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US 5,476,731 AGranted
Field-replaceable battery pack and method for underground installations
AssigneeBadger Meter, Inc.
InventorsLee Karsten, Brenda Stewart
Life of this patent
Estimating the term…
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AssigneeBadger Meter, Inc.
InventorsLee Karsten, Brenda Stewart
Estimating the term…
At least one new battery (60, 61) is added to a transponder unit (10) used in a subsurface pit enclosure (11), by removing a transponder housing (25, 26) from the pit enclosure (11), removing a breakout portion (33) of a top wall (32) of the transponder housing (25, 26) to provide an access opening (52) to access a pair of transponder terminals (50, 51) in the transponder housing (25, 26), mounting a battery (60, 61) sealed in a battery casing (62) to a side of the transponder housing (25, 26), with a pair of battery pack leads (47, 48) extending from the battery casing (62), connecting the battery pack leads (47, 48) to the transponder terminals (50, 51) in the transponder housing (25, 26), and providing a sealed battery pack cover (41) over both a top opening (65) in the battery casing (62) and the access opening (32) in the transponder housing ( 25, 26).
A battery pack assembly for an electrical device located in an enclosure lying below a ground surface, the electrical device being enclosed in a device housing, and the battery pack assembly comprising:
A method for adding a new battery to an electrical device used in a subsurface enclosure, the electrical device being disposed in a device housing, the method comprising the steps of:
Dependencies are inferred from the claim text.