Patent ID: 7944803
Filing Date: 2011-05-17
Classification: G11B

Abstract:
1. A tone arm assembly for use with a rotatable turntable, said tone arm assembly comprising a tone arm body supported adjacent said rotatable turntable being horizontally pivotable about a vertically extending axis, a tone arm tube having a longitudinal axis and a first end and a second end, said first end extending within and being supported by said tone arm body and said second end terminating at a shell for releasably supporting a pick up cartridge, a counterweight translatable along a substantially horizontal path substantially parallel to the longitudinal axis of said tone arm tube between a first position and a second position, said first position being closest to said shell and said second position being farthest from said shell to adjust contact pressure between a stylus maintained by said pick up cartridge and a record supported by said rotatable turntable, wherein at least a portion of said counterweight is capable of extending fore and aft of said vertically extending axis when said counterweight is positioned on said horizontal path between said first and second positions.