The present invention relates to a battery pack including a housing, a latch mechanism, a printed circuit board connected to electrical terminals, and an internal frame. The housing includes a first and second portion. The first portion includes openings that receive the latch mechanism and openings
The present invention relates to a battery pack including a housing, a latch mechanism, a printed circuit board connected to electrical terminals, and an internal frame. The housing includes a first and second portion. The first portion includes openings that receive the latch mechanism and openings that receive the terminals. The battery pack also includes a latch cover that protects against water infiltrating between the openings and the latch mechanism, and a terminal cover that protects against water infiltrating between the first housing portion and the terminals. Water that enters the battery pack is directed to the bottom of the battery pack. The water is then drained through openings in the lower housing portion. The internal frame includes openings that secure batteries within the lower housing portion with the help of wedges that are positioned in between adjacent rows of batteries.
대표청구항▼
1. A battery pack comprising: a housing including an inner cavity, an interface for receiving a power tool, and drain holes on a base portion of the housing;battery cells positioned within the cavity;a first latch member extending through the housing;a second latch member extending through the housi
1. A battery pack comprising: a housing including an inner cavity, an interface for receiving a power tool, and drain holes on a base portion of the housing;battery cells positioned within the cavity;a first latch member extending through the housing;a second latch member extending through the housing, the first and second latch members operable to secure the battery pack to the power tool;electrical terminals electrically coupled to the battery cells and operable to interface with the power tool;a latch cover within the inner cavity of the housing supporting the first and second latch members, wherein the latch cover is within the housing such that the housing covers the latch cover; anda first water discharge pathway extending along the latch cover, downward along a first space between the battery cells and the housing, to the drain holes;wherein the first water discharge pathway directs water infiltrating the battery pack to the drain holes. 2. The battery pack of claim 1, wherein the latch cover includes a base portion having a first side and a second side and an elevated portion, the elevated portion extending between the first and second sides of the base portion. 3. The battery pack of claim 2, wherein the elevated portion defines a space between the latch cover and the battery cells. 4. The battery pack of claim 1 further comprising a printed circuit board positioned between the latch cover and the battery cells. 5. The battery pack of claim 4, wherein the latch cover is disposed between an upper portion of the housing and the printed circuit board. 6. The battery pack of claim 4, wherein the latch cover includes a first side and a second side, the first and second sides extending beyond opposite sides of the printed circuit board. 7. The battery pack of claim 1, wherein the first latch member is positioned above a first portion of the latch cover and the second latch member is positioned above a second portion of the latch cover, the first and second latch members being movable relative to one another and the latch cover. 8. The battery pack of claim 1, wherein the latch cover is at least partially exposed to an exterior of the housing. 9. The battery pack of claim 1 further comprising a terminal cover including openings that receive the electrical terminals. 10. The battery pack of claim 9 further comprising a second water discharge pathway including multiple substantially parallel channels extending from the openings of the terminal cover, downward along a second space between the battery cells and the housing, to the drain holes, wherein the second water discharge pathway directs water infiltrating the battery pack to the drain holes. 11. The battery pack of claim 1, wherein the inner cavity is formed by and located between an upper portion and a lower portion of the housing. 12. A battery pack comprising: a housing including an inner cavity, an interface for receiving a power tool, and drain holes on a base portion of the housing;battery cells positioned within the cavity;a first latch member extending through the housing;a second latch member extending through the housing, the first and second latch members operable to secure the battery pack to the power tool;a latch cover within the inner cavity of the housing providing a horizontal support base for the first and second latch members, wherein the latch cover is within the housing such that the housing covers the latch cover;electrical terminals electrically coupled to the battery cells and operable to interface with the power tool;a terminal cover including openings that receive the electrical terminals; anda first water discharge pathway extending from the openings of the terminal cover, downward along a first space between the battery cells and the housing, to the drain holes,wherein the first water discharge pathway directs water infiltrating the battery pack to the drain holes. 13. The battery pack of claim 12 wherein the terminal cover is at least partially exposed to an exterior of the housing. 14. The battery pack of claim 12 further comprising a printed circuit board positioned between the terminal cover and the battery cells. 15. The battery pack of claim 14, wherein the terminal cover is disposed between the interface and the printed circuit board. 16. The battery pack of claim 14, wherein the terminal cover includes a first portion and a second portion, the first portion supported on the printed circuit board and the second portion projecting downward along a side surface of the printed circuit board. 17. The battery pack of claim 12 further comprising a second water discharge pathway extending along the latch cover, downward along a second space between the battery cells and the housing, to the drain holes, wherein the second water discharge pathway directs water infiltrating the battery pack to the drain holes. 18. The battery pack of claim 12 further comprising an internal frame including channels that substantially align with the openings of the terminal cover, wherein the first water discharge pathway further includes the channels. 19. A battery pack comprising: a housing including an inner cavity, an interface for receiving a power tool, and drain holes on a base portion of the housing;battery cells positioned within the cavity;a first latch member extending through the housing;a second latch member extending through the housing, the first and second latch members operable to secure the battery pack to the power tool;electrical terminals electrically coupled to the battery cells and operable to interface with the power tool;a printed circuit board coupled to the electrical terminals;a first cover within the inner cavity of the housing positioned between an upper portion of the housing and the printed circuit board, at least a portion of the first cover extending along a top surface of the printed circuit board and an overhang portion of the first cover projecting downward along a side surface of the printed circuit board, wherein the first cover is within the housing such that the housing covers the first cover;a first water discharge pathway extending from the first cover downward along a first space between the battery cells, to the drain holes,wherein the first water discharge pathway directs water infiltrating the battery pack to the drain holes. 20. The battery pack of claim 19 further comprising a second cover positioned between the interface and the printed circuit board, at least a portion of the second cover extending along the top surface of the printed circuit board and an overhang portion projecting downward along another side surface of the printed circuit board. 21. The battery pack of claim 20 further comprising a second water discharge pathway including multiple substantially parallel channels extending from the second cover downward along a second space between the battery cells, to the drain holes, wherein the second water discharge pathway directs water infiltrating the battery pack to the drain holes. 22. The battery pack of claim 20 wherein the first and second covers are supported by an internal frame that receives and secures the battery cells relative to the inner cavity of the housing.
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