|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||173/169 ; 173/168 ; 173/219 ; 173/DIG.2 ; 181/230 ; 227/130|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 14 인용 특허 : 4|
An air supply and exhaust system comprising a pneumatic tool, an air supply source, an exhaust apparatus, and at least one double-pipeline air hose. The exhaust apparatus includes a filter through which exhaust from the pneumatic tool passes and is provided apart from the pneumatic tool. The double-pipeline air hose includes two pipelines and connects the pneumatic tool and the air supply source, wherein one of the pipeline is for air supply to the pneumatic tool and the other of pipeline is for exhaust from the pneumatic tool.
[What is claimed is:] [1.]a pneumatic tool;an air supply source;an exhaust apparatus including a filter through which exhaust from said pneumatic tool passes, said exhaust apparatus being fitted onto said air supply source and being provided apart from said pneumatic tool; andat least one double-pipeline air hose which includes two coaxial pipelines and connects said pneumatic tool to said air supply source, wherein one of said pipelines, supplies air to said pneumatic tool from said air supply source and the other pipeline exhausts air from said pneumat...