Патент USA US2409643код для вставки
‘ 22, 1946. w. D. O’QUINN ' 2,409,641 VENTILATING A'II‘TAGHMENT'FOR WELDER’S HELMETS Filed Aug. 8, 1945 ‘ ' ~ 2 Sheets-Sheet l ?iia} 242222] 0511577», v 1 I ' By WWW Oct. 22, 1946. _ w. D. O’QUINN ’ . 2,409,541 VENTILATINGVAT'ILACHMENT FOR WELDER’S HELMETS Filed Aug. 8, 1945 ' '2 Sheets-Sheet 2 3’ E5155. /4 Inventor . , 9 , EZZZM ?anzeZ @azzm, Patented ‘Oct. 22, 1946 2,409,641 UNITED STATES PATENT OFFICE 2,409,641 VENTILATING ATTACHMENT FOR WELDERS’ HELMETS Wilbur Daniel O’Quinn, Wilmington, N. 0. Application August 8, 1945, Serial No. 609,616 3 Claims. 1 The present invention relates to new and useful improvements in welders’ helmets, and more par ticularly to means for ventilating the inside of the helmet and thus to cool the head of the person Wearing the same. An important object of the present invention is to provide means for attaching an air hose to the head band to which the helmet is pivotally attached and without interfering with the move. ment of the helmet into its raised or lowered (Cl. 2-8) 2 A pair of ?exible hose l4 and I5 extend from the sides of the ?tting l9 and are attached in a forwardly extending position at the sides of the A further object is to provide a device of this horizontal head band 6 by means of clamps l6. Accordingly, in the operation of the device, air is admitted into the hose II by the opening of the valve I3 and is discharged forwardly at the inside of the helmet 5 at opposite sides of the horizontal head band 6 for circulation around the head of the wearer and thus serve to cool the head of the ‘person wearing the helmet. In view of the foregoing description taken in character of simple and practical construction, conjunction with the accompanying drawings, it position. which is efficient and reliable in operation, rela is believed that a clear understanding of the con tively inexpensive to manufacture and attach in 15 struction, operation and advantages of the device position to the helmet without necessitating any will be quite apparent to those skilled in this art. material changes or alterations therein and which A more detailed description is accordingly deemed otherwise is well adapted for the purpose for unnecessary. which the same is intended. It is to be understood, however, that even Other objects and advantages reside in the de 20 though I have herein shown and described a pre tails of construction and operation as more fully ferred embodiment of my invention that the hereinafter described and claimed, reference same is susceptible to certain changes fully com being had to the accompanying drawings form prehended by the spirit of the invention as herein ing part hereof, wherein like reference numerals described and the scope of the appended claims. refer to» like parts throughout, and in which: What I claim‘ is: Figure l is a side elevational View with parts l. A ventilating attachment for welders’ hel broken away and shown in section, mets of a type including a horizontal and a ver Figure 2 is a rear elevational View, and tical head band, a T ?tting attached to the ver Figure 3 is a fragmentary sectional view taken tical head band, an air hose attached to said T substantially on a line 3-3 of Figure 2. ?tting and extending downwardly behind the hel Referring now to the drawings in detail, met, and a pair of hose sections attached to said wherein, for the purpose of illustration, I have ?tting at the sides thereof and extending down disclosed a preferred embodiment of the inven wardly into the helmet at the sides of the hori tion, the numeral 5 designates a welder’s helmet zontal head band. of conventional construction and which includes 35 2. A ventilating attachment for welders’ hel horizontal and vertical head bands 6 and 1. One mets of a type including a, horizontal and a ver of the sides of the helmet is pivotally attached tical head band, a T ?tting attached to the ver by means of a pin 8 to the vertical head band 1 tical head band, an air hose attached to said T to provide for the raising and lowering of the helmet in front of the face of a person. The helmet 5 and head bands 6 and ‘l are of conventional construction, and accordingly a de tailed explanation thereof is not believed neces ?tting and extending downwardly behind the helmet, a pair of hose sections attached to the sides of said ?tting and extending downwardly and forwardly at the sides of the horizontal head band and means for attaching said hose sections sary. to the sides of the horizontal head band. To the vertical band ‘I is secured a pair of split 45 3. A ventilating attachment for welders’ hel clamps 9 by means of which a pipe T is clamped mets of a type including a horizontal and a ver in position on top of the head band. tical head band,‘ a T ?tting attached to the ver A hose H is attached at one end to the rear tical head band, an air hose attached to said T end of the T I0 and extends downwardly at the ?tting and extending downwardly behind the hel back of the helmet and is attached to the belt met, a pair of hose sections attached to the sides or other suitable garment of the welder at the of said ?tting and extending downwardly and waist thereof by means of a conventional form forwardly at the sides of the horizontal head of resilient fastener I2. The hose H leads to a band, and means for attaching said hose sections suitable source of compressed air, and at its point to the sides of the horizontal’head band, means of attachment to the belt or other garment of 55 for attaching the ?rst-named air hose to the the welder, the hose II is provided with a man back of a person, and a valve in said air hose. ually controlled valve I3. WILBUR DANIEL O’QUINN.