US1584662A

US1584662A - Ear cushion

Info

Publication number: US1584662A
Application number: US714618A
Authority: US
Inventors: Schulhoff Saul
Original assignee: Individual
Current assignee: Individual
Priority date: 1924-05-20
Filing date: 1924-05-20
Publication date: 1926-05-11
Anticipated expiration: 1943-05-11

Description

S. SCHULHOFF EAR CUShTON m, (AfL/L Filed May 2o, 1924 SAUL SCHULHOFF, OF TRENTON, NEW JERSEY.

EAR CUSHION.

Application filed May 20,

rlhis invention comprehends certain new and useul improvements in cushions for the ear pieces of telephone or radio head sets, and the invention has for its object a simple device of this character so formed that it can be easily and cheaply manufactured out olI ordinary solid molded rubber as distinguished from sponge rubber or other highly elastic soft rubber, while at the same time sutiicient pneumatic action is secured which will render the device comfortable when pressed against ones ear.

In the accompanying drawing- Figure l is a transverse sectional view taken through a cushion constructed in accordance with an embodiment of my invention and in applied position, the associated receiver being diagrammatically indicated by broken lines, the line of section being taken substantially on the line 1--1 ot Figure 2;

v Figure 2 is a view in front elevation ot the cushion as illustrated in Figure 1 Figure 3 is view in rear elevation of the cushion as herein disclosed.

My improved ear cushion for telephone receivers and the ear pieces of telephone and radio head sets is a molded article consisting ot' a circular hollow rim portion l, the interior of which forms an annular chamber 2, and an integral skirt or band 3 which is preferably tapered in cross section as best illustrated in Fig. l, and which is designed to encircle and snugly embrace a receiver R or the like, as indicated in dotted lines, so as to hold the device securely in place.

The front tace ln ot the rim portion l tapers inwardly as shown and forms the front wall of a circular disc-like member 4f which is formed with the centrally disposed aperture designed to register with the opening in the receiver or car piece to which the. cushion is attached.

lt is to be especially noted that the tapered edge ot' the disc el forms an annular, laterally projecting` rib (i which is .in transverse re istry with a corresponding or complemental annular rib 7 pr jecting inwardly at the junction of the skirt or band 3 with the rim portion l, these two annular ribs (l and 'l' being slightly spaced from each other as shown, to produce an annular restricted opening 8 which establishes communication between the chamber 2 and the atmosphere or interior of the skirt or band 3 in the normal condition of the device. ln other words, the chamber 2 is, by means of 1924. Serial No. 714,618.

this annular opening 8, normally open at one side to the atmosphere but it is to be understood that the word normal is used in a comparative or relative sense. That is to say, it is meant to qualify the device when it is in its ordinary condition unapplied to the receiver or ear piece. `When the device is applied to the receiver or ear piece, the latter will abut against the ribs 6 and 7 and close up the opening` 8 whereby the rim l will be pneumatically sealed to all intents and purposes, at least sutliciently to produce a very soft structure which will be comfortable when pressed against ones ear while at the same time there is no true pneumatic cushion formed such as would be liable to easy puncture and the device while made ot the Ordinar solid`m ilcled rubber, will have the desiree eit'ectwitliutbhrg-tormed olI the relatively expensive sponge rubber or other highly elastic sott rubber which is ditlicult to manufacture into articles such as these.

l claim l. As a new article of manufacture, the herein-described ear cushion, comprising a hollow rim portion, provided with means tor attaching` it to an ear piece, and a disk-like member integrally connected with said rim and having an outer margin which constitutes an outwardly projecting annular rib, the rim being formed with a complementai inwardly projecting annular rib spaced 'from the first named rib to produce therewith a restricted annular opening, as and for the purpose set forth.

2. As a new article of manufacture, the herein-described ear cushion formed ot solid rubber and comprising a circular rim portion provided with an annular chamber, an instrument-encircling band integrally connected with said rim,- a disk-like member also integrally connected with said rim within said band, the outer margin ot the disklike member constitutingl an outwardly projecting annular rib and the rim being termed with a complemental inwardly projecting annular rib in transverse registry with the :Erst named rib and spaced therefrom to produce a restricted annular opening establishing communication between the chamber and the rim and the interior ot the band as and for the purpose set forth.

In testimony whereof I hereunto aliix my signature.

SAUL SCHULHOFF.

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