Visor assembly

Abstract

Visor assembly ( 1, 21 ) consisting of having an inner shield ( 6, 26 ) and an outer shield ( 2, 22 ). In the use position these shields are some distance apart. With this arrangement the inner shield ( 6, 26 ) is located within the peripheral confines of the outer shield ( 2, 22 ). The inner shield ( 6, 26 ) is provided with an elevation ( 7, 27 ) which extends close to the periphery thereof and which acts as a spacer with respect to the outer shield. This elevation ( 7, 27 ) is preferably made of silicone material which is snack to the inner shield ( 6, 26 ) but is not stuck to the outer shield ( 2, 22 ). Fixing to the outer shield ( 2, 22 ) takes place by means ( 10, 12 ) of via mechanical fixing means.

What is claimed is: 
     
       1. Visor assembly comprising
 (a) a replaceable inner shield;   (b) an outer shield spaced from the inner shield and carrying mechanical fixing elements to fix the inner shield to the outer shield, the inner shield being supported by the outer shield, being located within the periphery of the outer shield, being spaced from and engageable with the outer shield and being detachable from the outer shield and visor assembly;   (c) additional fixing elements for fixing the outer shield to a support component, the support component optionally being a helmet or a goggles frame; and   (d) a sealing and spacing member extending around the periphery of the inner shield, on a surface facing the outer shield, to seal and space the inner shield from the outer shield;   wherein the sealing and spacing member is fabricated of flexible silicone material, is adhered to the inner shield and can sealingly engage the outer shield without adhering to the outer shield.   
     
     
       2. Visor assembly according to  claim 1 , wherein the sealing and spacing member comprises a ring and an enclosed gas or air chamber is delimited between the inner shield and the outer shield by the sealing and spacing member and wherein the internal width of said chamber is at least 2 mm. 
     
     
       3. Visor according to  claim 1 , wherein said mechanical fixing elements comprise pins fitted on the outer shield and recesses in the inner shield the pins being cooperative with the recesses. 
     
     
       4. Visor assembly according to  claim 1 , wherein said outer shield is made of polycarbonate. 
     
     
       5. Visor assembly according to  claim 1 , wherein said inner shield is made of heat-treated cellulose acetate material. 
     
     
       6. Visor assembly according to  claim 1 , wherein said mechanical fixing elements comprise a seat in said outer shield the seat at least partially corresponding to the shape of said inner shield. 
     
     
       7. Visor assembly according to  claim 1 , wherein said inner shield is made of cellulose propionate material. 
     
     
       8. Visor assembly according to  claim 1 , wherein said inner shield is provided on one side with a coating that counteracts misting. 
     
     
       9. Visor assembly according to  claim 7 , wherein said inner shield is provided on one side with a scratch-resistant coating. 
     
     
       10. A visor assembly according to  claim 1  wherein the visor assembly lacks electric heating means. 
     
     
       11. A visor assembly according to  claim 1  wherein the outer shield has a recess corresponding to the external dimensions of the inner shield and wherein the inner shield is accommodated in the outer shield recess. 
     
     
       12. A visor assembly according to  claim 1  wherein the inner shield has a mist-resistant coating on the one surface and comprises a second peripheral resilient sealing and spacing member adhered to the other surface and wherein the inner shield is reversible to dispose the mist-resistant coating either inwardly or outwardly of the space between the inner and the outer shield. 
     
     
       13. A visor assembly according to  claim 2  wherein said mechanical fixing elements comprise pins fitted on the outer shield and recesses in the inner shield the pins being cooperative with the recesses and wherein said mechanical fixing elements comprise a seat in said outer shield the seat at least partially corresponding to the shape of said inner shield. 
     
     
       14. A visor assembly according to  claim 13  wherein the outer shield has a recess corresponding to the external dimensions of the inner shield and wherein the inner shield is accommodated in the outer shield recess. 
     
     
       15. A visor assembly according to  claim 2  wherein said outer shield is made of polycarbonate, said inner shield is made of heat-treated cellulose acetate material or cellulose propionate material and optionally said inner shield is provided on one side with a coating that counteracts misting. 
     
     
       16. A visor assembly according to  claim 13  wherein said outer shield is made of polycarbonate, said inner shield is made of heat-treated cellulose acetate material or cellulose propionate material and optionally said inner shield is provided on one side with a coating that counteracts misting. 
     
