Patent ID: 8404053

Claim:
A method for cleaning a computer or typewriter keyboard, wherein the keyboard includes a pair of keys spaced apart a distance S 1 from each other, the method comprising: inserting an engagement area of a cleaning device in between the keys, wherein the cleaning device includes: a handle, a bristle retaining portion extending in a direction d 1 away from the handle, wherein the bristle retaining portion has a first end connected with the handle and the engagement area located on the bristle retaining portion at a point on the bristle retaining portion which is furthest from the handle, wherein the engagement area has a thickness t 1 which is less than the distance S 1 , and wherein the thickness t 1 is measured in a direction d 2 which is generally perpendicular to the direction d 1 of the bristle retaining portion, and a plurality of bristles connected with and extending from the bristle retaining portion at the engagement area, wherein the bristles form a brush, wherein the brush has diameter of greater than 3 mm and less than 20 mm; and moving the bristles in between and under the keys to collect particulates which may be present.