|Publication number||US2706815 A|
|Publication date||Apr 26, 1955|
|Filing date||Sep 9, 1952|
|Priority date||Sep 9, 1952|
|Publication number||US 2706815 A, US 2706815A, US-A-2706815, US2706815 A, US2706815A|
|Inventors||Alfred F Parmelee|
|Original Assignee||Parmelee Plastics Co|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (2), Referenced by (12), Classifications (4)|
|External Links: USPTO, USPTO Assignment, Espacenet|
April 26, 1955 A. F. PARMELEE 2,706,815
INTERLOCKING STRUCTURE FOR GOGGLE FRAME AND SHIELD Filed Sept. 9. 1952 INVENTOR.
\ ATTDR United States Patent INTERLOCKING STRUCTURE FOR GOGGLE FRAME AND SHIELD Alfred F. Parmelee, Kansas City, Mo., assignor to Parmelee Plastics Company, Kansas City, Mo., a corporation of Missouri Application September 9, 1952, Serial No. 308,632
2 Claims. (Cl. 2-14) This invention relates to goggles designed to protect the eyes of the wearer against dust, dirt and flying objects, the primary object being to provide a two-piece assembly including a transparent eyeshield and a supporting frame formed and shaped to conform to the face and head of the wearer against which the frame rests in normal use, there being novel interlocking structure for releasably interconnecting the frame and the shield.
It is the most important object of the present invention to provide a goggle assembly wherein an elongated eyeshield of transparent material has a plurality of notches at its periphery, shaped to complementally receive a like number of wedge-shaped ribs formed integrally as a part of the frame.
Another object hereof is to provide a goggle assembly wherein the aforementioned ribs are disposed within a continuous groove within the frame for receiving the shield in engagement with the periphery of the latter and overlapping the opposed, marginal edges of the shield adjacent its periphery.
Other objects include the way in which the ribs terminate inwardly from the outermost edges of the frame forming the groove thereof; the way in which the ribs of the frame extend laterally from the bight of the groove thereof and are integrally joined with the opposed flanges forming the groove; the manner of providing a novel nose piece in the frame that is likewise formed with a rib to receive a notch in the shield; and other objects including important details of construction, all of which will be made clear as the following specification progresses.
In the drawing:
Figure l is a front perspective view of interlocking structure for a goggle frame and shield made pursuant to my present invention, parts being broken away and in section for clearness.
Fig. 2 is a vertical, cross-sectional view taken on line IIII of Fig. 1 looking in the direction of the arrows.
Fig. 3 is a fragmentary, outermost elevational view showing the front of the goggle assembly, parts being broken away and in section to reveal details of construction.
Fig. 4 is an enlarged, fragmentary, detailed, crosssectional view taken on line IVIV of Fig. 3; and
Fig. 5 is an enlarged, fragmentary, detailed, crosssectional view taken on line VV of Fig. 3.
The goggle assembly about to be described is designed to provide an improved means for interconnecting the shield and frame so that the same may be made from differing materials not otherwise easily interconnected except through more expensive materials and workmanship.
The shield hereof may be easily and quickly mounted on the frame and removed for replacement or cleaning, when and if such should become necessary. In the drawing, the eyeshield is broadly designated by the numeral 10, whereas its supporting frame is designated by the numeral 12.
Shield may be made from any suitable transparent material such as lightweight, resilient plastic, and while in the particular form of the invention chosen for illustration, shield 10 does not take the form of a pair of corrected lenses, it is preferably arched both longitudinally and transversely to avoid distortion when placed in use. It is to be preferred however, that the frame 12 be produced from a soft, lightweight, highly pliable plastic substance that will readily conform to the face and head of the wearer around the eyes and rest thereagainst without discomfort to the user.
To this end therefore, the innermost periphery, except only for the nose notch 14 of frame 12, is provided with a continuous, transversely rounded bead 16. It is to be noted that that edge of the frame 12 defined by bead 16, conforms to the forehead at the top thereof to the upper portions of the cheek on each side of the nose notch 14 respectively and extends rearwardly at both sides thereof in a pair of wings 18 adapted to receive any suitable type of head fastening means not herein illustrated.
