4. Expansible chamber devices
  5. Piston with rigid axially extending hollow stem
  6. Hollow stem forms axially extending fluid passage

Bernard M. Bourges

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Ram with two-part piston rod

Expansible chamber devices – Piston with rigid axially extending hollow stem – Hollow stem forms axially extending fluid passage
Patent

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Telescopic jack

Motors: expansible chamber type – Relatively movable working members with one having motive... – One working member forms movable chamber for another
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Telescopic structure

Pipes and tubular conduits – Plural duct – Surrounding radially spaced duct with axially spaced...
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Profile ID: LFUS-PAI-P-1376701

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