WO2002069022A1 - Protective eyeglass assembly - Google Patents

Protective eyeglass assembly Download PDF

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Publication number
WO2002069022A1
WO2002069022A1 PCT/US2002/005812 US0205812W WO02069022A1 WO 2002069022 A1 WO2002069022 A1 WO 2002069022A1 US 0205812 W US0205812 W US 0205812W WO 02069022 A1 WO02069022 A1 WO 02069022A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
lens
upper edge
left portions
portions
Prior art date
Application number
PCT/US2002/005812
Other languages
French (fr)
Inventor
Luc Blanchette
Eric Lapointe
Original Assignee
Cabot Safety Intermediate Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cabot Safety Intermediate Corporation filed Critical Cabot Safety Intermediate Corporation
Publication of WO2002069022A1 publication Critical patent/WO2002069022A1/en
Priority to US10/648,754 priority Critical patent/US6811255B2/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/02—Goggles
    • A61F9/025—Special attachment of screens, e.g. hinged, removable; Roll-up protective layers
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C1/00—Assemblies of lenses with bridges or browbars
    • G02C1/06—Bridge or browbar secured to or integral with closed rigid rims for the lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C11/00—Non-optical adjuncts; Attachment thereof
    • G02C11/12—Side shields for protection of the eyes
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C5/00—Constructions of non-optical parts
    • G02C5/22—Hinges
    • G02C5/2263—Composite hinges, e.g. for varying the inclination of the lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C9/00—Attaching auxiliary optical parts
    • G02C9/04—Attaching auxiliary optical parts by fitting over or clamping on

