US 11,751,714 B2
Electrical device for making beverages using power tool battery
Tomoyuki Kondo, Anjo (JP); and Katsuhito Fujinami, Anjo (JP)
Assigned to MAKITA CORPORATION, Anjo (JP)
Filed by MAKITA CORPORATION, Anjo (JP)
Filed on Jan. 21, 2021, as Appl. No. 17/154,573.
Application 17/154,573 is a continuation of application No. 15/997,848, filed on Jun. 5, 2018, granted, now 10,925,428.
Claims priority of application No. 2017-139946 (JP), filed on Jul. 19, 2017; and application No. 2017-228767 (JP), filed on Nov. 29, 2017.
Prior Publication US 2021/0169262 A1, Jun. 10, 2021
Int. Cl. A47J 31/00 (2006.01); H01M 50/247 (2021.01); A23F 5/26 (2006.01); A47J 31/50 (2006.01); H01M 10/42 (2006.01); H02K 7/14 (2006.01)
CPC A47J 31/005 (2013.01) [A23F 5/262 (2013.01); A47J 31/505 (2013.01); H01M 10/42 (2013.01); H01M 50/247 (2021.01); H02K 7/145 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electrical device comprising:
a housing;
a plurality of battery-mount parts provided externally on the housing and configured such that batteries designed for use as a power supply of a power tool are respectively mountable thereon; and
a heat-generating means for boiling water by using electric power supplied by one of the batteries mounted on one of the battery-mount parts, the heat-generating means being disposed within the housing;
wherein the plurality of battery-mount parts is configured such that, when the one of the batteries is mounted on the one of the plurality of battery-mount parts, another one of the batteries, when placed adjacent to the mounted one of the batteries, is physically blocked by a cover member slidably mounted on the plurality of battery-mount parts or by the mounted one of the batteries from moving in a mounting direction with respect to the one of the plurality of battery-mount parts having the one of the batteries mounted thereon.