Frame 12 is provided with an opening 20 at the front thereof conforming in shape and size to the shield 10 which it surrounds. The opening 20 is defined by a continuous, inturned groove that receives the shield 10 at the periphery thereof, such groove being defined by a pair of spaced, parallel flanges 22 and 24 and a bight 26 that forms the bottom wall of the groove. When the shield 10 is mounted within the groove of frame12, its peripheral edge engages the bight 26 and the flanges 22 and 24 overlap both of the opposed, marginal edges of shield 10.
Frame 12 has a plurality of inwardly extending wedgeshaped ribs 28 within the groove thereof integral with the bight 26 and with the opposed flanges 22 and 24. Ribs 28 terminate inwardly from the innermost edges of the flanges 22 and 24 as illustrated in Fig. 3 of the drawing, and each rib 28 respectively is received by a similarly shaped notch 30 in the shield 10. Thus, each notch 30 is provided with a pair of opposed edges that converge as the periphery of the shield 10 is approached, the innermost end of the ribs 28 being fiat and engaging the bottom of the notches 30. Shield 10 is likewise provided with a nose-receiving notch 32 that is substantially V-shaped and extends upwardly from the lowermost edge thereof midway between the ends of the shield 10. Notch 32 receives an upward projection 34 in the frame 12 and a V-shaped rib 36 within the groove of frame 12 integral with bight 26 and flanges 22 and 24, is seated within the notch 32.
Shield 10 is provided with a pair of opposed, upwardly facing shoulders 38 against which the rib 36 rests when the shield 10 is locked in place within the groove of frame 12. It is to be noted that the rib 36, like the ribs 28, terminates inwardly from the innermost edges of flanges 22 and 24 and that the wedge-shaped rib 36 fits complementally within the notch 32 of shield 10 above the shoulders 38.
The frame 12 being made from pliable material will yield sufficiently to permit insertion and removal of the shield 10. Once shield 10 is in place however, the wedge-shaped ribs 28 and 36 will not only hold the shield 10 against lateral displacement from within the groove formed by flanges 22 and 24 and bight 26, but will hold the shield 10 against lateral displacement in all directions with respect to frame 12.
Having thus described the invention what is claimed as new and desired to be secured by Letters Patent is:
1. In a goggle, an eye protecting shield of stifi, transparent material and having an inwardly extending notch formed in its marginal edge at each of a plurality of spaced apart points around the periphery thereof; and a unitary, molded frame circumscribing the shield, said frame being formed of flexible, relatively soft material, contoured to conform to the face of the wearer around the eyes and across the nose, provided with a pair of continuous, spaced apart, inwardly directed flanges, each having a continuous free edge overlying the said marginal edge of the shield when the goggle is assembled, said frame being further provided with a rib bridging the space between the flanges at each of a plurality of spaced apart points around the frame, there being a rib for each notch of the shield, said ribs and said notches each being dove-tailed in form with straight side and base edges, the base edges of the ribs and notches being spaced inwardly from the free edges of the flanges, the width of the mouth of each notch being great enough to permit ready insertion and removal of the proximal rib during assembly and disassembly of the shield and frame respectively whereby, when the shield and frame are assembled, the shield serves to maintain the frame in extended condition to conform to the face of the wearer when in place.
2. In a goggle as defined by claim 1 wherein said shield is provided with an upwardly-extending notch and at least one shoulder on the edge of the shield forming the upwardly-extending notch; and wherein said frame is provided with a nose-receiving projection extending upwardly into the upwardly-extending notch, said projection having means disposed in overlying engagement with said shoulder for holding said projection within the upwardly-extending notch and thereby cooperating with said ribs and said dovetail notches in maintaining the frame on the shield.
UNITED STATES PATENTS
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|Citing Patent||Filing date||Publication date||Applicant||Title|
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