Electricity: battery or capacitor charging or discharging – Cell or battery charger structure – For handheld device
Reexamination Certificate
2000-04-24
2001-01-30
Wong, Peter S. (Department: 2838)
Electricity: battery or capacitor charging or discharging
Cell or battery charger structure
For handheld device
C320S107000
Reexamination Certificate
active
06181104
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to a rechargeable coffee or spice grinder with rechargeable batteries that are recharged by a recharging station.
Many types of electrically operated rechargeable devices products are known to the prior art. For example, in one earlier invention a recharging system for a cordless hand held vacuum cleaner is disclosed having a recharging base. In another earlier system a multi-station for recharging batteries in cordless tools, such as vacuum cleaners, can openers and brushes is disclosed.
Another prior art recharging system has a station for a cordless razor. While another recharging system discloses a recharging station for hair salon tools.
Still another such system a holding device for a battery operated appliance is disclosed.
DESCRIPTION OF THE PRIOR ART
Various types of recharging systems for battery operated devices, like tools and other cordless appliances, are known to the prior art. For example, U.S. Pat. No. 4,225, 814 to Gantz et al. discloses a system for a cordless hand held vacuum cleaner which has a recharging base.
U.S. Pat. No. 4,591,777 to McCarty et al. discloses a multi-station for recharging batteries in cordless tools, such as vacuum cleaners, can openers and brushes is disclosed.
U.S. Pat. No. 5,075,615 to Dantis discloses recharging system has a station for a cordless razor.
U.S. Pat. No. 5,124,532 to Hafey et al. discloses a recharging station for hair salon tools.
U.S. Pat. No. 5,372,514 to Odemer et al. discloses a holding device for a battery operated appliance is disclosed.
In the present invention a rechargeable coffee or spice, or both, grinder has rechargeable batteries which are recharged by inducing a charge in the grinder from the recharging holster all as will be detailed in the specification that follows hereafter.
SUMMARY OF THE INVENTION
This invention relates to a rechargeable coffee or spice grinder having a rechargeable battery pack that is recharged by placing the grinder into a recharging station.
It is the primary object of the present invention to provide for a rechargeable grinder which is recharged by placing the grinder into a station having a battery charger.
Another object is to provide for such a system in which a cordless grinder may utilize a combination grinding blade that enables the grinder to grind coffee beans or spices.
These and other objects and advantages of the present invention will become apparent to readers from a consideration of the ensuing description and the accompanying drawings.
REFERENCES:
patent: 4225814 (1980-09-01), Gantz et al.
patent: 4591777 (1986-05-01), McCarty et al.
patent: 5075615 (1991-12-01), Dantis
patent: 5124532 (1992-06-01), Hafey et al.
patent: 5208896 (1993-05-01), Katayev
patent: 5372514 (1994-12-01), Odemer et al.
patent: 5785264 (1998-07-01), Yang
patent: 6015106 (2000-01-01), Turgeon et al.
Luk Lawrence
Wong Peter S.
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