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US 11,304,579 B2Granted
Vacuum filter having annular catch
AssigneeShop Vac Corporation
InventorsCraig A. Seasholtz, Kurt Westbrook, Jason Gottschall
Life of this patent
Estimating the term…
Abstract
A filter for a vacuum cleaner includes a top having an open center, a bottom plate having an outermost edge, a center, an inside surface facing towards the top, an outside surface facing away from the top, and a catch extending from the inside surface annularly around the center, filter material being secured between the top and bottom plate. An adaptor for a filter cage or the filter cage itself includes a radial retention ring that engages the catch of the filter.
Claims9
A vacuum cleaner, the vacuum cleaner comprising:
- a tank including a dirty air inlet;
- a motor housing comprising a motor, a filter cage having an end, and a clean air outlet;
- and
- a radial retention ring connected to the end of the filter cage, the end of the filter cage including round surface having an outer circumference and an inner circumference, the radial retention ring extending from the inner circumference of the round surface.
1 more element
A vacuum cleaner, the vacuum cleaner comprising:
- a tank including a dirty air inlet;
- a motor housing comprising a motor, a filter cage having an end, and a clean air outlet;
- and
- a radial retention ring provided on an adapter connected to the end of the filter cage,
- the adapter including an annular surface having an outer circumference and an inner circumference, the radial retention ring extending from the inner circumference.
2 more elements
Dependencies are inferred from the claim text.