Arm rest and table desk provided with such an arm rest

Abstract

Forearm support comprising at least: two plates connected there between by a pivoting axis, and at least a jack adapted to allow a pivotment of the plates therebetween, whereby said jack exerts a force on the plates in the resting position, as well as in the folded position.

1 . Support for the forearm or the wrist for an user of a working zone provided with at least a computer element selected from a keyboard and a mouse, said support comprising at least: 
 a first portion provided with means for attaching said first portion of the support to a working zone,    a second portion adapted to act as support for at least a part of the forearm of the user,    a pivoting means for pivoting the second portion with respect to the first portion along a substantially horizontal axis when the first portion is attached to the working zone, whereby the second portion is pivotable between a resting position for a part of the forearm and a folded position in which the second portion is pivoted of an angle of at least 90° along the horizontal axis with respect to its resting position, and    at least one maintaining means selected from the group consisting of springs and jacks, said means extending between the first and second portion, whereby said means is adapted to allow a pivotment of the second portion with respect to the first portion along said substantially horizontal axis and exerts a force on the second portion so as to maintain the second portion in its resting position when the forearm of an user rests on said second portion, as well as in its folded position.    
   
   
       2 . The support of  claim 1 , in which the second portion is pivotable between a resting position for a part of the forearm and a folded position in which the second portion is pivoted of an angle of at least 120° along the horizontal axis with respect to its resting position.  
   
   
       3 . The support of  claim 1 , in which the first portion is provided with means for attaching on a removable manner said first portion of the support to a working zone.  
   
   
       4 . The support of  claim 1 , in which the means for attaching the first portion to a working zone comprises at least one clipping means.  
   
   
       5 . The support of  claim 1 , in which the first portion is provided with a means adapted to act on a back face of the working zone so as to avoid any balancing of the first portion on said working zone when the forearm of a user rests on the second portion.  
   
   
       6 . The support of  claim 1 , in which the means for attaching the first portion on a working zone comprises a curved spring leaf.  
   
   
       7 . The support of  claim 1 , in which the maintaining means is adapted for maintaining the second portion in its resting position as long as an effort lower than a predetermined effort is exerted, while enabling a pivotment of the second portion towards its folded position when an effort greater than said predetermined effort is exerted.  
   
   
       8 . The support of  claim 7 , in which the predetermined effort corresponds to a weight of at least 2 kg placed on the second portion at a distance of 10 cm from a vertical plane comprising the substantially horizontal axis.  
   
   
       9 . The support of  claim 7 , in which the predetermined effort corresponds to a weight of 5 to 15 kg placed on the second portion at a distance of 10 cm from a vertical plane comprising the substantially horizontal axis.  
   
   
       10 . The support of  claim 1 , in which the jack comprises a chamber in which a piston is movable, whereby said chamber is filled with a substantially fluid medium, whereby the piston divides the chamber in two sub chambers, and whereby the piston is provided with at least one opening so as to enable the passage of substantially fluid medium from one sub chamber to another sub chamber.  
   
   
       11 . The support of  claim 1 , in which the first portion and the second portion are provided with rigidifying means.  
   
   
       12 . The support of  claim 1 , in which the first portion has a substantially U-shape with an upper plate adapted to rest on a upper face of the working zone, and with a lower plate adapted for extending below the working zone.  
   
   
       13 . The support of  claim 12 , in which the lower plate is provided with a lower leg and in which the second portion has a first edge adapted to be in close proximity with an edge of the first portion when the first portion is in its resting position and a second edge opposite to said first edge, whereby the jack is provided with at least one rod, whereby the jack and its rod extend between the leg and the second edge of the second portion.  
   
   
       14 . The support of  claim 13 , in which the rod of the jack extend in a direction forming an angle comprised between 45° and 85° when the second portion is in its resting position.  
   
   
       15 . The support of  claim 1 , in which the first portion has a substantially U-shape with an upper plate adapted to rest on a upper face of the working zone, and with a lower plate adapted for extending below the working zone, whereby the upper plate is provided with an anti slipping means.  
   
   
       16 . The support of  claim 15 , in which the anti-slipping means is an anti slipping layer.  
   
   
       17 . The support of  claim 1 , in which the first portion has a substantially U-shape with an upper plate adapted to rest on a upper face of the working zone, and with a lower plate adapted for extending below the working zone, whereby when the support is not mounted on the working zone, the lower plate forms with the upper plate a gap with an opening and a bottom, said bottom having a width defined between the lower plate and the upper plate, whereby the lower plate has a face directed towards a face of the upper plate and inclined with respect to the face of the upper plate, whereby the opening of the gap has a width defined between the lower plate and the upper plate lower than the width of the bottom of the gap.  
   
