Ergonomic and easily serviceable vacuum probe

Details Ergonomic and easily serviceable vacuum probe Ergonomic and easily serviceable vacuum probe

1994-03-22

1996-09-17

Scherbel, David

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15344, 15419, A47L 524

Patent

active

055556019

ABSTRACT:
Ergonomic and easily serviceable vacuum probe. The probe for applying a vacuum has a see-through chamber in which a particulate filter is disposed so that the contamination level in the chamber is monitorable for servicing the filter. The probe is vacuum-dependent and sized to be gripped by a person's hand making a fist therearound including around the handle which extends longitudinally of the body. By squeezing the handle toward the body, a valve plunger is pushed radially inwardly to open the valve to apply vacuum. The valve is spring-biased to return to the closed position upon release of the handle.

REFERENCES:
patent: 1644226 (1927-10-01), Bedard
patent: 2128200 (1938-08-01), Allen
patent: 2910717 (1959-11-01), Raymond
patent: 3071402 (1963-01-01), Lasto
patent: 3129892 (1964-04-01), Tillman
patent: 3774847 (1973-11-01), Malec
patent: 3818539 (1974-06-01), Fortune
patent: 3842240 (1974-10-01), Wakita
patent: 4532670 (1985-08-01), Fortune
patent: 5020726 (1991-06-01), Myres
patent: 5211131 (1993-05-01), Plyler

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