US2461604A - Protective device - Google Patents

Description

Feb. 15, 1949. HUNTSMAN 2,461,604

PROTECTIVE DEVICE Filed May 28, 1945 2 Shets-Sheet 1 Feb. 15,1949.

F. D. HUNTSMAN 2,461,604

PROTECTIVE DEVICE 2 Sheets-Sheet 2 Filed May 28, 1945 Patented Feb. 15, 1949 UNITED S ATES;

PROTECTIVE DEVICE Francis D. Huntsman, Salt Lake City, Utah Application May 28, 1945, Serial'No. 596,333

2- Claims.

This invention relates to protective devices in which a shield carried by headgear is held normally in front of the users face, the shield. being swingable upwardly to bring it out of the users line of sight when he desires to have clear vision without face protection.

Some devices of the prior art include means to retain eye-protective colored lenses of a shield normally in the line of sight of average users. For example, my own Patent No. 1,601,830 shows shieldcarrying gear that comprises head and crown bands and a shield, having a window, pivotally mounted thereon. One of the pivot members is disposed through two control members, one fixed on the headgear and the other on the side of the shield body. Each of these members includes a disc that has alternate radial ridges and furrows, and there is a stop to limit downward movement of the shield. The two control members are urged together by a spring, They so are related that downward movement of the shield is stopped when the window of the shield is in the line of sight of an average user. 1

Although the corelation of the control parts is such that the window is held in the line of sight of users having heads of average relative proportions, with other users the window is not always in the line of sight when the shield is in front of the face. Moreover, it is desirable for all users to be able to make adjustments to position the window to conform to their normal direction of work sight, and also to conform to abnormal conditions as when the work is low or overhead.

It is an object of the invention to provide emcient and easily altered means to adjust the protective glass of a protective device both to conform to a users head proportions and to the line of sight he requires for his work.

When considered with the description herein, characteristics of the invention are apparent in the accompanying drawings, forming part hereof, wherein an adaptation of the invention to a welders shield is disclosed for purpose of explanation.

Like reference-characters refer to corresponding parts in the views of the drawing, of which- Fig. 1 is a side elevation of the shield;

Fig. 2 is a view of one of the control members;

Fig. 3 is a view of the other control member;

Fig. 4 is an enlarged view showing assembled control parts;

Fig. 5 is a rear elevation;

Fig. 6 is a section on line 6-6, Fig, 4;

Fig. 7 is a view of an alternative arrangement of control parts.

The headgear of the device comprises a head- 2 band H3 and a crownband ll fixed tothe headband at-diametrically opposite places. These two parts may have means for adjustment of their size to conform to that of a users head and other partsnot elsewhere referred to herein, as they do not relate directly to this invetnion.

The shield body comprisesa crown wall l2for top-of-the-head' protection, a front wall 13 for face-and-eye protection, a window M in the front wall having transparent material (usually referred to in'the art as lenses); side members 16 for side-of-the-head protection, and a lower wall it for chin protection, Reenforceme-nt fiat memhers is and is are secured to the inner sides of the side walls i6.

The shield body is pivotally mounted on the headgear by a pin 29, at one side, which is disposed through the member I8 and the head and crown bands ill-H, and by a diametrically opposite pin 2-! disposed through the head and crown bands, the member I9, and a side wall of the shield body. The pin 2| extendsoutside of the side walLar-rd there has aremovable head 22 held thereon by a cotter-pin 23 or other suitable means, A spring 24 on the pin 2| is interposed between the head 22 and the shield body side wall, and it is tensioned to urge the pin outwardly.

A plate-like member 25, preferably of metal, is secured to the outside of the headgear, as by being riveted at one end to the crownband. The pin it is disposed through the other end portion of the member 25. That member is formed with a rack 25, which as shown may have a plurality of spaced holes or seats 2'! arranged transversely of the member.

A control element 28 is associated with member 25. It comprises a disc 29, through which the pin 2| is disposed. The disc 29 is formed with radial V-shaped ribs 30. The disc 29 has an arm 32 of spring properties extending over the fixed member 25 and a pin or other projection 33 capable of engaging the rack 26, whereby the disc 29 is prevented from turning with respect to the headgear.

A control member 34, similar to and cooperable with the element 28, comprises a disc 35.

The disc 35 is formed with radial V-shaped ribs 38 of number, size, and disposition corresponding to those of the disc 29. The pin 2| is disposed through the disc 35, which is secured to a side wall of the shield body by having its arm 38 riveted or otherwise attached to the reenforcement member is.

A lip-like stop 39 on the'disc 35 protrudes into the path of movement of the arm 32, whereby swinging movement of the shield body is stopped when it reaches its normal position.

The spring 24 urges the discs 29 and 35 together and normally keeps the ribs 30 of disc 25 in the ribs 36-015 disc 25 and the shield body in the position to which swung, and yet the spring yields to permit the ribs of one disc to ride over those of .the other disc during swinging movement of the shield body. The ridges and furrows of the discs are of such number and spacing that the shield body may be swung from and to position in front of the users face by ridges shifting to the next adjacent furrows.

The relationship of the radial ridges and furrows of the disc 29 to the headgear and thus the position of the window of the shield body to the eyes of the user when arm 32 is against the stop 39 is determined by the position of that arm with respect to the headband. When the median horizontal line of the window is not in the users line oi. sight or when he wants to raise or lower the direction of his view, he flexes the arm 32 from the rack 26 to permit the arm 32 and thus the disc to be shifted with respect to the headgear. Thus the protective position of the shield body can be adjusted to meet the requirements of the user.

Instead of associating the fixed member 25 and the control member 28 adjustable thereon directly with a part of the headgear and fixing the control member 34 on the shield body wall, these parts may be reversed; that is, as shown in Fig. 7: As'seen in that view, the plate-like member 25 is secured to the reenforcement member l9 and the control member 34 is secured to the headgear,

with the cooperating parts in substantially the same relative positions as hereinbefore explained.

Although the invention is described in association with a shield of the welders type, it also is adaptable to protective devices of other types. For example, the adjustable control member 23 may be associated with headgear in substantially the same manner as before described and the co acting control member 34 may be fixed to a member carrying an eyeshield.

I claim:

1. In a protectivedevice, a headgear member, a shield having a side member disposed outside of said headgear member, a pivot on one side of the device on which said members are mounted, a plate fixed to one of said members adjacent to said pivot, a rack on said plate, a control element comprising a disc turnable on said pivot and a spring arm disposed over and cooperable with said rack, another control disc on said pivot fixed on said other member, said discs having interlocking radial ridges ridable over one another, a spring urging said discs together, and a pivot on the other side of the device on which said headgear member and shield member are mounted.

2. In a protective device, a head contacting band, a shield having a side member disposed outside of said band, a pivot on one side of the device on which said band and side member are mounted, a rack fixed to said band, a control element swingable on said pivot and having a part cooperable with said rack, another control element on said pivot fixed on said shield side member, said control elements having cooperating parts retraining relative turning movement thereof, a spring urging said control elements together, and a pivot on 'the other side of the device on which said band and shield side member are mounted.

FRANCIS D. HUNTSMAN.

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

UNITED STATES PATENTS Number Name Date 1,601,830 Huntsman Oct. 5, 1926 2,320,244 Maillart May 25, 1943 2,400,480 Bowers May 21, 1946

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