Definitions

  • the present disclosure relates to an eyewear and more particularly to a protective eyeglass assembly for industrial use.
  • the eyeglass assembly described includes a frame with left and right lens frame portions, lens receiving apertures and frame portions, a central bridge portion connecting the frame portions and left and right temple bars.
  • the assembly also includes an integrally formed lens piece which is adapted to be detachably secured to the frame so that the user can interchange the frame and/or replace the lens piece.
  • the left and right lens panels further include stepped lens formations which are received in interfitting engagement into the lens receiving apertures of the frame when the lens piece is assembled with the frame. While the eyewear described above does provide interchangeability of a lens and/or frame portion, substantial room for improvement exists, particularly with regard to the interfitting engagement between a lens frame and a lens piece.
  • the below-described eyewear overcomes and alleviates the above-described and other disadvantages of the prior art by providing a protective eyeglass assembly which is adapted to be both comfortably worn and adjusted to fit different users.
  • the present eyewear is describes an advantageous improvement over the prior art, wherein the interfitting engagement between a lens frame and a lens piece is advantageously improved.
  • the present eyewear therefore relates to a protective eyeglass assembly which comprises: a frame having right and left portions defining respective right and left apertures and a central bridging portion between the right and left portions; the right and left portions and the bridging portion displaying an upper edge lens receiving surface and a lower edge lens supporting surface; the frame being made of flexible plastic material; a pair of ear stems respectively mounted at an upper edge extremity of the right and left portions to pivot between an inwardly folded position and an outwardly ear contacting position; and a protective lens piece made of transparent plastic material defining a unitary arcuate body and adapted to be mounted to and rearwardly of the lens piece between the upper edge extremities of the frame; the lens piece including a pair of right and left sight regions and a central bridging region; the right and left sight regions and the bridge region displaying an upper edge adapted to be received beneath the upper edge surface of the right and left portions and the central bridging portion, and a lower edge adapted to be supported on the lower edge lens supporting surface of the right
  • the cooperating means comprises a slot means on the upper surface of the right and left portions of the frame and of projection means on the upper edge of the right and left regions of the lens.
  • the retaining means comprises a rib means extending along an outer edge of a portion of the lower edge supporting surface of the right and left portions of the frame.
  • Figure 1 is an exploded top perspective view showing an exemplary embodiment of the present protective eyeglass assembly
  • Figure 2 is a top perspective view of the assembled eyeglass
  • Figure 3 is a rear perspective view of the frame with the lens shown in dotted lines;
  • Figure 4 is a top view thereof
  • Figure 5 is a cross-sectional view taken along lines 5-5 of Figure 4;
  • Figure 6 is a cross-sectional view taken along lines 6-6 of Figure 4.
  • Figure 7 is a cross-sectional view similar to that of Figure 6, showing another exemplary embodiment of the present eyewear.
  • Figure 8 is a cross-sectional view taken along lines 8-8 of Figure 4.
  • FIG. 1 there is shown the various components forming the protective eyeglass assembly, generally denoted 10, of the presently described exemplary eyewear. It includes a frame 12, a pair of ear stems 14 and 16 and a lens piece 18.
  • the frame 12 has right and left portions 18 and 20 defining respective right and left apertures 22 and 24, and a central bridging portion 26 extending therebetween.
  • the upper edge 28 of the lens has a given width and consists of three sections 28a, 28b and 28c. The under surface of the upper edge defines a lens receiving area.
  • the width of the upper end 28 is the smallest at the central section 28c and gradually increases as it curves outwardly and rearwardly towards the extremities of the end sections 28a and 28b.
  • the lens 12 is made of a flexible plastic material; again, the flexibility function will be described further hereinbelow.
  • the ear stems 14 and 16 are pivotly connected to the rearward extensions 30 and 32 through a first pin 38, 40 enabling the ear stems to move in a vertical plane and indicated by arrow 41 in Figure 5 and through a second pin 42, 44 in order to allow the ear stem to be pivoted between an inwardly folded position and an outwardly extending ear contacting position. While the various Figures show exemplary pivotal arrangements, it should be recognized that alternate pivoting mechanisms may be employed within the scope of the present disclosure, as may be known in the art.
  • the lower edges of the right and left frame portions 18 and 20 as well as the central bridging portion 26 define lens supporting surfaces 19, 21 and 27. Surfaces 19 and 21 include rear walls 23 and 25 that extend from about the middle of surfaces 19 and 21 and up to the lower surface 27 of the bridging portion 26.
  • Lens 18 consists of a unitary arcuate body made of transparent plastic material. It includes a pair of right and left sight regions 50 and 52 and a central bridging region 53. The upper edges of the regions 50 and 52 each display a flat horizontal surface 54 and 56 which progressively increases in width and in a curved manner from the central portion 54 to the outer extremities which define side shields 58 and 60. The upper surfaces 54 and 56 each displays a rectangular-shaped projection 62 and 64 which are dimensioned so as to snuggly fit into the elongated slots 34 and 36 of the lens frame.
  • the lower edges 51 and 53 of the sight regions 50 and 52 are placed on their corresponding surfaces 19 and 21 of the frame with the lower edge 55 of the lens piece resting on surface 27 of the frame. Due to the flexibility of the material of the frame, the upper part of the lens is forcingly moved to the frame so that the top surfaces 54 and 56 of the lens are positioned beneath the under surfaces of the upper edge sections 28a and 28b of the frame with the top edge 54 of the lens being received under the upper edge section 28c of the frame. The presence of projections 62 and 64 of the lens provide some hindrance to such entry.
  • the flexibility of the material of the frame will cause a slight upward movement of the frame sections 28a and 28b so that the projections 62 and 64 will slide along the undersurfaces of sections 28a and 28b until they reach and engage the slots 34 and 36.
  • a snap-in engagement of the lens to the frame Disengagement of the lens and the frame from one another is achieved in the reverse manner; in other words a slight upward force on the upper edges of the frame will free the projections 62 and 64 from their respective slots 34 and 36 and the lens is separated.
  • the projection 70 may be provided on the upper edge of the frame and its corresponding slot 72 in the upper edge of the lens. It is therefore wished to have it understood that the present invention should not be limited in interpretation except by the terms of the following claims.

Abstract

The protective eyeglass assembly described comprises a frame having right and left portions defining respective right and left apertures and a central bridging portion, a pair of ear stems respectively mounted at an upper edge extremity of the right and left portions and a protective lens piece defining a unitary arcuate body adapted to be mounted to and rearwardly of the lens piece between the upper and lower edges of the frame. The lower edge of the lens supporting surface of the frame has a retaining wall for retaining the lens therein while the upper edges of the frame and the lens piece have cooperating portions to secure the lens to the frame. The frame is made of flexible plastic material to enable a snap-in engagement and a snap-out disengagement of the lens to and from the frame.

