Patent ID: 6786461
Filing Date: 2004-09-07
Classification: A47B,B43M,Y10S

Abstract:
A computer armrest comprising:an elbow supporter combined pivotally with a first shaft of an upper arm to turn freely; said upper arm having said first shaft extending upward at a right side and also a second shaft extending downward at a left side; a pinch base consisting of an upper pinch base and a lower pinch base, said upper and said lower pinch base each respectively having a vertical toothed surface formed on a vertical side facing each other to engage with each other for adjusting, either of said upper and said lower pinch base having a threaded hole or a vertical slot for an adjusting bolt to fit through and screw with, said upper pinch base having a left shaft fitting in either of two shaft holes of a mouse pad, said lower pinch base having a threaded hole in its left side for a bolt of a pinch plate to screw with so as to adjust the distance between the upper surface of said pinch plate and a lower surface of said upper pinch base, said lower pinch base further having a turning shaft base at a rear side, said turning shaft base having a intermediate opening for a front turning base to fit therein; said front turning base having a shaft base formed in a left portion, said shaft base fitting in the intermediate opening of said lower pinch base, a shaft fitting vertically through said turning shaft base of said lower pinch base and said shaft base of said front turning base from under, a shaft cap closing said shaft with a washer at the lower side of said front turning base so that said front turning base may be combined with said lower pinch base stably, said front turning base further having a vertical circular toothed surface with a center threaded hole; a rear turning base having a shaft base formed in a right portion for said second shaft of said upper arm to extend through with a ring gasket and a washer, a shaft cap closing said shaft at a lower side of said shaft base, said rear turning base further having a vertical circular toothed surface with a center threaded hole; a connect arm having a front end and a rear end respectively provided with a vertical circular toothed surface with a center threaded hole, an adjusting bolt fitting through a spring and then engaging with said threaded holes of said front and said rear turning base and said connect arm and locked with a helical spring lock washer so that said connect arm may be combined with said front and said rear turning base stably; and, the combined position of said connect arm with said front and said rear turning base can be moved freely and accordingly said elbow supporter possible to be moved freely thereby.