Patent ID: 8067109
Filing Date: 2011-11-29
Classification: H01M,Y02E

Abstract:
1. A battery holder for a button battery having a bottom surface and a side surface thereof, the battery holder comprising: a holder body having a base wall and a receiving space above the base wall for receiving the button battery, the holder body defining right and left regions around the base wall for receipt of positive and negative terminals, respectively; the positive terminal defining a vertical piece member adapted to abut against the side surface of the button battery; the negative terminal having a battery engaging section extending adjacent the right region for engaging the bottom surface of the button battery, a board connecting section on the left region, short and long spring elements extending from said battery engaging section towards the board connecting section; and wherein said short spring element having a first supporting point proximate to said battery engaging section and said long spring element having a second supporting point disposed adjacent to said board connecting section, such that when the button battery is released at a first position from the battery holder, part of the button battery, engaged by said battery engaging section of the negative terminal, is lifted up by said first and second supporting points bearing against the base wall, and when the button battery is released at a second position, said part of the button battery is lifted by said second supporting point against the base wall while leaving said first supporting point away from the base wall, wherein said vertical piece member includes opposite spaced first and second vertical pieces linked by a middle folded spring element therebetween, said first vertical piece secured onto the holder body, distance control means associated said second vertical piece with said first vertical piece so as to enable said second vertical piece to be movable relative to said first vertical piece along a predefined direction within a predetermined distance; wherein said distance control means includes at least one first arm extending from said first vertical pieces towards said second vertical piece with a stop attached at a free end thereof, and at least one second arm extending from said second vertical piece to be movable along said at least one first arm.