Description

PROTECTIVE EYEGLASS ASSEMBLY
FIELD
The present disclosure relates to an eyewear and more particularly to a protective eyeglass assembly for industrial use.
BACKGROUND
There often occur in industrial use that the lens and/or ear stems of a protective eyewear breaks requiring a user to discard to the entire eyeglass and replace it with a new pair. Another problem in the industry has been to provide a standard protective eyeglass that can accommodate comfortably different sizes. It is important to provide the user with comfort when wearing such eyeglasses during work. There is therefore a need for a protective eyeglass for industrial use that can be easily mounted and/or dismounted in the event of any of its components being damaged while providing the user with comfort.
One prior art eyeglass assembly is described in U.S. Patent No. 5,796,461 issued August 18, 1998 to Stepan. The eyeglass assembly described includes a frame with left and right lens frame portions, lens receiving apertures and frame portions, a central bridge portion connecting the frame portions and left and right temple bars. The assembly also includes an integrally formed lens piece which is adapted to be detachably secured to the frame so that the user can interchange the frame and/or replace the lens piece. The left and right lens panels further include stepped lens formations which are received in interfitting engagement into the lens receiving apertures of the frame when the lens piece is assembled with the frame. While the eyewear described above does provide interchangeability of a lens and/or frame portion, substantial room for improvement exists, particularly with regard to the interfitting engagement between a lens frame and a lens piece.
SUMMARY The below-described eyewear overcomes and alleviates the above-described and other disadvantages of the prior art by providing a protective eyeglass assembly which is adapted to be both comfortably worn and adjusted to fit different users. The present eyewear is describes an advantageous improvement over the prior art, wherein the interfitting engagement between a lens frame and a lens piece is advantageously improved. The present eyewear therefore relates to a protective eyeglass assembly which comprises: a frame having right and left portions defining respective right and left apertures and a central bridging portion between the right and left portions; the right and left portions and the bridging portion displaying an upper edge lens receiving surface and a lower edge lens supporting surface; the frame being made of flexible plastic material; a pair of ear stems respectively mounted at an upper edge extremity of the right and left portions to pivot between an inwardly folded position and an outwardly ear contacting position; and a protective lens piece made of transparent plastic material defining a unitary arcuate body and adapted to be mounted to and rearwardly of the lens piece between the upper edge extremities of the frame; the lens piece including a pair of right and left sight regions and a central bridging region; the right and left sight regions and the bridge region displaying an upper edge adapted to be received beneath the upper edge surface of the right and left portions and the central bridging portion, and a lower edge adapted to be supported on the lower edge lens supporting surface of the right and left portions and the bridging portion of the frame; wherein the lower edge lens supporting surface includes means to retain the lens when mounted to the frame and wherein the upper edge surface of the right and left portions of the frame and the upper edge of the right and left regions of the lens include cooperating means to secure the lens to the frame; the flexible plastic material of the frame enabling a snap-in engagement and a snap-out disengagement of the securing means to and from one another.
In one exemplary embodiment, the cooperating means comprises a slot means on the upper surface of the right and left portions of the frame and of projection means on the upper edge of the right and left regions of the lens.
In another exemplary embodiment, the retaining means comprises a rib means extending along an outer edge of a portion of the lower edge supporting surface of the right and left portions of the frame.
Other objects and further scope of applicability of the present invention will become apparent from the detailed description given hereinafter. It should be understood, however, that this detailed description, while indicating preferred embodiments of this invention, is given by way of illustration only since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is an exploded top perspective view showing an exemplary embodiment of the present protective eyeglass assembly;
Figure 2 is a top perspective view of the assembled eyeglass;
Figure 3 is a rear perspective view of the frame with the lens shown in dotted lines;
