Liquid purification or separation – Structural installation – Closed circulating system
Patent
1997-10-06
1999-01-12
Woo, Jay H.
Liquid purification or separation
Structural installation
Closed circulating system
210238, 210470, 15 17, E04H 416
Patent
active
058582215
ABSTRACT:
A low cost, repairable pool cleaning tool for cleaning debris from a pool bottom wall, comprising a mesh fabric debris receiver having a perimetrical portion, a frame supporting the mesh fabric receiver by its perimetrical portion for debris reception, a protective sleeve surrounding the frame against contact with the pool bottom wall, and a pole attached to said frame for manipulating the receiver in the pool to gather debris from the pool, the mesh fabric being adhesively bonded to the frame or to the sleeve for ease of manufacture and for ready replacement and repair. The tool further includes positive clamping of the fabric mesh at the pole connection to the frame, and a rotatable and removable scrubber lip journaled on the sleeve.
REFERENCES:
patent: 4140634 (1979-02-01), Harry
patent: 4152801 (1979-05-01), Lieber
patent: 4481117 (1984-11-01), Collins
patent: 4820411 (1989-04-01), Lempio
patent: 5173181 (1992-12-01), McFarland
patent: 5342513 (1994-08-01), Wall et al.
patent: 5662797 (1997-09-01), Varrassi
patent: 5705058 (1998-01-01), Fischer
Bachand Louis J.
Morrison Betsey J.
Woo Jay H.
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