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Publication numberUS2582907 A
Publication typeGrant
Publication dateJan 15, 1952
Filing dateFeb 12, 1948
Priority dateJan 28, 1946
Publication numberUS 2582907 A, US 2582907A, US-A-2582907, US2582907 A, US2582907A
InventorsKarl Kaufmann
Original AssigneeCarl Holub
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Ear protector
US 2582907 A
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Description  (OCR text may contain errors)

.Jam 15, 1952 K. KAUFMANN EAR PROTECTOR Filed Feb. 12, 1948 JNVENToR. Karl Kaufmann Patented Jan. 15, 1952 EAR. PROTECTOR Karl Kaufmann, Hofstatt Bel Neulengbach, Austria, assignor of one-fourth to Carl Holub, Cincinnati, Ohio Application February 12, 1948, Serial No. 7,975 In Austria January 28, 1946 Section 1, Public Law 690, August 8, 1946 Patent expires January 28, 1966 1 Claim.

rThis invention relates to ear protectors, such as earmu'ffs.

An object of the invention is to provide an ear protector which can be worn on the ear without the use of holding straps or spring members.

A further object of the invention is to providean ear protector which is securely held on the ear without the assistance of any spring means as the result of such a shape of the inner edge of an inner wall of the ear protector that for putting on the ear protector it must be placed upon the ear in a position which is different from the wearing position and then be turned into the wearing position.

The ear protector according to the invention is of pocket-like character having an outside wall and secured thereto an inside wall in the form of a flat plate of essentially rigid material between which two walls, when the ear protector is in use, the ear to be protected is enclosed. This inside Wall has an uninterrupted outer edge and an inner edge shaped so as to substantially t the ear root when the ear protector is in wearing position on the ear.

In the accompanying drawing which, by way of example, shows one embodiment of the invention as a protector against cold:

Fig. 1 is a front elevation, Fig. 2 a back elevation, and Fig. 3 a central vertical section of an ear protector, such as an earmuif.

Secured to one side of a closed oval frame c formed by the uninterrupted outer edge of a flat plate a of rigid material, such as cardboard or the like, is a full wall b made of a material having poor heat conduction characteristics, preferably fabric. This Wall b which, when the ear muli is in use, is situated at the outside of the ear, forms together with the ilat plate or diaphragm a a pocket adapted to accommodate the ear conch. The inner edge of the diaphragm a has a shape which corresponds to the shape of the ear root so as to delimit a substantially oval opening e. As will be realized from Fig. 2, which illustrates an ear protector for a right ear, it would not be possible to put the ear protector on the ear conch in the position shown in Fig. 2, which is the wearing position. However, the longitudinal dimension of the substantially oval opening e of the diaphragm a is chosen so as to correspond approximately to the width of the ear conch,

and by slipping the ear protector in horizontal position (which differs from the position shown in Fig. 2 by 90) onto the upper edge of the ear conch and then turning the protector back through a quarter turn to bring it into the Wearing position shown in Fig. 2, the ear protector can be properly applied to the ear. When so applied, the whole ear conch is situated behind the iiat plate a Without the conch being subjected to annoying pressure or to a tension which might impede the blood circulation.

The outer edges of the flat plate a and the wall b are preferably faced with a` band or ribbon d.

What I claim is:

A pocket-like ear protector, comprising an outside wall adapted to cover the conch of an ear at the front side thereof in the wearing position of the ear protector and an inside wall for covering the rear side of said conch, said inside wall being in the form of an essentially rigid flat plate having an uninterrupted outer edge, a marginal portion of said outside wall being secured to said inside wall along said uninterrupted outer edge of the latter, and said inside wall having an inner edge shaped substantially in the form of an oval whose long axis is of a length which is sub-- stantially smaller than the heighth of the ear conch and approximately equal to the width of said conch which necessitates placing the ear protector upon the upper portion of the ear conch in a position approximately at right angles to the wearing position, said oval substantially fitting the ear root when the ear protector is turned from said rst named position into its wearing position.

KARL KAUFMANN.

REFERENCES CITED The following references are of record in 'the le of this patent:

UNITED STATES PATENTS Number Name Date 2,325,150 Sahlmann July 27, 1943 2,378,398 Fielder June 19, 1945 2,396,113 Motley Mar. 5, 1946 FOREIGN PATENTS Number Country Date 532,613 Great Britain Jan. 28, 1941

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US2325150 *May 22, 1942Jul 27, 1943Losala IncEar protecting device
US2378398 *Mar 21, 1941Jun 19, 1945Herbert PieningEarcap
US2396113 *Nov 23, 1943Mar 5, 1946Lester Motley RobertEar protector
GB532613A * Title not available
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3479669 *Aug 29, 1967Nov 25, 1969Bolt Beranek & NewmanAcoustical ear muff and the like
US4713843 *Feb 2, 1987Dec 22, 1987Karen DuncanSelf-supporting ear protector
US4872219 *May 2, 1988Oct 10, 1989Karen DuncanSelf-supporting ear protector
US5339467 *Dec 27, 1988Aug 23, 1994Nu-Life Inc. Of IllinoisHang-type earmuff and method of manufacture
US5778455 *Apr 15, 1997Jul 14, 1998Joseph; Dephillia M.Ear cover
US6055672 *Jul 2, 1999May 2, 2000Natvig; TomEar held earmuff
US6880174Dec 30, 2002Apr 19, 2005180S, Inc.Ear protection device
US6920645Jan 3, 2003Jul 26, 2005180S, Inc.Apparatus and method for making an ear warmer and an ear warmer frame
US6978483Apr 9, 2004Dec 27, 2005180S, Inc.Apparatus and method for making an ear warmer and an ear warmer frame
US7210173Apr 18, 2005May 1, 2007180S, Inc.Ear protection device
US7212645Aug 12, 2003May 1, 2007180S, Inc.Ear warmer with a speaker system
US7222373Aug 12, 2003May 29, 2007180S, Inc.Ear warmer having a membrane forming a receptacle
US7614091Jan 3, 2007Nov 10, 2009180S, Inc.Apparatus and method for making an ear warmer and an ear warmer frame
US7617543Jun 6, 2007Nov 17, 2009180S, Inc.Apparatus and method for making an ear warmer and an ear warmer frame
US7650649Aug 12, 2003Jan 26, 2010180S, Inc.Ear warmer having an external frame
US7962970Oct 27, 2003Jun 21, 2011180S, Inc.Ear warmer having a curved ear portion
US7996923Dec 27, 2005Aug 16, 2011180S, Inc.Apparatus and method for making an ear warmer and an ear warmer frame
US8325961Mar 20, 2007Dec 4, 2012180S, Inc.Ear warmer with a speaker system
US8438666Nov 16, 2009May 14, 2013180S, Inc.Ear warmer with adjustability
US8443466Jan 22, 2008May 21, 2013180S, Inc.Ear protection device
US8713714Aug 15, 2011May 6, 2014180S, Inc.Apparatus and method for making an ear warmer and an ear warmer frame
Classifications
U.S. Classification2/209, D29/112
International ClassificationA61F11/06, A61F11/00
Cooperative ClassificationA61F11/06
European ClassificationA61F11/06