTORV Jfan/ey 1.. L/rm Z ZM, W

United States Patent 3,212,546 KEY HOLDER Stanley L. Lind, 2615 N. 51st St., Kansas City, Kans. Filed Oct. 14, 1963, Ser. No. 315,775 2 Claims. (Cl. 150-40) This invention relates to new and useful improvements in key holders, and has particular reference to key holders of the magnetic type.

The principal object of the present invention is the provision of a key holder comprising a generally planar sheet or card of a size to be carried conveniently in the pocket, billfold, wallet or purse, and which is magnetized to hold a plurality of keys against one or both faces thereof. Thus the key holder is extremely flat and thin and avoids the objectionability of volume and bulk which is common to so many types of key holders. The keys must of course be capable of being attracted and retained by a magnet, but many keys are presently being manufactured of such material, and those which are not, being formed for example of non-magnetic metals such as brass or aluminum, may be easily adapted for use with the present holder. Also, the sheet or card is flexible, in order to avoid objectionable stiffening of a billfold, purse or the like in which it may be inserted, and is provided with shallow, key-shaped depressions each adapted to retain one key therein. This prevents keys from being brushed or wiped off of the sheet, so that the holder may be carried loose in a pocket and still retain its keys securely.

Other objects are simplicity and economy of construction, and efliciency and dependability of operation.

With these objects in view, as well as other objects which will appear in the course of the specification, reference will be had to the accompanying drawing, wherein:

FIG. 1 is .a face view of a key holder embodying the present invention, with a plurality of keys operatively retained therein,

FIG. 2 is an enlarged sectional view taken on line IIII of FIG. 1,

FIG. 3 is an enlarged fragmentary view similar to FIG. 2, showing a modified construction,

FIG. 4 is a sectional view of the head of a key, similar to those shown in FIG. 2, illustrating one method of adapting a non-magnetic key for use in the holder,

FIG. 5 is a face view of the head portion of a key, showing another means for adapting a non-magnetic key for use with the holder, and

FIG. 6 is a sectional view taken on line VIVI of FIG. 5.

Like reference numerals apply to similar parts throughout the several views, and the numeral 2 applies generally to the holder forming the subject matter of the present invention. As shown in FIGS. 1 and 2, it comprises a laminated structure consisting of two coextensive sheets 4 and 6 of flexibly resilient material such as plastic, with a layer 8 of spaced granules of iron or the like disposed between said sheets. The sheets 4 and 6 are thoroughly bonded together, in the spaces between the granules, by the application of heat and pressure thereto. The granules are then permanently magnetized, for example, by passing the composite sheet through a strong magnetic field.

A plurality of generally key-shaped depressions 10, 12 and 14 are formed in the outer face of sheet 4, as best shown in FIGS. 1 and 2, and each depression is adapted to contain a key 16 laid flat therein as shown. The number of depressions which can be formed, and hence the number of keys the holder can carry, is of course limited by the size of the keys to be carried, and by the area of the sheet 2. It is preferred that the depressions be of such size, and of a sufficiently generalized shape, to be adapted to carry nearly any key in the usual range of sizes, and of any ordinary style or shape. Also, it is preferred that sheet 2 be of ordinary billfold shape and area, so as to be insertable into a billfold, wallet, purse or pocket. The depressions are preferably of a depth at least as great as, or slightly greater, than the thickness of the keys. It would of course be possible to form depressions in both faces of sheet 2, so as to double the number of keys which could be carried. However, this would thicken the holder to an extent which would be objectionable in most instances, and in any event is a variation which is considered to be within the scope of the invention as shown and described.