     
       17. Visor assembly comprising
 (a) a replaceable inner shield;   (b) an outer shield spaced from the inner shield and carrying mechanical fixing elements to fix the inner shield to the outer shield, the inner shield being supported by the outer shield, being located within the periphery of the outer shield and being spaced from and engageable with the outer shield and being detachable from the outer shield and visor assembly;   (c) additional fixing elements for fixing the outer shield to a support component, the support component optionally being a helmet or a goggles frame; and   (d) a sealing and spacing member extending around the periphery of the inner shield, on a surface facing the outer shield, to seal and space the inner shield from the outer shield; wherein the sealing and spacing member is flexible and is adhered to the inner shield and can sealingly engage the outer shield without adhering to the outer shield and wherein the visor assembly lacks electric heating means.   
     
     
       18. A visor assembly according to  claim 17  wherein the sealing and spacing member of flexible material comprises a ring, optionally of rubbery elastic material, and an enclosed gas or air chamber is delimited between the inner shield and the outer shield by the sealing and spacing member and wherein the internal width of said chamber is at least 2 mm., said mechanical fixing elements comprise pins fitted on the outer shield and recesses in the inner shield the pins being cooperative with the recesses and wherein said mechanical fixing elements comprise a seat in said outer shield the seat at least partially corresponding to the shape of said inner shield. 
     
     
       19. A visor assembly according to  claim 18  wherein said outer shield is made of polycarbonate, said inner shield is made of heat-treated cellulose acetate material or cellulose propionate material and optionally said inner shield is provided on one side with a coating that counteracts misting. 
     
     
       20. Visor assembly according to  claim 1  wherein the inner shield is directly connected to the outer shield by the mechanical fixing elements and is supported entirely by the outer shield. 
     
     
       21. Visor assembly comprising:
 an outer shield;   a replaceable inner shield spaced from the outer shield and located within the periphery of the outer shield;   a recess in the outer shield, the dimensions of which at least correspond to the peripheral dimensions of the inner shield such that the inner shield can be fitted therein;   mechanical fixing elements for detachably fixing the inner shield to the outer shield;   elements for fixing the outer shield to a further component,   a spacer extending around the periphery of said inner shield, said spacer being adhered to the inner shield and fitted detachably against said outer shield,   wherein the inner shield is detachable from the outer shield and visor assembly; and   a sealed gas/air chamber between the inner shield and the outer shield.   
     
     
       22. Visor assembly according to claim 21, wherein the spacer acts as a sealing member to provide the sealed gas/air chamber between the inner shield and the outer shield. 
     
     
       23. Visor assembly according to claim 22, wherein said spacer is a rubbery elastic seal. 
     
     
       24. Visor assembly according to claim 21, wherein a gas/air chamber is delimited between the inner shield and outer shield and wherein the internal width of said chamber is at least 2 mm. 
     
     
       25. Visor according to claim 21, wherein said mechanical fixing elements comprise a snap-fit rim for fixing the inner shield in the recess. 
     
     
       26. Visor assembly according to claim 25 wherein said spacer is a flexible seal. 
     
     
       27. Visor assembly according to claim 21, wherein said spacer is made of silicone material. 
     
     
       28. Visor assembly according to claim 21, wherein said inner shield is made of heat-treated cellulose acetate material. 
     
     
       29. Visor assembly according to claim 21, wherein said inner shield is made of cellulose propionate material. 
     
     
       30. Visor assembly according to claim 29, wherein said inner shield is provided on one side with a coating that counteracts misting up. 
     
     
       31. Visor assembly according to claim 30, wherein said inner shield is provided on one side with a coating which improves scratch resistance. 
     
     
       32. Visor assembly comprising:
 a replaceable inner shield;   an outer shield spaced from the inner shield and comprising mechanical fixing elements to fix the inner shield to the outer shield, the inner shield being supported by the outer shield, being located within the periphery of the outer shield, being spaced from and engageable with the outer shield and being detachable from the outer shield and visor assembly;   a seat in said outer shield which at least partially corresponds to the shape of said inner shield and is associated with the mechanical fixing elements such that the inner shield can be fixed in the seat;   additional fixing elements for fixing the outer shield to a support component,   a spacing member adhered to and extending around the periphery of said inner shield, on a surface facing the outer shield, to space the inner shield from the outer shield; and a sealed gas/air chamber between the inner shield and the outer shield.   
     
