Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1989-05-17
1991-05-28
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15301, 15339, 15344, A47L 538
Patent
active
050182382
ABSTRACT:
A hand held wand with forefinger and thumb contours (75) so arranged that upon grasping the wand the index finger is automatically positioned over an on/off switch (74). The wand and switch communicate with a motor/fan housing (39) by means of electrical conductors (81) encased in a thin profile house (80). A device specifically used to remove eraser debris from a drawing surface. The positioning of the wand over a given task and applying power to the motor/fan is accomplished with the use of one hand. The wand (73) is equipped with a hanging ring (70) for wand positioning when not in use. The hanging ring (70) when placed on the ring hook (71) holds the wand in an upright position which is convenient for the operator during his or her course of work. Airborne eraser debris is carried through the hose (80) to the motor/fan housing (39) and deposited in an air filter bag (45) enclosed within an air filter bag chamber (64). The motor/fan housing (39) has multiple means of attaching to the underside of any work station.
REFERENCES:
patent: 279373 (1952-03-01), Halg
patent: 3387319 (1968-06-01), Ferraris et al.
patent: 3636285 (1972-01-01), Wickham et al.
patent: 3965526 (1976-06-01), Doubleday
patent: 4042999 (1977-08-01), Triantafyllou
patent: 4357729 (1982-11-01), Vander Molen et al.
patent: 4532670 (1985-08-01), Fortune
Charmasson Henri J. A.
Moore Chris K.
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