G - Physics
01
C
G01C 17/24 (2006.01)
Patent
CA 2470749
A magnetic compass includes a base having a receiving chamber for receiving a compass body, a battery chamber for receiving a battery set, an illuminant chamber for receiving an illuminant, and a locating chamber for receiving an electrically conductive member. The illuminant has a first terminal suspended above the battery set. A push button is supported on the first terminal of the illuminant for pressing by the user to force the first terminal of the illuminant downwards into contact with a first terminal of the battery set. The conductive member has a base frame mounted in the locating chamber, and a contact portion extended from the base frame and inserted into the battery chamber and pressed on a second terminal of the battery set. A second terminal of the illuminant is electrically connected to the base frame of the conductive member.
Chang Gin-Sung
Mcfadden Fincham
LandOfFree
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