     
       33. Visor assembly according to claim 32, wherein the mechanical fixing elements associated with the seat comprise a snap-fit rim. 
     
     
       34. Visor assembly according to claim 32, wherein the spacer acts as a sealing member to provide the sealed gas/air chamber between the inner shield and the outer shield. 
     
     
       35. Visor assembly according to claim 32, wherein said spacer is made of silicone material. 
     
     
       36. Visor assembly according to claim 34, wherein said spacer is a rubbery elastic material. 
     
     
       37. Visor assembly according to claim 32, wherein said inner shield is made of heat-treated cellulose acetate material. 
     
     
       38. Visor assembly according to claim 32, wherein said inner shield is made of cellulose propionate material. 
     
     
       39. Visor assembly according to claim 38, wherein said inner shield is provided on one side with a coating that counteracts misting up. 
     
     
       40. Visor assembly according to claim 38, wherein said inner shield is provided on one side with a coating which improves scratch resistance. 
     
     
       41. Visor assembly comprising:
 an outer shield;   a replaceable inner shield spaced from the outer shield and located within the periphery of the outer shield;   mechanical fixing elements in the form of pins fitted on the outer shield and recesses in the inner shield, the pins being cooperative with the recesses to fix detachably the inner shield to the outer shield;   elements for fixing the outer shield to a further component,   a spacer extending around the periphery of said inner shield, said spacer being adhered to the inner shield and fitted detachably against said outer shield;   wherein the inner shield is detachable from the outer shield and visor assembly; and a sealed gas/air chamber between the inner shield and the outer shield.   
     
     
       42. Visor assembly according to claim 41, wherein the spacer acts as a sealing member to provide the sealed gas/air chamber between the inner shield and the outer shield. 
     
     
       43. Visor assembly according to claim 41, wherein a gas/air chamber is delimited between the inner shield and outer shield and wherein the internal width of said chamber is at least 2 mm. 
     
     
       44. Visor assembly according to claim 41, wherein said spacer is made of silicone material. 
     
     
       45. Visor assembly according to claim 41, wherein said pins are eccentric pins. 
     
     
       46. Visor assembly according to claim 41, wherein the visor assembly lacks electric heating means. 
     
     
       47. Visor assembly according to claim 41, wherein said inner shield is made of heat-treated cellulose acetate material. 
     
     
       48. Visor assembly according to claim 41, wherein said inner shield is made of cellulose propionate material. 
     
     
       49. Visor assembly according to claim 48, wherein said inner shield is provided on one side with a coating that counteracts misting up. 
     
     
       50. Visor assembly according to claim 48, wherein said inner shield is provided on one side with a coating which improves scratch resistance. 
     
     
       51. Visor assembly comprising:
 a replaceable inner shield;   an outer shield spaced from the inner shield and comprising mechanical fixing elements in the form of pins fitted on the outer shield that interact with recesses in the inner shield to fix the inner shield to the outer shield, the inner shield being supported by the outer shield, being located within the periphery of the outer shield, being spaced from and engageable with the outer shield and being detachable from the outer shield and visor assembly;   additional fixing elements for fixing the outer shield to a support component; and   a spacing member stuck to and extending around the periphery of said inner shield, on a surface facing the outer shield, to space the inner shield from the outer shield; and   a sealed gas/air chamber between the inner shield and the outer shield.   
     
     
       52. Visor assembly according to claim 51, wherein the spacer acts as a sealing member to provide the sealed gas/air chamber between the inner shield and the outer shield. 
     
     
       53. Visor assembly according to claim 51, wherein a gas/air chamber is delimited between the inner shield and outer shield and wherein the internal width of said chamber is at least 2 mm. 
     
     
       54. Visor assembly according to claim 51, wherein said spacer is made of silicone material. 
     
     
       55. Visor assembly according to claim 51, wherein said pins are eccentric pins. 
     
     
       56. Visor assembly according to claim 51, wherein the visor assembly lacks electric heating means. 
     
     
       57. Visor assembly according to claim 51, wherein said inner shield is made of heat-treated cellulose acetate material. 
     
     
       58. Visor assembly according to claim 51, wherein said inner shield is made of cellulose propionate material. 
     
     
       59. Visor assembly according to claim 58, wherein said inner shield is provided on one side with a coating that counteracts misting up. 
     
     
       60. Visor assembly according to claim 58, wherein said inner shield is provided on one side with a coating which improves scratch resistance.