Importance

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Abstract

A floor cleaner has driven rollers integrally mounted with a pair of rotating cleaning bodies on respective opposite end portions thereof, each of the rotating cleaning body being provided with a plurality of blades made of an elastic material, and wheels including a pair each of main wheels disposed at forward and rear portions of the casing and auxiliary wheels each of which is located at an intermediate position defined between the respective rotating bodies and main wheels. Each of the auxiliary wheels is positioned somewhat lower than the respective main wheels, i.e. they are collectively arranged in a seesaw-like condition. The main wheels and the auxiliary wheels are journaled to the casing in such a manner that both are swingable toward the front and the rear of the casing. Idle rollers are journaled to the casing between the respective main wheels and the respective driven rollers in a swingable manner. The auxiliary wheels are adapted to freely abut and to be movable away from both the forward and rear driven rollers, respectively, and the respective idle rollers are adapted to freely abut and to be movable away from both the forward or the rear main wheels and the forward or the rear driven rollers, respectively.

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First Claim