US5287587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-contained, compact vacuum/extractor
Assignee: Bissell Homecare Inc
•
Filing: 1991-09-10
•
Granted: 1994-02-22
•
Expires: 2011-09-10
Abstract
Abstract A vacuum extractor has a tank assembly including an outer tank and a coaxial inner tank. The inner tank has an open top which is reversibly closed by a cover assembly which includes a vacuum source and a liquid pump. The cover assembly also includes a hose connection in communication with said inner tank and said vacuum source enabling said inner tank to receive either wet or dry materials. The outer tank is substantially closed having an input port closed by a closure member configured in the form of a measuring cup. The outer tank is used for containing a cleaning material which can be accessed through a hose which passes through an aperture in the outer wall of the tank. The hose has an external connector for supplying cleaning material to the liquid pump in the cover assembly which, in turn, supplies the cleaning material to a cleaning tool. The unit is supported by casters which are recessed into the bottom of the tank assembly. A pair of opposed caster recesses are shaped to provide handholds to assist in emptying the separate tanks. The inner tank can be emptied by pouring in a first direction while both inner and outer tanks can be emptied simultaneously by pouring in a second direction opposite to the first direction.
Inventors
- 👤 Robert A. Yonkers
- 👤 Brenda L. Reath
- 👤 Michael R. Blase
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:20
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/34; A47L11/29; A47L11/30; A47L11/40; A47L11/4002; A47L11/4008; A47L11/4013; A47L11/4025; A47L11/4036; A47L11/4044; A47L11/408; A47L11/4083; A47L7/00; A47L7/0004; A47L7/0009; A47L7/0023; A47L7/0038; A47L7/0042
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
239 words
A vacuum extractor, comprising: a tank assembly comprising a solution tank for holding cleaning solution and a recovery tank for holding spent cleaning solution, dirt, and debris recovered from a surface being cleaned; a cover assembly; a vacuum source and a liquid pump in said cover assembly; an input hose connection in communication with said recovery tank and said vacuum source providing a passage into said recovery tank for recovered cleaning solution, dirt, and debris; an external quick connect/disconnect input connector on the outer surface of said cover assembly connected to said liquid pump for supplying cleaning solution from said solution tank to said liquid pump and an external output connector on said cover assembly for connecting the output of said liquid pump to an external cleaning device; and an extendable plug-in solution feed extending out of an aperture in a side of said solution tank for conveying the contents of said solution tank to said external quick connect/disconnect input connection for said liquid pump, said plug-in solution feed terminating in a quick connect/disconnect connector which is adapted to be reversibly and releasably connected to said external quick connect/disconnect input connector for said liquid pump on said cover assembly; wherein said recovery tank can be emptied by tilting said tank assembly in a first direction and both said recovery and solution tanks can be emptied by tilting said tank assembly in a second direction opposite to said first direction.
Claim 2
Dependent Claim
239 words
A vacuum extractor, comprising: a tank assembly comprising a solution tank for holding cleaning solution and a recovery tank for holding spent cleaning solution, dirt, and debris recovered from a surface being cleaned; a cover assembly; a vacuum source and a liquid pump in said cover assembly; an input hose connection in communication with said recovery tank and said vacuum source providing a passage into said recovery tank for recovered cleaning solution, dirt, and debris; an external quick connect/disconnect input connector on the outer surface of said cover assembly connected to said liquid pump for supplying cleaning solution from said solution tank to said liquid pump and an external output connector on said cover assembly for connecting the output of said liquid pump to an external cleaning device; and an extendable plug-in solution feed extending out of an aperture in a side of said solution tank for conveying the contents of said solution tank to said external quick connect/disconnect input connection for said liquid pump, said plug-in solution feed terminating in a quick connect/disconnect connector which is adapted to be reversibly and releasably connected to said external quick connect/disconnect input connector for said liquid pump on said cover assembly; wherein said recovery tank can be emptied by tilting said tank assembly in a first direction and both said recovery and solution tanks can be emptied by tilting said tank assembly in a second direction opposite to said first direction.
Claim 3
Dependent Claim
222 words
A vacuum extractor, comprising: a tank assembly comprising a solution tank for holding cleaning solution and a recovery tank for holding spent cleaning solution, dirt, and debris recovered from a surface being cleaned; a cover assembly; a vacuum source and a liquid pump in said cover assembly; an input hose connection in communication with said recovery tank and said vacuum source provided a passage into said recovery tank for recovered cleaning solution, dirt, and debris; an external quick connect/disconnect input connector on the outer surface of said cover assembly connected to said liquid pump for supplying cleaning solution from said solution tank to said liquid pump and an external output connector on said cover assembly for connecting the output of said liquid pump to an external cleaning device; and an extendable plug-in solution feed extending out of an aperture in a side of said solution tank for conveying the contents of said solution tank to said external quick connect/disconnect input connection for said liquid pump, said plug-in solution feed terminating in a quick connect/disconnect connector which is adapted to be reversibly and releasably connected to said external quick connect/disconnect input connector for said liquid pump on said cover assembly; wherein said solution tank has an input port which is reversibly closed by a plug configured in the form of a measuring cup.
