Patent ID: 6199809
Filing Date: 2001-03-13
Classification: A47B,F16M,Y10S

Abstract:
A keyboard support device comprising:a base,a frame including a first end pivotally secured to said base at a pivot pin, and including a second end having a curved groove formed therein,a support pivotally secured to said frame at a pivot axle and including a curved groove formed therein and aligned with said curved groove of said frame,a link including a first end pivotally secured to said base at a pivot shaft and including a second end, anda fastener device engaged through said curved grooves of said support and of said frame and engaged through said second end of said link for releasably securing said support to said frame and said link, said fastener device including a bolt engaged through said curved grooves of said support and of said frame and engaged through said second end of said link and including a knob threaded to said bolt for releasably securing said support to said frame and said link, said fastener device including a bar secured between said pivot axle and said bolt, said bar including a non-circular cavity formed therein, said bolt including a non-circular latch formed thereon and engaged with said cavity for securing said bolt to said bar and for preventing said bolt from rotating relative to said support.