Expansible chamber devices – Piston – Plural separable parts
Patent
1988-04-21
1990-05-22
Price, Carl D.
Expansible chamber devices
Piston
Plural separable parts
92257, 92255, 277153, 277188R, F16J 100
Patent
active
049267450
ABSTRACT:
A pull rod assembly comprising a pull rod having three peripheral grooves, a piston device including an adaptor ring and a seal ring, said piston device being mounted on the pull rod by a split ring retainer situated in one groove and extending into an interior groove in the adaptor and a resilient split ring retained in another groove and positioned to engage the piston device and to retain the seal on its adaptor.
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Constant Richard E.
Denion Thomas
Hightower Judson R.
Moser William R.
Price Carl D.
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