Patent ID: 7237620

Claim:
An electric garden tiller comprising: a main housing; an electric motor mounted within said housing; a transmission connected to said electric motor; a tine shaft connected to said transmission; a tine mounted to said tine shaft; a handle extending away from said electric motor; a sound insulative sleeve mounted around said electric motor; said main housing including a first portion having a first air opening; and a second portion having a second air opening; said insulative sleeve having an upper opening and a lower opening whereby ambient air is directed to said electric motor and exhausted; said transmission includes a two stage speed reduction arrangement through a small drive gear engaged to a large driven gear, said driven gear engaged to a worm shaft, said worm shaft engaged to a worm and said worm engaged to a driven worm wheel; said transmission including a sealed transmission housing formed of two mating aluminum parts; and, said transmission housing encloses said worm and said driven worm wheel; said main housing includes a wall for directing ambient air to the electric motor and isolating ambient air directed to the electric motor from air being exhausted from the electric motor.