Connection device for quickly connecting pneumatic hose

A connecting device includes an inner tube having a plurality of elongate holes and a plurality of oval-shaped beads are movably engaged with the elongate holes. A plurality of openings are defined in an inner surface of the inner tube and communicate with the elongate holes respectively. A valve un...

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Bibliographische Detailangaben
1. Verfasser:	CHANG JENIH
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A connecting device includes an inner tube having a plurality of elongate holes and a plurality of oval-shaped beads are movably engaged with the elongate holes. A plurality of openings are defined in an inner surface of the inner tube and communicate with the elongate holes respectively. A valve unit is movably located in the inner tube and includes a collar which removably closes the openings. An outer tube is movably mounted to an outer surface of the inner tube. An inlet member is connected to a first end of the inner tube. A part in short axis of each of the beads protrudes beyond the opening of the inner tube so as to provide a larger contact area with the head of hose when the head of hose is inserted into the inner tube to push the collar away from the openings.