Surface cleaning apparatus

This invention describes an upright vacuum cleaner designed to make it easier to store or maneuver. Its rear wheels can move forward and backward, not just rotate. When the cleaner is put into an upright storage position, a connection to the handle pushes the wheels backward from their usual forward position.

Why it matters: This is a mechanical refinement for an upright vacuum cleaner. No significant technological shifts since 2022 have fundamentally altered the cost or feasibility of such a mechanism, so the primary challenge remains demonstrating a compelling user benefit for the added mechanical complexity.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: ModerateCustom mechanical linkage, biasing mechanism.

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