It will of course be apparent that to be secured in depressions 10, 12 and 14 by the magnetized granules 8, the keys must be capable of being attracted and retained by magnets. Many keys presently manufactured contain sufficient iron for this purpose. However, keys are also manufactured of brass, aluminum, and other non-magnetic materials, and such keys must be specially adapted for use in the present holder. FIG. 4 shows one such adaptation, wherein a thin plating, wash or other coating of ferrous metal is applied over the key. Such coating may be confined to the head of the key if it would thicken the operative or shank portion of the key to the point of rendering it inoperable. FIGS. 5 and 6 illustrate another adaptation for non-magnetic keys, in which a hole 20 is formed in the head of a key and filled with a rigidly atfixed plug 22 of ferrous metal. Also, a thin plate of steel could be glued, soldered or otherwise rigidly affixed to the head portion of a nonmagnetic key.

The flexibility of sheet 2 allows it to flex to a considerable degree with no danger of dislodging the keys, so that the holder may be carried in the pocket without bulging or showing through the clothing, and also permits the sheet to be carried in a billfold, wallet, purse or the like without objectionably stiffening the same. The depressions 10, 12 and 14 keep the keys positively separated, so there can be no rattling or other noise, and also prevent the keys from being slid or wiped off of the holder by forces parallel to the plane of sheet 2. Keys could relatively easily be dislodged from the holder in this manner if it were not for the depressions, even with very strong magnetic attraction. In the pres ent holder, a key can be removed, in a practical sense, only by inserting a fingernail or the like into a depres sion, engaging it under the edge of a key, and prying outwardly. It is extremely unlikely that any such function could occur accidently, even if the holder is carried loose in the users pocket.

FIG. 3 shows a slight modification of structure in which the sheet 2, rather than being laminated of two sheets with iron granules therebetween, as in FIGS. 1 and 2, comprises a single sheet of moldable plastic with granules 24 of iron or the like dispersed evenly throughout the entire volume thereof. This form, while somewhat more expensive and difiicult to produce, is identical in all functional aspects to the form shown in FIGS. 1 and 2.

While I have shown and described certain specific embodiments of my invention, it will be readily apparent that other changes and modifications of structure and operation could be made without departing from the spirit of the invention as defined by the scope of the appended claims.

What I claim as new and desire to protect by Letters Patent is:

1. In combination, a key capable of being attracted and retained by a magnet, and a holder for said key con- 3 4 sisting of a sheet of flexible magnetic material having a to receive a key therein and having a depth at least generally key-shaped depression formed in a face thereof, as great as the thickness of said key.

said depression having a depth at least as great as the thickness of Said key. References Cited by the Examiner 2. A key holder for keys capable of being attracted 5 UNITED STATES PATENTS and retained by a magnet, said key holder comprising: 2,461,201 2/49 Ellis.

a. a composite sheet of flexible material consisting 2, 52,699 5/51 Warfield ISO-40 of two sheets of flexible material, 49 3/52 Diefenbach. b. a layer of spaced magnetic granules disposed be- 310071568 11/61 Kurlandtween said two sheets, said two sheets being bonded 10 FOREIGN PATENTS firmly together in the spaces between said granules, 345,526 8/60 Great Britain said composite sheet having a plurality of generally key-shaped depressions formed in an external sur- JOSEPH R-LECLAIRPrlmarY Examine"- face thereof, each of said depressions being adapted 15 FRANKLIN T. GARRETT, Examiner.

