Battery charger

Patent · Tue May 13 04:00:00 EDT 1986

OSTI ID:5735333

Liautaud, J P; Stultz, P F; Maloney, D L

A battery charger is described for supplying a charging current to a battery-powered device having a pair of spaced-apart charge current receiving contacts on the bottom surface thereof, consisting of: a housing defining an interior chamber and a receptacle having side walls and a bottom wall opening to the exterior of the housing, and including at least one aperture in the bottom wall, for receiving the bottom surface of the battery-powered device; circuit means within the interior chamber for producing a battery charging current; contact means for establishing electrical communication between the circuit means and the contacts of the battery-powered device, the contact means including an electrically non-conductive contact carrier disposed within the interior chamber and movable relative to the bottom wall, and having a pair of non-resilient electrically-conductive contact members mounted in spaced relationship theron, each of the contacts projecting through an aperture in the bottom wall of the receptacle and into mechanical engagement with respective ones of the charge current receiving contacts of the device when the device is seated in the receptacle; and means comprising a spring for biasing the contact carrier toward the device, the spring engaging the carrier intermediate the contacts at one end and the housing at the other end.

• Assignee: NOV; EDB-86-117457; NOV-85-013153
• Patent Number(s): US 4588938
• OSTI ID: 5735333
• Country of Publication: United States
• Language: English

Related Subjects

25 ENERGY STORAGE
250903* -- Energy Storage-- Batteries-- Materials
Components
& Auxiliaries
APERTURES
BATTERY CHARGERS
BATTERY CHARGING
DESIGN
ELECTRIC BATTERIES
ELECTRIC CONDUCTIVITY
ELECTRIC CONTACTS
ELECTRICAL EQUIPMENT
ELECTRICAL PROPERTIES
ELECTROCHEMICAL CELLS
ELECTRONIC CIRCUITS
EQUIPMENT
OPENINGS
PHYSICAL PROPERTIES
SPACE DEPENDENCE
WALLS