Patent ID: 6992612

Claim:
An ergonomic control device for the setting of a given first respective variable physical property of a first structure between a maximum setting and a minimum setting, and at least a second respective variable physical property of a second structure between a maximum setting and a minimum setting; each of said first and second structures having a respective control input connected thereto for adjusting said first and second variable properties to any of a plurality of settings between said maximum and minimum settings; said control device having first, second, third and fourth separate manually operable control elements which are operatively connected to said respective control inputs; said first and second control elements being operable to set said first and second variable properties of said first and second structures, respectively, at said maximum setting and said minimum setting respectively; said third and fourth control elements being vernier controls and being respectively operable to adjust said first and second variable properties from said maximum setting and toward said minimum setting, and to any of said plurality of settings and from said minimum setting and toward said maximum setting and to any of said plurality of settings; and wherein at least one of said first, second, third or fourth control element of said control device is operable to select said first and second structures for setting said first property or said second property.