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Patent drawing for Surface cleaning head for vacuum cleaner
US 12,070,177 B2
Cleaning US 12,070,177 B2 Not in force

Surface cleaning head for vacuum cleaner

This invention describes a vacuum cleaner head that uses two spinning rollers to pick up dirt. A front roller pushes debris towards a second, brush-like roller, which then sweeps the dirt into the vacuum's suction opening. A removable lid on top allows easy access to clean or replace these rollers. The claims narrow the invention to a specific design where a single motor drives both rollers using two separate belts, and the front roller is centrally positioned.

Why it matters: This invention is a mechanical improvement to a mature product. No significant technological shifts in motor or material science have emerged since 2020 that would fundamentally alter the cost-benefit of this specific dual-agitator, belt-driven design.

Status
Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build
ModerateCustom molded housing, electric motor, belt drive system

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