Depth control apparatus

Details Depth control apparatus Depth control apparatus

1981-04-10

1984-01-03

Hershkovitz, Abraham

Motors: expansible chamber type

With signal, indicator or inspection means

60546, 60579, 91520, F01B 2526

Patent

active

044236646

ABSTRACT:
A remotely controllable adjustable-stroke fluid cylinder system is described in various embodiments. The system includes a floating stop piston (48) and a main piston (24,224) which is controlled by a valving system (70) and which has visual indicator means having a graduated scale (69,169).

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