18918948. BATTERY WITH NO ROLL GROOVE (TECHTRONIC CORDLESS GP)
BATTERY WITH NO ROLL GROOVE
Organization Name
Inventor(s)
Ding Xing Yi of Guangdong Province CN
Zhi Qing Han of Guangdong Province CN
BATTERY WITH NO ROLL GROOVE
This abstract first appeared for US patent application 18918948 titled 'BATTERY WITH NO ROLL GROOVE
Original Abstract Submitted
A battery with no roll groove comprising a cap, an outer washer, a casing and a rolled core, wherein the rolled core is accommodated in the casing, and the cap is electrically connected to the rolled core; a top portion of the casing is bent inward and tightly presses the outer washer against the cap, thereby fixing the rolled core in the casing; the casing has no roll groove structure. The outer washer comprises an outer washer top portion, the outer washer top portion being an annular structure, and the cap being exposed through a central round opening; and an outer washer bottom portion, disposed between the cap and the casing.