Patent ID: 6523797
Filing Date: 2003-02-25
Classification: A47B,Y10S

Abstract:
A support arm assembly for a computer keyboard mounted on a work support comprising, in combination:a first bracket member for attachment to said work support; a second bracket member for attachment to said keyboard; a first arm with opposite ends pivotally connected respectively to the first bracket member and to the second bracket member; a second arm with opposite ends pivotally connected respectively to the first bracket member and to the second bracket member; one of said pivotal connections of the first arm to one of the first and second bracket members including a first wedge member and a first engaging surface, said wedge member and said engaging surface affixed respectively to the said one of said bracket members and to the first arm; one of said pivotal connections of the second arm to one of the first and second bracket members including a second wedge member and a second engaging surface, said second wedge member and said second engaging surface affixed respectively to the said one of said bracket members and to the second arm; said first and second wedge members and said first and second engaging surfaces slidably engaged and having a first locked position compressing the said one of said bracket members and said first and second arms, respectively, together and a second unlocking position releasing compression of the said one of said bracket members and said first and second arms, respectively.