Claim 4
Dependent Claim
222 words
A vacuum extractor, comprising: a tank assembly comprising a solution tank for holding cleaning solution and a recovery tank for holding spent cleaning solution, dirt, and debris recovered from a surface being cleaned; a cover assembly; a vacuum source and a liquid pump in said cover assembly; an input hose connection in communication with said recovery tank and said vacuum source provided a passage into said recovery tank for recovered cleaning solution, dirt, and debris; an external quick connect/disconnect input connector on the outer surface of said cover assembly connected to said liquid pump for supplying cleaning solution from said solution tank to said liquid pump and an external output connector on said cover assembly for connecting the output of said liquid pump to an external cleaning device; and an extendable plug-in solution feed extending out of an aperture in a side of said solution tank for conveying the contents of said solution tank to said external quick connect/disconnect input connection for said liquid pump, said plug-in solution feed terminating in a quick connect/disconnect connector which is adapted to be reversibly and releasably connected to said external quick connect/disconnect input connector for said liquid pump on said cover assembly; wherein said solution tank has an input port which is reversibly closed by a plug configured in the form of a measuring cup.
Claim 5
Dependent Claim
276 words
A vacuum extractor, comprising: a tank assembly comprising a solution tank for holding cleaning solution and a recovery tank or holding spent cleaning solution, dirt, and debris recovered from a surface being cleaned; a cover assembly; a vacuum source and a liquid pump in said cover assembly; an input hose connection in communication with said recovery tank and said vacuum source providing a passage into said recovery tank for recovered cleaning solution, dirt, and debris; an external quick connect/disconnect input connector on the outer surface of said cover assembly connected to said liquid pump for supplying cleaning solution from said solution tank to said liquid pump and an external output connector on said cover assembly for connecting the output of said liquid pump to an external cleaning device; and an extendable plug-in solution feed extending out of an aperture in a side of said solution tank for conveying the contents of said solution tank to said external quick connect/disconnect input connection for said liquid pump, said plug-in solution feed terminating in a quick connect/disconnect connector which is adapted to be reversibly and releasably connected to said external quick connect/disconnect input connector for said liquid pump on said cover assembly; wherein said extendable plug-in solution feed comprises an extendable flexible hose which is stored in said solution tank and which extends through an aperture in the wall of said solution tank, said aperture being above the level of the solution in said solution tank, said extendable flexible hose having a quick connect/disconnect fitting on the end thereof which is held in a shaped holder when said plug-in solution feed is not operatively connected to said liquid pump.
Claim 6
Dependent Claim
276 words
A vacuum extractor, comprising: a tank assembly comprising a solution tank for holding cleaning solution and a recovery tank or holding spent cleaning solution, dirt, and debris recovered from a surface being cleaned; a cover assembly; a vacuum source and a liquid pump in said cover assembly; an input hose connection in communication with said recovery tank and said vacuum source providing a passage into said recovery tank for recovered cleaning solution, dirt, and debris; an external quick connect/disconnect input connector on the outer surface of said cover assembly connected to said liquid pump for supplying cleaning solution from said solution tank to said liquid pump and an external output connector on said cover assembly for connecting the output of said liquid pump to an external cleaning device; and an extendable plug-in solution feed extending out of an aperture in a side of said solution tank for conveying the contents of said solution tank to said external quick connect/disconnect input connection for said liquid pump, said plug-in solution feed terminating in a quick connect/disconnect connector which is adapted to be reversibly and releasably connected to said external quick connect/disconnect input connector for said liquid pump on said cover assembly; wherein said extendable plug-in solution feed comprises an extendable flexible hose which is stored in said solution tank and which extends through an aperture in the wall of said solution tank, said aperture being above the level of the solution in said solution tank, said extendable flexible hose having a quick connect/disconnect fitting on the end thereof which is held in a shaped holder when said plug-in solution feed is not operatively connected to said liquid pump.
References Cited (Backward Citations)
US2909800A
Cited
US3048961A
Cited
US3332101A
Cited
GB1121225A
Cited
US4068340A
Cited
US4185354A
Cited
US4307484A
Cited
USD263842S
Cited
US4367565A
Cited
US4397057A
Cited
US4827562A
Cited
US4800615A
Cited
US4809396A
Cited
DE3739731A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-02-21 | 1997-08-23 | 1998-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-02-21 | 2001-08-23 | 2002-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-02-21 | 2005-08-23 | 2006-02-22 | $7700.00 | Window Closed / Lapsed |