Conversion valve arrangement

Brushing – scrubbing – and general cleaning – Machines – With air blast or suction

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15361, A47L 900

Patent

active

053513614

ABSTRACT:
An upright cleaner is provided with both above the floor and normal floor operation by the provision of a conversion valve that is driven to converted position by movement of the cleaner handle to storage position. Reconversion also may be obtained by placement of the cleaner handle again in its operative cleaner manipulative range.

REFERENCES:
patent: 1953944 (1934-04-01), Becker
patent: 2070689 (1937-02-01), Smellie
patent: 2175642 (1939-10-01), Replogle
patent: 2300204 (1942-10-01), Carlson
patent: 2372033 (1945-03-01), Taylor
patent: 2898622 (1959-08-01), Hurd
patent: 4376322 (1983-03-01), Lockhart et al.
patent: 4573236 (1986-03-01), Dyson
patent: 4686736 (1987-08-01), Petralia et al.
patent: 4782552 (1988-11-01), Bartlett et al.
patent: 5134750 (1992-08-01), King et al.
patent: 5222276 (1993-06-01), Glenn, III
patent: 5243734 (1993-09-01), Maurer et al.
patent: 5247720 (1993-09-01), Sovis et al.
U.S. Application 07/720/017-Maurer et al-Filed Jun. 24, 1990.

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