DETACHABLE HAMMER DEVICE FOR AN ELECTRIC DRILL TO FACILITATE PARTIAL REPAIR AND REPLACEMENT

摘要

PURPOSE: A detachable hammer device for an electric drill is provided to replace an internal part of an electric drill easily by attaching and detaching the hammer device to the drill chuck of the electric drill.;CONSTITUTION: A detachable hammer device for an electric drill comprises a housing(10) having first to third guide grooves(11,14) and a screw groove(15); a rotary shaft in which a hexagonal rod(21) is installed on the top for connection of a drill chuck(2) of an electric drill(1) and a recess is formed on the bottom; a bit actuator ring(30) with a one-way latch part; a strike vibration member(40) with a hexagonal connection shaft, a one-way latch part, and a screw connection shaft; a compression spring(50) applying elasticity to the strike vibration member; a handle(60) installed in the screw groove of the housing; and a support ring fitted in the first and third guide grooves of the housing.;COPYRIGHT KIPO 2010