Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1998-05-12
2000-10-03
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15405, 153275, A47L 908
Patent
active
061255033
ABSTRACT:
A device for promoting safe, comfortable, economical, and timely use of all currently manufactured, new in stock and used backpack blowers, by using this retracting rotational backpack blower air discharge tube unit (1) that utilizes one section of blower air discharge tubing, wherein the retracting rotational backpack blower tube unit (1) being larger in inside dimension than the outside dimension of a modified backpack blower straight tube, while the retracting rotational backpack blower tube unit (1), will retract in effect over a modified backpack blower straight tube when the upper longitude end of said is attached to a backpack blower discharge air flex tube, as to become a ridged fixed means, thus allowing the retracting rotational backpack blower tube unit (1), to retract and extend by longitudinal means over a modified backpack blower straight tube as to the full length of said when controlled by the hand of the operator while a modified backpack blower straight tube becomes a ridged fixing axis point means for the retracting rotational backpack blower tube unit (1), as said becomes the means, to circumference three hundred and sixty degrees minus or plus at all axis means of a modified backpack blower straight tube, therefore, directing discharge air flow of a backpack blower using angular means of the retracting rotational backpack blower tube unit (1), that incorporates a lower angular means curvature, from any three hundred and sixty degree horizontal or vertical angular means of the retracting rotational backpack blower tube unit (1) on demand by the hand action of the operator.
REFERENCES:
patent: 2623234 (1952-12-01), Brown
patent: 3244437 (1966-04-01), Belicka et al.
patent: 3938218 (1976-02-01), DeAmicis
patent: 4746274 (1988-05-01), Kiyooka et al.
Az-Tech Research and Development Corporation
Moore Chris K.
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