Class 15/81 - Reciprocating brush

Subclass of Class 15 - Brushing, scrubbing, and general cleaning
Definition: Machines especially adapted for cleaning streets by means
No. of patents: 4
Last issue date: 08/29/2006

Number	Title	Issue Date
7097380	Positioning structure of a beach umbrella A positioning structure of a beach umbrella is provided that includes a positioning apparatus to connect with a lower tube of the umbrella. The apparatus has a flat plate for forcing the lower tube being inserted into ground easily. A handle has a rod to engage with...	08/29/2006
6516488	Surface sweeping device A surface sweeping device utilizing a brush connected to an arm first end portion. The second end portion of the arm connects to a shaft rotated by a motor. The arm contacts a cam surface during a portion of the rotation of the crank to raise and lower th...	02/11/2003
5652992	Rotary sand and debris cleaner A device for removing sand, solid particulate wastes and the like from a surface being cleaned, comprising spade-shaped members driven in a closed rotatory circuit cooperating with a brush in synchronized sweeping motion. In a first embodiment, a rotatory...	08/05/1997
5535831	Sand distributor and spreader A sand distributor and spreader for filling sand into aerated holes in golf greens wherein a frame has slidably mounted thereon a plurality of brushes. A gear box, or other source of mechanical energy, is interconnected to the frame such that an output of...	07/16/1996

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