Invention Grant
- Patent Title: Airflow indicator assembly and method for vacuum cleaner
- Patent Title (中): 气流指示器组件及吸尘器方法
-
Application No.: US14253238Application Date: 2014-04-15
-
Publication No.: US09532689B2Publication Date: 2017-01-03
- Inventor: Kurt Westbrook , Seth A. Bartley , Kevin D. Fry
- Applicant: SHOP VAC CORPORATION
- Applicant Address: US PA Williamsport
- Assignee: SHOP VAC CORPORATION
- Current Assignee: SHOP VAC CORPORATION
- Current Assignee Address: US PA Williamsport
- Agency: Marshall, Gerstein & Borun LLP
- Main IPC: A47L9/19
- IPC: A47L9/19

Abstract:
A vacuum cleaner having an airflow outlet and an airflow indicator assembly removably disposed at the outlet. The airflow indicator assembly includes a pair of fins attached to a spine and a needle disposed between the pair of fins. During operation of the vacuum cleaner, exhaust air is directed through the outlet and towards the needle, pushing the needle thereby indicating whether service is needed.
Public/Granted literature
- US20150289739A1 Airflow Indicator Assembly and Method For Vacuum Cleaner Public/Granted day:2015-10-15
Information query