US2056692A - Respirator - Google Patents

Respirator Download PDF

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Publication number
US2056692A
US2056692A US745780A US74578034A US2056692A US 2056692 A US2056692 A US 2056692A US 745780 A US745780 A US 745780A US 74578034 A US74578034 A US 74578034A US 2056692 A US2056692 A US 2056692A
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Prior art keywords
frame
nose
member
rods
frictionally
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Expired - Lifetime
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US745780A
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Daniel H Roche
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Daniel H Roche
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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00Filters for breathing-protection purposes
    • A62B23/02Filters for breathing-protection purposes for respirators
    • A62B23/025Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask

Description

D. H. ROCHE Oct. 6, l936 RESPIRA'IOR Filed Sept. 2'7, 1934 2 Sheets-Sheet 1 I nvento Attomey oct. a, 193s.v D, H, ROHE I2,056,692

RESPIRATOR Filed Sept. 27, 1934 2 Sheets-Shale?, 2

6% Inventor I af/f @M Patented Oct. 6, 1936 UNITED STATES PATENT OFFICE 13 Claims.

This invention relates to means for filtering the air inhaled by a person either through his nostrils or mouth, the general object of the invention being to provide a pair of these devices, one for the nostrils and the other for the mouth and each carrying filtering material, with a cord preferably of elastic material connecting the devices together in an adjustable manner, the cord having portions passing over the ears of the user for holding both devices in place.

Another object of the invention is to so construct and arrange the parts of the nose device as to make it adjustable for use with diierent size noses and for any required size of filtering material.

This invention is an improvement over that forming the subject matter of my Patent No. 1,802,275, dated April 21, 1931 and forms a continuation in part of my applications Serial No. 376,700 filed July 8, 1929 and Serial No. 656,339, led February 11, 1933.

This invention also consists in certain other features of construction and in the combination and arrangement of several parts, to be hereinafter fully described, illustrated in the accompanying drawings and specifically pointed out in the appended claims.

In describing the invention in detail, reference will be had to the accompanying drawings wherein like characters denote like or corresponding parts throughout the several views, and in which:-

Figure 1 is a perspective view of the invention.

Figure 2 is a vertical sectional view with parts in section of the nose device, this View showing how the device engages the lower part of the nose.

Figure 3 is a view of the gauze casing or pocket which is provided with a ap or extension.

Figure 4 is a view of the arcuate member with the channels at its ends for connecting two sections of a frame together.

Figure 5 is a perspective View showing the parts of the nose device separated.

Figure 6 is a section on the line 6--6 of Figure 2, showing how the extension of the sleeve engages a part of a rod.

Figure 7 is a view of the frame of the mouth device.

Figure 8 is a sectional detail view showing how the gauze casing or pocket encloses a frame and a pointed member of the frame passes through a part of the casing.

Figure 9 is a detail view showing how a sleeve (Cl. 12S-146) and having their lower extremities rolled to form l0r the sleeves 2. At the point of junction of the downwardly extending portions with the extremities of the limbs, loops 3 are formed for engaging the partition of the nose as shown in Figure 2 with the sleeve carrying parts located below l5` the nose and these parts facilitate the placing of the member in engagement with the partition and its removal therefrom and by making the strip of resilient material, it can be bent to adjust it to different sizes of nose partition members and 20 the adjustments can be made by manipulating the reduced lower portion of the U-shaped member I so as to widen or decrease the space between the loops 3.

The device also includes a pair of rods 4 each 25 of which has its lower end bent as at 5 to provide a substantially right angular part and then this part is bent again as at 6 and nally the terminal of the rod is bent upwardly to provide the vertical part l which ts in a sleeve 2 and is frictionally 30 held in place by an extension 2' depending from the sleeve and slightly bent to engage the part 1 as shown in Figures 6 and 9. Thus each part 1 is frictionally held in its sleeve but the rod can be partly turned so as to move the two rods to- 35 ward or away from each other.

An arm 8 has a sleeve 9 formed on one end thereof for slidingly but frictionally engaging each rod 4 and the free end of each arm is slightly tapered as shown in Figure 5.

The device also includes a pair of frames, each of which is composed of a pair of substanti-ally L-shaped sections I0 and an arcuate member I I which has channels I2 at its ends, one of which receives one limb of one member I0 45 and the other a limb of the other member'ID as shown in Figure 5. The opposite limbs of the two members I0 are free of each other and the outermost one of these limbs is bent into hook-shape as shown at I3. One of the channels 50 I2 is adapted to receive an arm 8 so as to support the frame from a rod 4 and all of these parts are preferably of resilient material so that after the parts are adjusted they will be held in adjusted position by friction.

As will be seen the frame composed of the parts I can be adjusted both lengthwise and to width and the frame can be adjusted on the arm 8 and the arm 8 can be slid as well as rotated on the rod 4 while the rod can be partly rotated in relation to the nose-engaging member due to the fact that its upturned end 'I can be partly rotated in the sleeve and all of the parts are frictionally hel-d in adjusted position.

