CAP FOR VALVE-OPENING/CLOSING OPERATION

PROBLEM TO BE SOLVED: To provide a cap for valve opening/closing operation, in which disassembly between the cap and an operation shaft of the valve is facilitated by inhibiting a torque-transmission member from being shared even during generation of over-torque. SOLUTION: The tip end of the valve-o...

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Bibliographische Detailangaben
1. Verfasser:	SAJI TERUHISA
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 LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a cap for valve opening/closing operation, in which disassembly between the cap and an operation shaft of the valve is facilitated by inhibiting a torque-transmission member from being shared even during generation of over-torque. SOLUTION: The tip end of the valve-operation shaft 1 is fit detachably in a fitting hole 22 of the cap 2. A folding-allowing gap 8 is formed between an inside surface 23A of a large diameter hole 23 and the outside surface of the valve-operation shaft 1. First holding-grooves 10, 10 formed in the valve-operation shaft 1 are allowed to communicate with first holding grooves 25, 25 formed in the cap 2. The torque transmission member 7 made of a leaf spring is held by being fit detachably in the grooves 25, 25 and the grooves 10, 10 through the gap 8. The cap 2 and the operation shaft 1 are integrally connected by screws 9, 9. COPYRIGHT: (C)2004,JPO