Figure 4 is a top view thereof;
Figure 5 is a cross-sectional view taken along lines 5-5 of Figure 4;
Figure 6 is a cross-sectional view taken along lines 6-6 of Figure 4;
Figure 7 is a cross-sectional view similar to that of Figure 6, showing another exemplary embodiment of the present eyewear; and
Figure 8 is a cross-sectional view taken along lines 8-8 of Figure 4.
DESCRIPTION OF PREFERRED EMBODIMENTS
Referring to Figure 1 , there is shown the various components forming the protective eyeglass assembly, generally denoted 10, of the presently described exemplary eyewear. It includes a frame 12, a pair of ear stems 14 and 16 and a lens piece 18. The frame 12 has right and left portions 18 and 20 defining respective right and left apertures 22 and 24, and a central bridging portion 26 extending therebetween. The upper edge 28 of the lens has a given width and consists of three sections 28a, 28b and 28c. The under surface of the upper edge defines a lens receiving area. The width of the upper end 28 is the smallest at the central section 28c and gradually increases as it curves outwardly and rearwardly towards the extremities of the end sections 28a and 28b. These extremities of the lens define rearward extensions 30 and 32 to which are pivotly connected the ear stems 14 and 16, respectively. The end sections 28a and 28b of the upper edge of the lens 12 each display an elongated slot 34 and 36, the function of which will be described hereinbelow.
Also, the lens 12 is made of a flexible plastic material; again, the flexibility function will be described further hereinbelow.
The ear stems 14 and 16 are pivotly connected to the rearward extensions 30 and 32 through a first pin 38, 40 enabling the ear stems to move in a vertical plane and indicated by arrow 41 in Figure 5 and through a second pin 42, 44 in order to allow the ear stem to be pivoted between an inwardly folded position and an outwardly extending ear contacting position. While the various Figures show exemplary pivotal arrangements, it should be recognized that alternate pivoting mechanisms may be employed within the scope of the present disclosure, as may be known in the art. The lower edges of the right and left frame portions 18 and 20 as well as the central bridging portion 26 define lens supporting surfaces 19, 21 and 27. Surfaces 19 and 21 include rear walls 23 and 25 that extend from about the middle of surfaces 19 and 21 and up to the lower surface 27 of the bridging portion 26.
Lens 18 consists of a unitary arcuate body made of transparent plastic material. It includes a pair of right and left sight regions 50 and 52 and a central bridging region 53. The upper edges of the regions 50 and 52 each display a flat horizontal surface 54 and 56 which progressively increases in width and in a curved manner from the central portion 54 to the outer extremities which define side shields 58 and 60. The upper surfaces 54 and 56 each displays a rectangular-shaped projection 62 and 64 which are dimensioned so as to snuggly fit into the elongated slots 34 and 36 of the lens frame.
To assemble the lens piece 18 to the frame 12, the lower edges 51 and 53 of the sight regions 50 and 52 are placed on their corresponding surfaces 19 and 21 of the frame with the lower edge 55 of the lens piece resting on surface 27 of the frame. Due to the flexibility of the material of the frame, the upper part of the lens is forcingly moved to the frame so that the top surfaces 54 and 56 of the lens are positioned beneath the under surfaces of the upper edge sections 28a and 28b of the frame with the top edge 54 of the lens being received under the upper edge section 28c of the frame. The presence of projections 62 and 64 of the lens provide some hindrance to such entry. However, the flexibility of the material of the frame will cause a slight upward movement of the frame sections 28a and 28b so that the projections 62 and 64 will slide along the undersurfaces of sections 28a and 28b until they reach and engage the slots 34 and 36. Thus, there is achieved a snap-in engagement of the lens to the frame. Disengagement of the lens and the frame from one another is achieved in the reverse manner; in other words a slight upward force on the upper edges of the frame will free the projections 62 and 64 from their respective slots 34 and 36 and the lens is separated.
Although the invention has been described above with respect to one specific form, it will be evident to the person skilled in the art that it may be refined and modified in various ways. For example, as illustrated in Figure 7, the projection 70 may be provided on the upper edge of the frame and its corresponding slot 72 in the upper edge of the lens. It is therefore wished to have it understood that the present invention should not be limited in interpretation except by the terms of the following claims.