   
       18 . The support of  claim 16 , in which the anti slipping layer is a layer provided with a series of projections.  
   
   
       19 . The support of  claim 1 , in which the second portion is provided with a foam layer.  
   
   
       20 . The support of  claim 19 , in which the foam layer is at least a viscoelastic foam layer.  
   
   
       21 . The support of  claim 1 , in which the first portion is provided with a mouse pad layer.  
   
   
       22 . The support of  claim 1 , in which the first portion has an upper face and in which the substantially horizontal axis is distant from said upper face from a distance comprised between 2 cm and 7 cm.  
   
   
       23 . The support of  claim 1 , in which the second portion is pivotable between a resting position for a part of the forearm and a folded position in which the second portion is pivoted of an angle of at least 120° along the horizontal axis with respect to its resting position.  
   
   
       24 . Table desk for at least a computer element selected from a keyboard and a mouse, said table desk being provided with a support for the forearm or the wrist for an user of said computer element, said support comprising at least: 
 a first portion provided with means for attaching said first portion of the support to a working zone,    a second portion adapted to act as support for at least a part of the forearm of the user,    a pivoting means for pivoting the second portion with respect to the first portion along a substantially horizontal axis when the first portion is attached to the working zone, whereby the second portion is pivotable between a resting position for a part of the forearm and a folded position in which the second portion is pivoted of an angle of at least 90° along the horizontal axis with respect to its resting position, and    at least one maintaining means selected from the group consisting of springs and jacks, said means extending between the first and second portion, whereby said means is adapted to allow a pivotment of the second portion with respect to the first portion along said substantially horizontal axis and exerts a force on the second portion so as to maintain the second portion in its resting position when the forearm of an user rests on said second portion, as well as in its folded position.    
   
   
       25 . The table desk of  claim 24 , in which the second portion is pivotable between a resting position for a part of the forearm and a folded position in which the second portion is pivoted of an angle of at least 120° along the horizontal axis with respect to its resting position.  
   
   
       26 . The table desk of  claim 24 , in which the first portion is provided with means for attaching on a removable manner said first portion of the support to a working zone.  
   
   
       27 . The table desk of  claim 24 , in which the means for attaching the first portion to a working zone comprises at least one clipping means.  
   
   
       28 . The table desk of  claim 24 , in which the first portion is provided with a means adapted to act on a back face of the working zone so as to avoid any balancing of the first portion on said working zone when the forearm of a user rests on the second portion.  
   
   
       29 . The table desk of  claim 24 , in which the means for attaching the first portion on a working zone comprises a curved spring leaf.  
   
   
       30 . The table desk of  claim 24 , in which the maintaining means is adapted for maintaining the second portion in its resting position as long as an effort lower than a predetermined effort is exerted, while enabling a pivotment of the second portion towards its folded position when an effort greater than said predetermined effort is exerted.  
   
   
       31 . The table desk of  claim 30 , in which the predetermined effort corresponds to a weight of at least 2 kg placed on the second portion at a distance of 10 cm from a vertical plane comprising the substantially horizontal axis.  
   
   
       32 . The table desk of  claim 29 , in which the predetermined effort corresponds to a weight of 5 to 15 kg placed on the second portion at a distance of 10 cm from a vertical plane comprising the substantially horizontal axis.  
   
   
       33 . The table desk of  claim 24 , in which the jack comprises a chamber in which a piston is movable, whereby said chamber is filled with a substantially fluid medium, whereby the piston divides the chamber in two sub chambers, and whereby the piston is provided with at least one opening so as to enable the passage of substantially fluid medium from one sub chamber to another sub chamber.  
   
   
       34 . The table desk of  claim 24 , in which the first portion and the second portion are provided with rigidifying means.  
   
   
       35 . The table desk of  claim 24 , in which the first portion has a substantially U-shape with an upper plate adapted to rest on a upper face of the working zone, and with a lower plate adapted for extending below the working zone.  
   
   
       36 . The table desk of  claim 35 , in which the lower plate is provided with a lower leg and in which the second portion has a first edge adapted to be in close proximity with an edge of the first portion when the first portion is in its resting position and a second edge opposite to said first edge, whereby the jack is provided with at least one rod, whereby the jack and its rod extend between the leg and the second edge of the second portion.  
   
   
       37 . The table desk of  claim 36 , in which the rod of the jack extend in a direction forming an angle comprised between 45° and 85° when the second portion is in its resting position.  
   
