Timothy Hersey,Kyrylo Shvetsov,Greg Pepe,Samantha Bonano,Joseph P. Callahan
申请号：
US15379175
公开号：
US20170165725A1
申请日:
2016.12.14
申请国别(地区):
US
年份:
2017
代理人:
摘要：
Presented are a method and apparatus for attachment and evacuation. The apparatus includes a housing having an opening, and a motor maintained within the housing, the motor operable to urge a fluid to pass through the opening. The apparatus further includes an adjustable element maintained within the opening, the adjustable element operable to change a size of the opening to a plurality of different diameters, and a knob moveably affixed to the housing, the knob operable to change the adjustable element to the plurality of different diameters.