Claims

1. A protective eyeglass assembly comprising: a frame having right and left portions defining respective right and left apertures and a central bridging portion between said right and left portions; said right and left portions and said bridging portion displaying an upper edge lens receiving surface and a lower edge lens supporting surface; said frame being made of flexible plastic material; a pair of ear stems respectively mounted at an upper edge extremity of said right and left portions to pivot between an inwardly folded position and an outwardly ear contacting position; and a protective lens piece made of transparent plastic material defining a unitary arcuate body and adapted to be mounted to and rearwardly of said lens piece between said upper edge extremities of said frame; said lens piece including a pair of right and left sight regions and a central bridging region; said right and left sight regions and said bridge region displaying an upper edge adapted to be received beneath said upper edge surface of said right and left portions and said central bridging portion, and a lower edge adapted to be supported on said lower edge lens supporting surface of said right and left portions and said bridging portion of the said frame; wherein said lower edge lens supporting surface includes means to retain said lens when mounted to said frame and wherein said upper edge surface of said right and left portions of said frame and said upper edge of said right and left regions of said lens include cooperating means to secure said lens to said frame; said flexible plastic material of said frame enabling a snap-in engagement and a snap-out disengagement of said securing means to and from one another.
2. A protective eyeglass assembly as defined in claim 1, wherein said cooperating means comprises a slot means on said upper edge surface of said right and left portions of said frame and of protection means on said upper edge of said right and left regions of said, said projection means being so dimensioned as to fit into said slot means.
3. A protective eyeglass assembly as defined in claim 1, wherein said retaining means comprises a rib means extending along an outer edge of a portion of said lower edge supporting surface of said right and left portions of said frame.
4. A protective eyeglass assembly as defined in any of claims 1 , 2 and 3 wherein said lens includes an integral side shield extension on each said right and left sight regions, the rearmost edge of said side shield extensions disposed inwardly of said upper edge extremities to enable said ear stems to move to said inwardly folded position.
PCT/US2002/005812 2001-02-23 2002-02-25 Protective eyeglass assembly WO2002069022A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10/648,754 US6811255B2 (en) 2001-02-23 2003-08-25 Protective eyewear assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA2,337,928 2001-02-23
CA 2337928 CA2337928A1 (en) 2001-02-23 2001-02-23 Protective eyeglass assembly

Related Child Applications (1)

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US10/648,754 Continuation US6811255B2 (en) 2001-02-23 2003-08-25 Protective eyewear assembly

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WO2002069022A1 true WO2002069022A1 (en) 2002-09-06

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1724626A1 (en) * 2005-05-16 2006-11-22 Nakanishi Optical Corporation Frame of a pair of spectacles
EP3118669A1 (en) * 2015-07-16 2017-01-18 Jacques Durand Occhiali S.r.l. Vertically split spectacles front

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4878749A (en) * 1988-06-29 1989-11-07 Mcgee James E Protective eyewear with interchangeable decorative frames
US4976530A (en) * 1988-06-28 1990-12-11 William John Wichman Sunglasses with visor
US5379464A (en) * 1992-07-24 1995-01-10 Schleger; Linda Facial shield, particularly for protection from the sun
US5528320A (en) * 1995-05-09 1996-06-18 Encon Safety Products Protective eyewear
US5796461A (en) * 1995-11-22 1998-08-18 Uvex Safety, Inc. Protective eyeglass assembly
US5890235A (en) * 1997-05-17 1999-04-06 Uvex Arbeitsschutz Gmbh Safety goggles, in particular industrial safety goggles
US6036312A (en) * 1997-10-24 2000-03-14 Bacou Usa Safety, Inc. Protective eyeglass assembly having a unitary, decentered lens piece

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4976530A (en) * 1988-06-28 1990-12-11 William John Wichman Sunglasses with visor
US4878749A (en) * 1988-06-29 1989-11-07 Mcgee James E Protective eyewear with interchangeable decorative frames
US5379464A (en) * 1992-07-24 1995-01-10 Schleger; Linda Facial shield, particularly for protection from the sun
US5528320A (en) * 1995-05-09 1996-06-18 Encon Safety Products Protective eyewear
US5796461A (en) * 1995-11-22 1998-08-18 Uvex Safety, Inc. Protective eyeglass assembly
US5890235A (en) * 1997-05-17 1999-04-06 Uvex Arbeitsschutz Gmbh Safety goggles, in particular industrial safety goggles
US6036312A (en) * 1997-10-24 2000-03-14 Bacou Usa Safety, Inc. Protective eyeglass assembly having a unitary, decentered lens piece

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1724626A1 (en) * 2005-05-16 2006-11-22 Nakanishi Optical Corporation Frame of a pair of spectacles
EP3118669A1 (en) * 2015-07-16 2017-01-18 Jacques Durand Occhiali S.r.l. Vertically split spectacles front

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