   
       38 . The table desk of  claim 24 , in which the first portion has a substantially U-shape with an upper plate adapted to rest on a upper face of the working zone, and with a lower plate adapted for extending below the working zone, whereby the upper plate is provided with an anti slipping means.  
   
   
       39 . The table desk of  claim 38 , in which the anti-slipping means is an anti slipping layer.  
   
   
       40 . The table desk of  claim 24 , in which the anti slipping layer is a layer provided with a series of projections.  
   
   
       41 . The table desk of  claim 24 , in which the second portion is provided with a foam layer.  
   
   
       42 . The table desk of  claim 40 , in which the foam layer is at least a viscoelastic foam layer.  
   
   
       42 . The table desk of  claim 24 , in which the first portion is provided with a mouse pad layer.  
   
   
       43 . The table desk of  claim 24 , in which the second portion is pivotable between a resting position for a part of the forearm and a folded position in which the second portion is pivoted of an angle of about 180° along the horizontal axis with respect to its resting position.  
   
   
       44 . A table desk for at least a computer element selected from a keyboard and a mouse, said table desk being provided with a support for the forearm or the wrist for an user of said computer element, said support comprising at least: 
 a forearm rest adapted to act as support for at least a part of the forearm of the user,    a pivoting means for pivoting said forearm rest with respect to the table desk along a substantially horizontal axis when the first portion is attached to the working zone, whereby the second portion is pivotable between a resting position for a part of the forearm and a folded position in which the second portion is pivoted of an angle of at least 90° along the horizontal axis with respect to its resting position, and    at least one maintaining means selected from the group consisting of springs and jacks, said means extending between the table desk and the forearm rest, whereby said means is adapted to allow a pivotment of the forearm rest with respect to the table desk along said substantially horizontal axis and exerts a force on the forearm rest so as to maintain the forearm rest in its resting position when the forearm of an user rests on said forearm rest, as well as in its folded position.    
   
   
       45 . The table desk of  claim 44 , in which the forearm rest is pivotable between a resting position for a part of the forearm and a folded position in which the forearm rest is pivoted of an angle of at least 120° along the horizontal axis with respect to its resting position.  
   
   
       46 . The table desk of  claim 44 , in which the maintaining means is adapted for maintaining the forearm rest in its resting position as long as an effort lower than a predetermined effort is exerted, while enabling a pivotment of the forearm rest towards its folded position when an effort greater than said predetermined effort is exerted.  
   
   
       47 . The table desk of  claim 46 , in which the predetermined effort corresponds to a weight of at least 2 kg placed on the forearm rest at a distance of 10 cm from a vertical plane comprising the substantially horizontal axis.  
   
   
       48 . The table desk of  claim 47 , in which the predetermined effort corresponds to a weight of 5 to 15 kg placed on the forearm rest at a distance of 10 cm from a vertical plane comprising the substantially horizontal axis.  
   
   
       49 . The table desk of  claim 44 , in which the jack comprises a chamber in which a piston is movable, whereby said chamber is filled with a substantially fluid medium, whereby the piston divides the chamber in two sub chambers, and whereby the piston is provided with at least one opening so as to enable the passage of substantially fluid medium from one sub chamber to another sub chamber.  
   
   
       50 . The table desk of  claim 44 , in which the forearm rest is provided with rigidifying means.  
   
   
       51 . The table desk of  claim 44 , in which the table desk is provided with a lower leg and in which the forearm rest has a first edge adapted to be in close proximity with an edge of the table desk when the first portion is in its resting position and a second edge opposite to said first edge, whereby the jack is provided with at least one rod, and whereby the jack and its rod extend between the leg and the second edge of the forearm rest.  
   
   
       52 . The table desk of  claim 51 , in which the rod of the jack extend in a direction forming an angle comprised between 45° and 85° when the forearm rest is in its resting position.  
   
   
       53 . The table desk of  claim 44 , in which the forearm rest is provided with a foam layer.  
   
   
       54 . The table desk of  claim 53 , in which the foam layer is at least a viscoelastic foam layer.  
   
   
       55 . The table desk of  claim 44 , which is provided with a mouse pad layer.  
   
   
       56 . The table desk of  claim 44 , in which the table desk has an upper face and in which the substantially horizontal axis is below said upper face from a distance comprised between 2 cm and 7 cm.  
   
   
       57 . The table desk of  claim 44 , in which the forearm rest is pivotable between a resting position for a part of the forearm and a folded position in which the second portion is pivoted of an angle of about 180° along the horizontal axis with respect to its resting position.