Patent ID: 8276280

Claim:
A pruning assembly comprising an electric shears and a portable operating contact ring, the electric shears including a fixed blade and a movable blade and performing a pruning operation by operating the movable blade by a driving force of a motor, a contact switch installed on one side of a main body to operate the motor and including a movable contact and a fixed contact; and the portable operating contact ring having a ring shape capable of being put on a user's finger and including a magnet to operate the motor by connecting the movable contact and the fixed contact of the contact switch by a magnetic force of the magnet, the electric shears further comprising a rotating magnet inserted into one side of the movable blade, and first and second hall sensors attached on a rear end of the fixed blade at a regular interval to detect a position of the rotating magnet, wherein the first hall sensor detects a closed state of the movable blade and the second hall sensor detects an opened state of the movable blade, thus controlling a one-time reciprocating rotation of the movable blade.