Title: Swivelling coupling for fluid

Abstract: This coupling comprises a rotary cylindrical portion which is recessed and an outlet opening whose lower edge is placed level with the lowest point of a surface which is inclined relative to the rotation axis, whereby the said surface is placed adjacent to the axis and the side opposite to the said opening. This coupling is more particularly intended to be used on the inlets and outlets of pneumatic automatic control modules.

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Inventors: Bouteille, Daniel (Marnes la Coquette, FR)
Nicolas, Michel (Plaisir, FR)

Application Number: 556837
Filing Date: 1975-03-10
Publication_date: 1976-09-14
Assignee: La Telemecanique Electrique (FR)
Primary Class(es): 285/179 137/271, 285/93, 285/148.4, 285/215, 285/281, 285/323
Other Classes:
US Patent Ref:

925762	Jun, 1909	Eager	285/184.
1117251	Nov, 1914	Safberg	285/179.
2366809	Jan, 1945	Seemann	285/179.
2764429	Sep, 1956	Betzler	285/179.
3145035	Aug, 1964	Hanback	285/179.
3650549	Mar, 1972	Pepper	285/93.
3653689	Apr, 1972	Sapy et al.	285/322.
3844586	Oct, 1974	Olen	285/179.
3888518	Jun, 1975	Delessert	137/271.

Other Refs:
Primary Examiner: Callaghan, Thomas F.
Assistant Examiner:
Attorney: Drucker; William Anthony