Patent ID: 7497418

Claim:
A positioning unit of a carpet kicker, comprising: a) a housing having a containing space, a front end and a rear end, a change gear set being disposed within the containing space; b) a handle positioned above the housing and provided for a user to hold; c) a motor installed at the front end of the housing for driving the change gear set within the housing; d) a gear rack partially disposed within the housing and engaged with a pinion at the rear end of the change gear set, the gear rack being driven by the pinion, a front portion of the gear rack being extended from the front end of the housing and linearly movable back and forth; and e) a kicking unit connected to a front end of the gear rack and moved with the gear rack, a bottom surface of the kicking unit having a plurality of protruding pins, and a top surface thereof having a knob, the kicking unit being angularly reversible in orientation relative to the gear rack; wherein a rear end of the housing is provided with a receiving element into which a 7-shaped hook member is engaged, and the 7-shaped hook member includes an shorter internal portion for engaging into the receiving element in place and a longer external portion for leaning against a wall in an upright state, and a flat hook portion is formed at the bottom of the external portion; and wherein the 7-shaped hook member includes a plurality of strengthening ribs that are arranged in a non-flat and parallel manner in a vertical direction.