SCREW FALL-OFF PREVENTION INSTRUMENT

PROBLEM TO BE SOLVED: To improve workability at the switching of voltages, by surely holding a screw, while preventing the screw from falling off from a driver at the work of the switching of the voltages. SOLUTION: This screw fall--off prevention instrument 20 is constituted, comprising: its body 2...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	MIWA OSAMU
Format:	Patent
Sprache:	eng
Schlagworte:	BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLYOR DISTRIBUTION OF ELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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