US PATENT SUBCLASS 15 / 422-- .~.~.~ With guard to inhibit work entry into nozzle mouth

US PATENT SUBCLASS 15 / 422
.~.~.~ With guard to inhibit work entry into nozzle mouth

Current as of: June, 1999
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15 /	HD	BRUSHING, SCRUBBING, AND GENERAL CLEANING

3	DF	MACHINES {11}
300.1	DF	.~ With air blast or suction {26}
415.1	DF	.~.~ Nozzle {7}
422		.~.~.~ With guard to inhibit work entry into nozzle mouth

DEFINITION

Classification: 15/422

(under subclass 415) Nozzles having means other than or in addition to the nozzle lips acting to hinder or to prevent the work being drawn into the nozzle.

SEE OR SEARCH THIS CLASS, SUBCLASS:

378, for mouth guards applied to nozzles having an agitator therein.

391, for devices acting to protect the belt of a belt-driven agitator, which incidentally may act also to prevent the work being drawn into the nozzle at that point.

401+, for nozzles incorporating therein a blade-like member functioning as a scraper or squeegee, the positioning of such blade within the nozzle having the effect of acting also to prevent the work being drawn into the nozzle.