Rechargeable battery operated appliance system
Patent
·
OSTI ID:6669144
A rechargeable battery operated appliance system is described comprising: charging stands each having a power cord for plug-in connection to a utility line outlet; rechargeable battery appliances, each having a motor connected through switch means to rechargeable battery means, each charging stand being formed with a recess for receiving and supporting one of the appliances; separable pairs of electrical contacts on the stands and the appliances which are engaged when each appliance is received in each recess to connect the battery means to a charging circuit included in each charging stand; each charging circuit including a step down transformer, the primary of which is connected to the power cord and the secondary of which is connected to one pair of the electrical contacts; a cord storage cavity in each of the charging stands; spaced projections within each cavity on which any excess length of power cord may be wrapped; a plug receptacle mounted in each of the cavities and connected in parallel with the transformer primary to receive power from the power cord. Each charging stand has means for mounting on a vertical wall with the cavity facing the wall and the recess facing away from the wall whereby the appliance is received in the recess and supported by the stand. The charging stands are usable in combination with the power cord of one connected to a power outlet and each other charging stand is connected with its power cord plugged into the plug receptacle of the one charging stand or another charging stand which is powered therefrom.
- Assignee:
- John Zink Co., Tulsa, OK
- Patent Number(s):
- US 4647831
- OSTI ID:
- 6669144
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
25 ENERGY STORAGE
250904* -- Energy Storage-- Batteries-- Other Applications
APPLIANCES
BATTERY CHARGING
ELECTRIC APPLIANCES
ELECTRIC BATTERIES
ELECTRIC CONTACTS
ELECTRIC MOTORS
ELECTRICAL EQUIPMENT
ELECTROCHEMICAL CELLS
ELECTRONIC CIRCUITS
ELECTRONIC EQUIPMENT
EQUIPMENT
MOTORS
POWER SUPPLIES
SWITCHES
TRANSFORMERS
USES
250904* -- Energy Storage-- Batteries-- Other Applications
APPLIANCES
BATTERY CHARGING
ELECTRIC APPLIANCES
ELECTRIC BATTERIES
ELECTRIC CONTACTS
ELECTRIC MOTORS
ELECTRICAL EQUIPMENT
ELECTROCHEMICAL CELLS
ELECTRONIC CIRCUITS
ELECTRONIC EQUIPMENT
EQUIPMENT
MOTORS
POWER SUPPLIES
SWITCHES
TRANSFORMERS
USES