Patent ID: 7562997
Filing Date: 2009-07-21
Classification: F21L,F21V,F21Y

Abstract:
1. A flashlight with a battery device having plural joined-together batteries, comprising a shell, a battery device held in the shell, the battery device including a casing comprising a right covering part and a left covering part that are welded together; the battery device including at least two single-part batteries held in the casing; a positive and a negative poles of the battery device being exposed through the casing; the battery device including a socket on the casing, which is electrically connected with the positive and the negative poles of the battery device, the casing of the battery device having a plurality of axial guiding rib portions on an outer side thereof, and the shell has a plurality of guiding grooves on an inner side to receive the guiding rib portions of the casing; a first and a second electricity-conducting plates secured on a tail end of the battery device, the first and the second being electrically connected with positive and negative poles of the battery device respectively; a light emitting member, a tail cap to cover a tail end of the shell; a circuit board secured in the tail cap, the circuit board having a built-in microcomputer controller to control a power to the light emitting member; the circuit board having a switch installed thereon, which sticks out through the tail cap; and a first and a second springs, which are secured next to the circuit board in the tail cap so as to be in touch with the first and the second electricity-conducting plates at a first end respectively; the first and the second springs being each electrically connected with the microcomputer controller at a second end thereof.