INSTRUMENT
PROBLEM TO BE SOLVED: To provide an instrument 20 acquired by improving a general type instrument. SOLUTION: This instrument 20 has a well 28a-b for storing a dry cell 75, an opening part 78 for exposing a first connector 74 to the well 28a-b, and a boss 76 adjacent to the opening part 78. The boss...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide an instrument 20 acquired by improving a general type instrument. SOLUTION: This instrument 20 has a well 28a-b for storing a dry cell 75, an opening part 78 for exposing a first connector 74 to the well 28a-b, and a boss 76 adjacent to the opening part 78. The boss 76 prevents a wrong terminal of the dry cell 75 from being engaged with the first connector 74 when the dry cell 75 is inserted into the well 28a-b in the wrong direction. A second connector 80 includes a base part 81, a first leg part 82 elastically connected to the base part and extending from the base part, a second leg part 84 elastically connected to the first leg part 82 and extending from the first leg part, and a third leg part 86 elastically connected to the second leg part 84 and extending from the second leg part toward the first leg part 82. |
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