Patent ID: 7043793

Claim:
An adjustable frame for holding a paint roller, wherein the paint roller has two ends with holes, the frame comprising: a) a pair of square arms having uniform bent shapes, wherein each of the square arms includes: i) a distal part having an end and being opposite to the other distal part; ii) a joint part having an end and being assembled opposite to, and in line with, the other joint part; iii) a pair of shafts being opposite to each other and being respectively fixed at the ends of the distal parts for inserting into the holes on the two ends of the paint roller; and iv) a pair of racks being opposite to each other and being respectively fixed at the ends of the joint parts; b) a bar having two ends; c) a square tube being straight and having a wall, two ends, and an internal space, wherein the square tube holds the pair of joint parts respectively through its two ends and holds the pair of racks into its internal space accordingly, the pair of racks mesh with a gear wheel, across the gear wheel, within the internal space of the square tube; d) a tee-joint holding the square tube and having a wall, wherein both the square tube and the tee-joint have a pair of bearing holes through their walls, the pair of bearing holes hold up the bar, to which the gear wheel is fixed; and e) at least one knob being fixed to one of the two ends of the bar, outside the wall of the tee-joint.