Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1996-09-18
1998-02-10
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15395, 15401, 15414, A47L 906
Patent
active
057155690
ABSTRACT:
An accessory for a vacuum cleaner for cleaning sediment from the floor of the inside of an electrical hot water tank is received within the electrical heating element mounting port of the tank and is configured such that it may be manipulated in a 360 degree traverse for cleaning the convex dome shaped floor including the floor adjacent the wall. The accessory has a first tubular member having one end adapted to be connected to the vacuum cleaner and includes four sections which have respective axes of elongation inclined relative to those of the adjacent sections. A second tubular member is received within the end of the first tubular member remote from the end which is attached to the vacuum cleaner and has a nozzle at its free end. The second tubular member may swivel about its axis relative to the first tubular member and may be extendible along its axis relative to the first tubular member. The nozzle has a free end which is inclined at an angle relative to the axis of the second tubular member for complementing the convex shape of the floor.
REFERENCES:
patent: 2203088 (1940-06-01), Hansson
patent: 2206959 (1940-07-01), Irish
patent: 2241771 (1941-05-01), Ell
patent: 3971098 (1976-07-01), Davis
patent: 4053962 (1977-10-01), McDowell
patent: 4951348 (1990-08-01), Krasznai et al.
patent: 4976004 (1990-12-01), Bufford-Thacker
patent: 5046218 (1991-09-01), Cerri
patent: 5054160 (1991-10-01), Marino
patent: 5410776 (1995-05-01), Schneider
Moore Chris K.
Ruderman Alan
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