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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||15/3275 ; 15/409 ; 451/456|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 23 인용 특허 : 9|
A portable vacuum system adapted to be worn on the back of an operator for collecting dust and debris generated during use of an air powered tool such as a grinder or a sander. The portable vacuum system is powered by the same pressurized air source used to power the tool, thus eliminating the need to tether the operator to additional hoses. The portable vacuum system comprises a collection bag assembly that has mounted thereto a venturi device which generates a vacuum pressure from a pressurized air supply. A vacuum hose is connected between the vacuum ...
[ What is claimed is:] [1.] A portable vacuum system for use by an operator of an air powered tool that creates dust and debris during operation, comprising:a collection container comprising a fabric bag that is adapted to be worn on the back of the operator and having a non-air permeable back panel adapted to rest on the back of the operator, and an intake for receiving dust and debris for collection in the container;a vacuum generating device having a pressurized air inlet for receiving a source of pressurized air, a vacuum inlet at which a vacuum pres...