Brushing – scrubbing – and general cleaning – Attachments – Optical-member-attachable cleaner
Patent
1988-11-09
1990-03-20
Hornsby, Harvey C.
Brushing, scrubbing, and general cleaning
Attachments
Optical-member-attachable cleaner
350582, A47L 2500
Patent
active
049089030
ABSTRACT:
A cleaning device for cleaning the external surface of a spherical dome in which two transparent, almost semi-spherical bodies are joined with each other by the use of a flange mechanism to form an almost spherical dome and in which a solar ray collecting device is accommodated. The cleaning device comprises fixed members of a oneside-opened and hollow rectangular shape capable of being attachably and removably joined to a portion of the flange mechanism. The cleaning device further comprises a semi-circular wiper having fulcrums located on the fixed members along the diameter, the semi-spherical circle of the spherical dome can move so as to scan the semi-spherical surface thereof, a motor having a drive-shaft on the fulcrum for driving the wiper, a cleaning water passage having an ejection outlet on the inner circumferential surface of the wiper for ejecting pressurized cleaning water toward the spherical dome opposed thereto and a strain device for pressing said wiper onto the surface of the spherical dome with a constant pressure.
REFERENCES:
patent: 3599269 (1971-08-01), Congdon
patent: 3704481 (1972-12-01), Fennell
patent: 3800355 (1974-04-01), Lamprecht et al.
patent: 3832751 (1974-09-01), Ursel et al.
Hornsby Harvey C.
Machuga Joseph S.
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