US1598354A - Pressure attachment for head sets - Google Patents

Description

J. M. LQWREY PRESSURE ATTACHMENT FOR HEAD S ETS Filed Sept. 25, 1925 H n m" Jahn M. Low/*6 v fi v bkozm Patented Aug. 31, 1926.

UNITED STATES JOHN M. LOWREY, OF WASHINGTON, DISTRICT OF COLUMBIA.

\ I PRESSURE ATTACHMENT FOR HEAD SETS.

My invention relates to a device adapted to be readily attached to the common type of ear phones now in use in connection with radio reception without the necessity of changing or altering the ear phone in any manner and has for its object to provide a means for relieving the pressure upon the ears caused by the pressure exerted upon the ear phones due to the tension of the head band.

A further object of the invention is to provide a means whereby the pressure upon the ears may be regulated to suit the wearer of the ear phones. 4

A further object is to provide a device of the type to be described which is simple in construction and inexpensive in manufacture but at the same time efficient in its purpose.

lVith these objects and other objects hereinafter set forth in view, my invention consists in the construction and combination of elements hereinafter described and claimed and while it is to be pointed out that this form shown in the drawings is the preferred construction of my device it is to be understood that I may deviate therefrom without departing from the spirit of the invention as set forth in the claim.

It is a known fact by those who use ear phones in connection with radio reception and the like, that the use thereof for any appreciable length of time causes the ears to become sore and painful. In the device of y present invention it is the purpose thereof to provide a spring wire arrangement adaptable to (it the upright rods of the ear phones and extend downwardly under the chin. By providing an adjustable means under the chin and attached to this spring wire the pressure may be regulated to suit the wearer.

Referring to the drawings Figure 1 is a front plan View of a head set showing my device as attached thereto.

Figure 2 is a detail sectional view of the clamping member adapted to engage the side portions and to hold the cords from th ear phones.

Figure 3 is a fragmentary view of the adjusting means or turnbuckle showing the knurling on the outside thereof.

in the drawings 1 indicates the usual head band of the head phones; 2 and 3 Application filed September 25, 1925. Serial No. 58,546.

dicate the ear phones; and 4 and 5 represent the usual rod connection between the head piece and the ear phones respectively.

A piece of spring wire is bent substantially to form a U shaped member having parallel side portions 6 and 7, the upper ends of which are bent inwardly to form a hook 8 and 9 adapted to engage the posts 4 and 5 of the ear phones extending through the usual connections at the extreme ends of the head band 1. The lower portion of the U shaped member is bent inwardly and downwardly to form parallel side portions 10 and 11 of a-lesser diameter than that of the side portions 6 and 7 and the lower curved portion 12 is permitted to extend downwardly far enough to prevent any interference with the chin.

As a means for adjustment of the ear phones through this U shaped member I have provided a turnbuckle 13 which is interiorly screwthreaded with a right and left hand thread respectively. Rods 14 and 15 similarly screwthreaded are adapted to engage the screwthreads of the turnbuckle 13. At the outer ends of these rod members are double clamp members 16 and 17 rigidly secured thereto and provided with openings 18 and 19. The openings 18 are adapted to fit over and hold securely therein the side portions 10 and 11 while the outer openings 19 are provided to receive the ordinar 1 cords 20 and 2-1 attached to the ear phones. As an assistance for rotating the turnbuckle 13 I have provided a knurling 22 on the outer surface thereof.

In adjusting the device where it is found that the ear phones produce too great a pressure upon the ears it is only necessary to rotate the turnbuckle'in the proper direction to cause the rods to travel outwardly. This outward travel causes pressure against the parallel side portions 10 and 11 causing them to be forced outwardly and at the same time causing the upper side port-ions to be likewise thrust outwardly. Due to the fact that the upper ends of the side portions are hooked to engage the rods 4 and 5 it will be readily seen that any movement of these side portions will necessarily cause a similar movement of the rods at and 5 holding the ear phones thereby drawing them away from the ears and. relieving the pressure therei'froma comprising a U shaped member formed of resilient material, having its ends shaped to form hooks adapted to engage the stems carrying the receivers and force them outward. against the inward pressure of the head band, and adjustable means for regulating the force of the U shaped member.

In testimony whereof, I hereunto aflix my signature.

JOHN M. LOIVREY.

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