Patent ID: 6523406
Filing Date: 2003-02-25
Classification: F17C,G01F

Abstract:
A linkage comprising:a shaped shaft having a shape and an engaging portion; a pinion gear, said pinion gear having an engaging means and a hub, said hub of said pinion gear defining a bore, said bore having a shape corresponding to said shape of said shaped shaft such that said hub is adapted to receive said shaped shaft, said hub defining an engaging area adapted to engage said engaging portion of said shaped shaft when said shaped shaft is inserted into said bore of said pinion gear; a second gear, said second gear having an engaging means; and a gear housing, said gear housing having a first portion and a second portion, said first portion defining a passageway for receiving said shaped shaft and for receiving said hub of said pinion gear, said shaped shaft and said pinion gear being rotatable in said passageway, said second portion defining an opening for receiving said second gear, and defining a slot for receiving said engaging means of said pinion gear; and said second gear rotatably attached to said second portion of said gear housing so that said engaging means of said pinion gear mesh with said engaging means of said second gear.