| 摘要 |
PROBLEM TO BE SOLVED: To abolish the work of putting a heat resisting protecting tube on a lead wire by providing a through-hole for inserting through a lead wire to be connected to a terminal on the side wall, and forming an extension part on the side wall located between the through-hole and a housing. SOLUTION: This terminal cover is provided with an extension part for receiving a leas wire 6 leaving a through-hole 7 from under. Accordingly, since the direct contact of the lead wire 6 with a sealed housing 1 can be prevented, a heat resisting protecting tube that was required in the past can be abolished. The extension part 11 is formed into a circular sectional profile about the through-hole side, whereby the lead wire 6 can be more surely retained within the extension part 11. The outward protruding dimension A of the extension part is set so that it is protruded outward more from the outer surface of the sealed case 1, whereby the contact of the lead wire 6 with the sealed case 1 can be surely prevented. Therefore, the number of part items can be reduced, and the assembling work can be also reduced.
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