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Device for controlling a longitudinally movable driving means

Motors: expansible chamber type – Fluid supply through diverse paths to single expansible chamber – Position responsive
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Device for controlling hydraulic motors

Motors: expansible chamber type – Fluid supply through diverse paths to single expansible chamber – One path includes restriction
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Device for controlling hydraulic pressure of construction...

Motors: expansible chamber type – Working member position feedback to motive fluid control – With means to vary feedback signal in response to rate of...
Reexamination Certificate

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Device for controlling the displacement of a moving member such

Motors: expansible chamber type – Working member position feedback to motive fluid control – Follower type
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Device for controlling the flow of fluid to a fluid unit

Motors: expansible chamber type – With motive fluid valve – Dither valve
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Device for controlling the position of a hydraulic feed drive, s

Motors: expansible chamber type – Working member position feedback to motive fluid control – Electrical input and feedback signal means
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Device for controlling the supply of fluid under pressure to a h

Motors: expansible chamber type – Plural relatively movable or rigidly interconnected working... – Single valve for relatively movable working members
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Device for converting energy of fluid medium into mechanical wor

Motors: expansible chamber type – With motive fluid valve – Electrically operated
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Device for converting energy of fluid medium into mechanical wor

Motors: expansible chamber type – Plural relatively movable or rigidly interconnected working... – Single valve for relatively movable working members driving...
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Device for cross-cutting tree trunks

Motors: expansible chamber type – Differential
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Device for displaceably supporting a load

Motors: expansible chamber type – Differential
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Device for distributing a fluid flow in fixed proportions

Motors: expansible chamber type – Plural relatively movable or rigidly interconnected working... – Condition responsive means for modifying working member...
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Device for distributing oil under pressure and hydraulic hammer

Motors: expansible chamber type – Cyclically operable – Working member controlled motive fluid for distributor motor
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Device for effecting translational movement of a machine

Motors: expansible chamber type – Relatively movable working members with one having motive... – Single valve unit controlling plural working chambers
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Device for energy transmission for mechanical control, in partic

Motors: expansible chamber type – Working member position feedback to motive fluid control – Electrical input and feedback signal means
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Device for increasing pressure in cylinders with control unit

Motors: expansible chamber type – Relatively movable working members with one having motive...
Reexamination Certificate

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Device for limiting a working stroke of a hydraulic cylinder

Motors: expansible chamber type – Constantly applied motive fluid with controlled venting
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Device for managing the displacement of a hydraulic motor or...

Motors: expansible chamber type – Three or more cylinders arranged in parallel radial or... – Radially disposed cylinders
Reexamination Certificate

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Device for moving and positioning an element of a machine

Motors: expansible chamber type – Moving cylinder – Cylinder and piston have relative reciprocation on fixed axis
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Device for opening and closing a mold in a molding machine

Motors: expansible chamber type – Differential – Opposing pressure applied by bypassing
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