Fluid cylinder with swivel joint

Details Fluid cylinder with swivel joint Fluid cylinder with swivel joint

2005-09-27

2005-09-27

Lopez, F. Daniel (Department: 3745)

Expansible chamber devices

With removal conduit for liquid seepage from expansible chamber

C092S113000, C092S119000

Reexamination Certificate

active

06948417

ABSTRACT:
A fluid cylinder with a swivel joint which is more improved with high utility is provided. To this end, in the fluid cylinder, a flow passage (R2b) leading to a chamber (1F) at the rod side of the cylinder is provided inside a rod (3), and a pin hole (3H) in a rod front end portion (3F) and a pin (P1) fitted in the pin hole (3H) are formed into a swivel joint so that the flow passage (R2b) is always guided to an outside even if the pin hole (3H) and the pin (P1) are relatively rotated.

REFERENCES:
patent: 2293167 (1942-08-01), Overbeke
patent: 2936086 (1960-05-01), Pueschner et al.
patent: 3293994 (1966-12-01), Napolitano
patent: 3399786 (1968-09-01), Honeycutt
patent: 6257122 (2001-07-01), Michler et al.
patent: 1-148105 (1989-10-01), None

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