Spherical coupling structure between a piston and a...

Details Spherical coupling structure between a piston and a... Spherical coupling structure between a piston and a...

2006-10-31

2006-10-31

Lazo, Thomas E. (Department: 3745)

Expansible chamber devices

With guide or seal on cylinder end portion for piston or...

C092S187000

Reexamination Certificate

active

07127981

ABSTRACT:
A coupling structure for coupling a piston and a connecting rod has a protrusion formed on the rear surface of the crown of the piston and having a semi-spherical concavity and a threaded portion concentric to the concavity, a substantially spherical small end formed at one end of the connecting rod, a holder holding the spherical small end of the connecting rod slidably in the semi-spherical concavity of the protrusion and a fixing ring having a threaded portion engaging with the threaded portion of the protrusion for securing the holder to the protrusion of the piston.

REFERENCES:
patent: 1294538 (1919-02-01), Rose
patent: 3-17369 (1991-02-01), None
patent: 9-144879 (1997-06-01), None
patent: 09144879 (1997-06-01), None
patent: 2000-213646 (2000-08-01), None
patent: 2000-337506 (2000-12-01), None

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