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US 4,907,747 AGranted
Sanitary chemical spray apparatus
OwnerIl Yoo Kiminventor
Life of this patent
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Abstract
The present invention relates to a sanitary chemical spray apparatus mounted to a front bumper of a dump truck, which comprises an extensible jack member and a spray gun including a guide roller and a plurality of nozzles disposed at one end thereof for inserting into a trash container through a door or disposed at the front upper portion of a side wall thereof. The nozzles of the apparatus can be used to spray chemicals within the trash container after removing the solid waste materials therefrom during a sanitary cleaning operation.
Claims8
A. sanitary chemical spray apparatus which comprises:
- a spray gun member containing a spray nozzle device disposed at one end thereof,
- a jack member containing a piston and cylinder, connected to the other end of said spray gun member, said piston and cylinder being operable to extend and retract said jack member and the spray gun member attached thereto, and
- an on/off switch operatively connected with said spray gun member, said on/off switch being connected to a rod member which is mounted to automatically open the on/off switch when the jack member is extended and automatically close the on/off switch when the jack member is retracted.
Dependencies are inferred from the claim text.