4. Expansible chamber devices
  5. Relatively movable working members
  6. Interconnected with common rotatable shaft

Richard L. Otto

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Reduced oil volume piston assembly for a hydrostatic unit

Expansible chamber devices – Relatively movable working members – Interconnected with common rotatable shaft
Reexamination Certificate

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Roller vane pump

Rotary expansible chamber devices – With changeable working chamber magnitude – By cylinder or cylinder portion pivotal movement
Reexamination Certificate

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Swashplate position assist mechanism

Pumps – Condition responsive control of drive transmission or pump... – Adjustable cam or linkage
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2450210

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