Patent ID: 8763355

Claim:
A mower unit to be attached to an engine-powered mower, comprising: a rotary blade; a mower deck covering the rotary blade; a drive shaft penetrating a top plate of the mower deck, the drive shaft having a lower part located below the top plate and an upper part located above the top plate, the rotary blade is attached to the lower part; a pulley type power transmission device for transmitting power from an engine to the drive shaft, the pulley type power transmission device including a pulley attached to the upper part of the drive shaft; a cover having a side skirt and an upper face part, covering the pulley; and a latch mechanism for removably attaching the cover onto the top plate of the mower deck using an elastic deformation of the upper face part of the cover, the latch mechanism including: a first bracket provided to the top plate and formed with at least one first opening; a second bracket provided to the top plate so as to oppose the first bracket via the pulley and formed with at least one second opening; at least one first projection provided to the side skirt of the cover, and for engaging with the first opening when attaching the cover; and at least one second projection provided to the side skirt of the cover, and for engaging with the second opening when attaching the cover.