A casing or pocket I4 receives each frame and one of the casings or pockets is formed with a flap or extension I5 for covering the front space between the two frames and the front lower portion of the nose, when the frames are in operative position as shown in Figure 1. Of course, each casing is provided with an openingA in one edge for permitting the frame to be inserted and removed and pointed members I6 are carried by certain parts of the frame penetrating the casing to hold the same in place. I prefer to place these pointed members one in one of the members I0 at the corner thereof and the other in the central portion of the arcuate member II as shown, though they m-ay be placed wherever desired or necessary.

From the foregoing, it will be seen that the various parts of the device can be readily adjusted to facilitate it being placed in position and. its removal and to t or conform to noses of various sizes and shaped and that the frames can be readily adjusted for accommodating any required size of filtering material or casings. These casings may be formed of any suitable material such as very fine gauze and by having the hooks I3 formed on the outermost limbs there is no danger of these ends puncturing the material.

The mouth covering member B is composed of a frame I'I of slightly resilient material covered with a filtering material I8.

In order to hold the two devices in position with the device A protecting the nostrils and the device B the mouth, I provide a cord I9 preferably of elastic material which has its intermediate part looped and tied around the lower portions 5 of the rods 4 as shown at 2|! with portions of the cord passing through the filtering material as shown vat 2l after which the cord forms two loops for passing around the ears of the wearer with hooks 22 carried by the ends of the cord for engaging the endsvof the mouth member B as shown in Figure 1. Each hook has a resilient sleeve 23 formed thereon for frictionally receiving the cord so that the length of the loops can be adjusted to suit the wearer.

Thus it will be seen that the elastic cord holds the two devices in place While the U-shaped member I with its parts 3 helps to hold the nostrils protecting device A in place and also to steady the device.

As shown in Figures l and 2, the device when in use forms a substantially V-shaped protector covering the lower end of the nose and having portions resting against the upper lip so that air inhaled through the nostrils is filtered while air inhaled through the mouth is filtered by the device B.

As before stated, the device can be adjusted to fit different sizes and shapes of noses and the frames can be moved apart to facilitate putting the device in position or removing it from position.

, The invention may be used by travelers traveling by automobile, train or the like or by persons working in dusty places and workmen whose occupation requires that the air inhaled by them be filtered to protect their health.

It is thought from the foregoing description that the advantages and novel features of the invention will be readily apparent.

It is to be understood that changes may be made in the construction and in the combination and arrangement of the several parts, provided that such changes fall within the scope of the appended claims. l

What is claimed iszf 1. A respirator of the class described comprising a member having filtering material thereon covering the nostrils, a second member having filtering material thereon covering the mouth and an elastic cord connected with the two members and having portions forming ear engaging loops for holding the two members in position, a pair of hooks each having a resilient sleeve *for frictionally engaging an end portion of the cord, said hooks engaging the ends of the mouth protecting membeiz 2. A respirator of the class described comprising a member carrying iiltering'material for covering the mouth, a second member carrying filtering material for covering the nostrils, a member forming part of the second member for engaging the partition member of the nose and an elastic cord having parts connected with the nose and mouth covering members and portions of the cord forming ear engaging means.

3. A respiratorV of the class described comprising a resilient substantially U-shaped member adapted to be engaged wth'the nose partition and provided with depending portions having sleeves thereon, rods having bent lower ends terminating in upturned portions frictionally tting in the sleeves, an arm supported for rotary and sliding movement on the upper part of each rod, frames adjustably engaging said arms and iiltering material carried by the frames.

Y `4. Avrespirator of the class described comprising a resilient substantially U-shaped member adapted to be engaged with the nose partition and lprovided with depending portions having sleeves thereon, rods having bent lower ends terminating in upturned portions frictionally fitting in the sleeves, an arm supported for rotary and sliding movement on the upper part of each rod, frames adjustably engaging said arms andltering material carried by the frames, each frame being adjustable both lengthwise and as to its Width. l

5. A respirator of the class described comprising a resilient frame having a portion adapted to be engagedwith `the nose partitionv and formed with substantially vertically depending sleeves, rods having their lower ends bent and terminating in upright portions for frictionally entering the sleeves, a pair of arms each having a sleeve 'at one end frictionallyengaging a rod, .whereby the arms can be rotated and slid on the rods, a pair of frames carryingv ltering material, each frame being composed of a pair of substantially L-shapedV sections and an arcuate shaped member having channels at its end, one receiving one limb of one section and the other a limb of the other section, whereby the frame can be adjusted as to its length and its width, one channel member slidably receiving an arm but the arm is frictionally held by the channel member.

