Patent ID: 6942359
Filing Date: 2005-09-13
Classification: F21L,F21V,H01M,Y02E

Abstract:
1. A flashlight, comprising: a light source; a housing; at least two battery locations internal to the housing for the positioning of at least two batteries, each of the battery locations being capable of accommodating one of the at least two batteries, one of the at least two batteries being one of at least two different sizes; and an electro-mechanical structure comprising a switch that prevents closing of an electrical circuit that electrically couples the at least two batteries to the light source when the size of a first of the at least two batteries differs from the size of a second of the at least two batteries; at least two first battery contacts associated with a first one of the at least two battery locations, wherein said at least two first battery contacts lie in substantially the same plane and are mounted on an insulator receptacle that can move longitudinally inside the housing; and at least two second battery contacts associated with a second one of the at least two battery locations.