An instrument support pedestal having a post pneumatically urged upwardly to counterbalance an instrument on the post, with the post slidably mounted in an elongated extrusion having vessels connected to the post pneumatics to form a large accumulator and another vessel serving as a high pressure reservoir so that the pneumatic force on the post can be varied.
申请公布号
DE3834251(A1)
申请公布日期
1989.04.27
申请号
DE19883834251
申请日期
1988.10.08
申请人
O'CONNOR ENGINEERING LABORATORIES, COSTA MESA, CALIF., US