| 摘要 |
<p>PURPOSE:To prevent the release from a frame when a battery holder is inserted in and drawn out from an insert hole by providing respective engaging protruding and recessed parts for receiving a battery holder in a thickness direction to the inlet part of the holder insert hole of the frame and the rear end part of the corresponding battery holder on both sides. CONSTITUTION:A pair of engaging recessed parts 11a, 11b are provided to the inlet of a holder insert hole 12 on both sides thereof in an asymmetric form, and a front panel 4 and a back panel 5 respectively forming covers composed of an insulating material such as a synthetic resin material are bonded to both surfaces of a frame 11. The engaging protruding parts 16a, 16b engaged with the engaging recessed parts 11a, 11b are formed to the rear end part of the battery holder 16 inserted in and held to the insert hole 12 of the frame 11 on both sides thereof. The battery holder 16 having a battery 10 placed thereon is inserted in the insert hole 12 of the frame 11 so that the engaging protruding parts 16a, 16b are respectively matched with the engaging recessed parts 11a, 11b. By this method, the battery 10 is received and held by the battery holder 16 and the holder receiving part 13 of the frame 11.</p> |