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US2461201 *Jul 4, 1945Feb 8, 1949Robert P EllisFlexible and/or elastic self-locking band
US2552699 *Nov 5, 1949May 15, 1951Charles C WarfieldEmergency key holder for automobiles
US2589349 *Nov 10, 1948Mar 18, 1952Ervin P DiefenbachMagnetic key case
US3007568 *Jul 3, 1958Nov 7, 1961Kurland JacobMagnetic key holder
GB845526A * Title not available
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3262479 *Oct 20, 1964Jul 26, 1966Leguillon Charles WConcealment means for keys
US3302678 *Jun 30, 1965Feb 7, 1967Charles W LeguillonConcealment means for keys
US3407636 *Sep 26, 1966Oct 29, 1968Nicole Kovacevic BorisKey holder
US3563293 *Apr 16, 1969Feb 16, 1971Fisher Robert EKey case
US3785739 *Apr 14, 1972Jan 15, 1974T HodkinMagnetic writing instrument
US4300610 *Jan 31, 1980Nov 17, 1981Bermas Plastics Company, Inc.Card-like holder
US4312684 *Apr 7, 1980Jan 26, 1982General Motors CorporationSelective magnetization of manganese-aluminum alloys
US4457425 *Apr 21, 1983Jul 3, 1984Phelon Magnagrip Co., Inc.Magnetic holder for keys and the like and method of manufacturing the same
US4677835 *Apr 10, 1986Jul 7, 1987Donald AlmbladPlastic card/key combination and hinge structure
US4706862 *Sep 9, 1985Nov 17, 1987M.A.N.Roland Druckmaschinen AgWeb threading apparatus, particularly for threading of a rotary printing machine, or similar paper handling system
US4940250 *Jul 14, 1989Jul 10, 1990Josephine CorradoMagnetic key holder
US4946030 *Jun 20, 1988Aug 7, 1990Guridi Jose J SEmergency key holder card
US4951489 *Jun 26, 1989Aug 28, 1990Proch Nathan CKey holder
US5022247 *Nov 24, 1989Jun 11, 1991Beck J FrederickHolder for spare set of keys
US5080230 *Sep 7, 1990Jan 14, 1992Winnard Stanley DMagnetic socket holding and storage apparatus
US5148916 *Sep 25, 1991Sep 22, 1992Tillyer Sr John NRazor blade carrier
US5221006 *Feb 21, 1992Jun 22, 1993Plumlee Bille LMagnetic article holder
US5313181 *Jan 7, 1993May 17, 1994Lisle CorporationMagnetic socket holder
US5316143 *Nov 12, 1992May 31, 1994Horn Billy LDevice for holding cylindrical socket heads
US5660276 *Oct 5, 1994Aug 26, 1997Winnard; Stanley D.Magnetic tool organizers, and tool box with magnetic organizers
US5720381 *Feb 7, 1997Feb 24, 1998Betancourt; Gabriel J.Flat pack item storage
US6527112Jun 22, 2001Mar 4, 2003Victorinox AgCard-shaped storage case for articles of daily use and/or consumer articles
US7181939Aug 11, 2004Feb 27, 2007Andersen Michael TKey assembly
US20050223681 *Jun 9, 2005Oct 13, 2005Ray HerreraSlotted key storage device and method
US20050247585 *Apr 11, 2005Nov 10, 2005Breckwoldt Claude KLid for storing a tool
US20060032279 *Aug 11, 2004Feb 16, 2006Andersen Michael TKey assembly
USRE32914 *Feb 10, 1988May 2, 1989Creditcard Keys CompanyKey and retainer card combination
DE3827536C1 *Aug 13, 1988Nov 23, 1989Proline Handels- Und Marketing Gmbh, 8500 Nuernberg, DePlastic container with key in flat construction
DE4034727A1 *Oct 31, 1990May 7, 1992Ldf GmbhPlastic card incorporating flat tool - e.g. key, file or blade, which swivels outward for use
DE9212155U1 *Sep 9, 1992Nov 12, 1992Prager, Ivan, Dr., 6915 Dossenheim, DeTitle not available
EP0240804A2 *Mar 19, 1987Oct 14, 1987Mitsubishi CorporationPlastic card/key combination and hinge structure
WO1996010932A1 *Oct 3, 1995Apr 18, 1996Winnard Stanley DMagnetic tool organizers, and tool box with magnetic tool organizers
U.S. Classification206/37.4, 206/818, 206/37, 335/285, 335/303
International ClassificationA45C11/32
Cooperative ClassificationY10S206/818, A45C11/326
European ClassificationA45C11/32S2