Y 6. A nose shieldincluding a frame adapted to be engaged with the nose partition, rods carried by the frame, arms having sleeves at one end and frictionally receiving the rods,- a resilient frame formed of a pair of substantially L-shaped members and an arcuate shaped member having channels at its end each receiving a limb of an L-shaped member .and frictionally holding said limb, whereby the frame can be adjusted both as to its length and its width, one channel member frictionally receiving an arm whereby the frame can be adjusted on the arm, and filtering material enclosing the frame.

'7. A nose shield including a frame adapted to be engaged with the nose partition, rods having bent lower ends terminating in upturned portions, sleeves depending from the frame and receiving said upturned portions, an extension on each sleeve frictionally engaging an upturned portion, a pair of frames, arms adjustably supported by the rods, means for adjustably supporting the frames on the arms, and filtering material carried by the frame.

8. In a respirator of the class described, a substantially U-shaped member adapted to be engaged with the nose partition and provided with depending finger gripping portions, said member being formed of resilient material whereby it can be adjusted as to its size.

9. A nose shield or respirator including a resilient frame having a portion adapted to be engaged with the nose partition and formed with substantially vertically extending sleeves depending from the frame to= a position below the nose, rods carried by the substantially vertically extending sleeves and slidably and rotatably mounted therein and frictionally held, and filtering members carried by the rods and adjustable relative to the nose, the depending substantially vertically extending sleeves positioning the rods and filtering members to prevent any obstructions within the nose openings.

10. A nose shield or respirator including a frame adapted to be engaged with the nose partition, rods carried by the frame, and filtering members carried by the rods and adjustable relative to the nose, each of said filtering members consisting of a sectional frame, the sections being connected for sliding adjustment and frictionally held whereby the frame can be adjusted to the required size to accommodate filtering material of any required size, and one section having a sleeve to receive the rod which carries the member.

11. A nose shield or respirator including a frame adapted to be engaged with the nose partition, rods carried by the frame, and filtering members carried by the rods and adjustable relative to the nose, each of said filtering members consisting of a sectional frame, the sections being connected for sliding adjustment and frictionally held whereby the frame can be adjusted to the required size to accommodate filtering material of any required size, and one section having a sleeve to receive the rod which carries the member, and filtering material enclosing each sectional frame, the rod passing through the material and entering the sleeve.

12. A respirator of the class described comprising a resilient frame having portions adapted to be engaged with the nose partition and formed with substantially vertically depending sleeves, rods having their lower ends bent and terminating in upright positions for frictionally entering the sleeves, a pair of arms each having a sleeve at one end frictionally engaging a rod whereby the arms can be rotated and slid on the rods, a pair of frames carrying filtering material, each frame being composed of a pair of substantially L-shaped sections and an arcuate shaped member having channels at its ends, one receiving one limb of one section and the other a limb of the other section whereby the frame can be adjusted as to its length and its width, one of the channels on each side also receiving and frictionally holding the other end of an arm whereby the arms and frames can be slid or rotated for positioning with respect to the nose openings or each other.

13. In a respirator of the class described, a frame including two Lshaped members, each having its arms substantially the same length and' a substantially arcuate-shaped member having channels at its ends for slidingly and frictionally receiving one arm of the two members, whereby said frame can be adjusted both lengthwise and as to its width to accommodate filtering material of any required size and filtering material enclosing the frame.

DANIEL H. ROCHE.

US745780A 1934-09-27 1934-09-27 Respirator Expired - Lifetime US2056692A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5237986A (en) * 1984-09-13 1993-08-24 Minnesota Mining And Manufacturing Company Respirator harness assembly
US5717991A (en) * 1995-11-30 1998-02-17 Ni-Charm Corporation Disposable sanitary mask
US6497232B2 (en) 1999-02-22 2002-12-24 Cabot Safety Intermediate Corporation Respirator headpiece and release mechanism
USD473937S1 (en) 2001-10-16 2003-04-29 Cabot Safety Intermediate Corp. Respirator
US20040020489A1 (en) * 2002-07-25 2004-02-05 Gail Alston Nasal mask with replaceable filter
US20040244798A1 (en) * 2003-06-06 2004-12-09 Jung Hui Lin Nasal respirator

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5237986A (en) * 1984-09-13 1993-08-24 Minnesota Mining And Manufacturing Company Respirator harness assembly
US5717991A (en) * 1995-11-30 1998-02-17 Ni-Charm Corporation Disposable sanitary mask
US6497232B2 (en) 1999-02-22 2002-12-24 Cabot Safety Intermediate Corporation Respirator headpiece and release mechanism
USD473937S1 (en) 2001-10-16 2003-04-29 Cabot Safety Intermediate Corp. Respirator
US20040020489A1 (en) * 2002-07-25 2004-02-05 Gail Alston Nasal mask with replaceable filter
US6752149B2 (en) * 2002-07-25 2004-06-22 Realaid, Inc. Nasal mask with replaceable filter
US20040244798A1 (en) * 2003-06-06 2004-12-09 Jung Hui Lin Nasal respirator

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