JOINT DEVICE BETWEEN MEMBERS FOR CONSTRUCTION

PROBLEM TO BE SOLVED: To provide a joint device between members excellent in execution workability having high rigidity and strength and generating small displacement and residual displacement relating to extracting force. SOLUTION: A protruded type joint 1 provided in one of the fellow members inte...

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Bibliographische Detailangaben
Hauptverfasser:	IWAHASHI MASAYOSHI, MAEJIMA MINORU, ABE YUKIO, KANEYOSHI AKIHIKO, ISHIKURA YOICHI, FURUKAWA KAZUYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING EARTH DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GALLERIES GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LARGE UNDERGROUND CHAMBERS LIGHTING MECHANICAL ENGINEERING MINING SHAFTS THERMAL INSULATION IN GENERAL TUNNELS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a joint device between members excellent in execution workability having high rigidity and strength and generating small displacement and residual displacement relating to extracting force. SOLUTION: A protruded type joint 1 provided in one of the fellow members intended to be connected is fitted to a recessed part of a hollow type joint 2 provided in the other to make connection. The hollow type joint 2 has an outer frame unit 2a having a tapered hole, a wedge unit 3 set up in this tapered hole, and a coil spring 4 energizing the wedge unit 3 toward an insertion port side inserted with the protruded type joint 1. A tapered angle of the wedge unit 3 corresponding to the tapered hole of the outer frame unit 2a is set to 10 degrees or more. A protruded part 1a of the protruded type joint 1 pressed into the hollow type joint 2 is tightened from an external periphery by the wedge unit 3 energized by the coil spring 3, to resist against an extracting load.