Spectacles for a helmet and helmet fitted with said spectacles

Abstract

The invention relates to a device for fixing spectacles to a helmet ( 1 ). The spectacles comprise at least one screen or glass element ( 2,3 ). The device comprises two sides ( 7, 8, 20, 21 ) both of which are fitted with a fitting means for attachment to the helmet ( 1 ). Each side comprises an articulated structure and comprises a means ( 23 ) for pulling back the screen or glass in the direction of the fixing means ( 18 ) such that the spectacles are pressed towards the face of the wearer of the helmet. The spectacles are retractable in relation to the outer front part of the outer shell ( 11 ) of the helmet.

1 . A device for attaching spectacles to a helmet ( 1 ), the spectacles including at least one screen or lens ( 2 , 3 ), the device including two branches ( 7 , 8 , 20 ,  21 ) with a means ( 18 ) for attachment to the helmet ( 1 ), characterized in that each branch included a jointed structure and includes a means ( 23 ) for bringing the screen or leans back towards the attachment means ( 18 ), so as to press the spectacles toward the face of a wearer of the helmet, the spectacles being retractable on the external from portion of the external cap ( 11 ) of the helmet.  
   
   
       2 . The device, according to  claim 1 , wherein each of the branches is joined to the screen ( 2 ,  3 ) side edge ( 2   a ,  3   a ) by a deformable link ( 30 ).  
   
   
       3 . The device, according to  claim 1 , wherein each of the branches includes a first joint ( 31 ) joining a first branch portion ( 20 ,  21 ) fitted with a pivot ( 18 ) for attachment to the cap ( 11 ) of the helmet, to a second branch portion ( 7 , 8 ) adjacent to the screen ( 2 ,  3 ), each of the second branch portions ( 7 , 8 ) being joined to the screen ( 2 , 3 ) side edge ( 2   a ,  3   a ) by a deformable link ( 30 ) including a pivot, a hinge, a ball joint or an elastically deformable structure.  
   
   
       4 . The device, according to  claim 1 , wherein each of the means ( 18 ) for attachment to the helmet includes a transverse axis ( 17 ) pivot and wherein each of the return means ( 23 ) has a capacity of elastic deformation over a large amplitude or travel, which preferably is at least equal to 10 millimeters.  
   
   
       5 . The device, according to  claim 1 , wherein each return means ( 23 ) includes a spiral spring.  
   
   
       6 . The device, according to  claim 1 , wherein each of the branches is telescopic, each branch including two branch portions ( 20 ,  21 ) which may slide while remaining nested in each other, which branch portions are brought back to each other by said spring or return means ( 23 ).  
   
   
       7 . A device for attaching spectacles to a helmet by two pivoting branches, according to  claim 1 , wherein each branch includes pressing means ( 23 ,  20 ,  31 ) for pressing and/or applying a portion ( 7 ,  8 ) of the branch adjacent to the eye screen(s), against a portion of the section ( 13 ) of as cheek ( 15 ) of the helmet, as well as means for retracting the spectacles on the external front portion of the helmet.  
   
   
       8 . The device, according to  claim 1 , wherein said joint ( 31 ) and said deformable link ( 30 ) are hinges with a substantially vertical axis ( 16 ,  10 ).  
   
   
       9 . The device, according to  claim 1 , wherein each of the first branch portions is telescopic ( 20 ,  21 ).  
   
   
       10 . The device, according to  claim 1 , wherein each branch includes: 
 a first elongated branch portion ( 7 , 8 ), a first end ( 41 , 42 ) of which is firmly attached to a side edge ( 2   a ,  3   a ) of a screen ( 2 , 3 ) via a first hinge ( 30 ), and a second end ( 43 ,  44 ) of which has a first oblique supporting face ( 40 ),    a second elongated branch portion ( 20 ), a first end of which is firmly attached to the second end of the first elongated branch portion via a second hinge ( 31 ),    a third elongated branch portion ( 21 ), a first end of which slidably receives a second end of the second elongated branch portion, which is pivotally mounted relatively to the helmet, which has a second oblique supporting face ( 445 ) provided for cooperating with the first oblique supporting face ( 4 ) and which includes a recess ( 54 ) receiving said return means ( 23 )    
   
   
       11 . Spectacles to be attached on a helmet by a an attachment device including two jointed pivoting branches, according to  claim 1 , which includes two screens or screen portions, or monocular ophthalmic lenses ( 2 ,  3 ) which are joined by a hasp ( 4 ,  5 ) including a nose cut, in which the hasp is provided with means for mutually pivoting both screens or screen portions, in particular a pivot or a hinge ( 15 ) with a substantially vertical axis ( 6 ).  
   
   
       12 . Spectacles to be attached on a helmet, in particular the spectacles according to  claim 11 , including a binocular screen or two monocular screens ( 2 , 3 ) and a mounting for joining the screen(s) to the helmet, the spectacles including two branches which are each fitted with means ( 18 ) for attachment to the helmet, each branch including a deformable structure ( 7 ,  8 ,  20 ,  21 ) preferable including two mobile portions relatively to each other, as well as return means ( 23 ) which tends to fold, bend, and/or shorten each branch, for pressing at least one portion of the mounting encircling the screen(s) against the face of the wearer of the helmet.  
   
   
       13 . The spectacles, according to  claim 11 , wherein the screen(s) or lens(es) is(are) firmly attached to a central gripping appendage facilitating displacement of the optical screen(s) by the wearer of the helmet and of the spectacles, single-hanged, this appendage extending above the hasp and the face, and/or in the extension of the latter, the appendage preferably including a bar ( 60 ) joining both monocular screens.  
   
   
       14 . The spectacles, according to  claim 11 , wherein the arches ( 70 ) and/or the hasp ( 4 ,  5 ) of the mounting have means of irremovably attaching the lenses ( 2 ,  3 ) such as a fitting groove.  
   
   
       15 . The spectacles according to  claim 11 , having the means ( 90 ) for partially covering and surrounding at least the lenses ( 80 ) of an ordinary pair of spectacles, these means preferably including a deformable and/or compressible spacer provided on the internal face of the arches ( 70 ) and/or of the hasp ( 4 ,  5 ) of the mounting.  
   
   
       16 . A sports helmet, ( 1 ) in particular a motorcyclist helmet, including a device, according to  claim 1 , which is retractable on the external front portion of the external cap ( 11 )