Title:
HIGH PERFORMANCE HANDHELD LIQUID SUCTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/210074
Kind Code:
A3
Abstract:
A handheld suction device (10) may provide an ergonomic and convenient device for cleaning a variety of floor surface soils, including liquid soils. In different configurations, the device may provide a variety of different features to efficiently collect and hold liquid removed from the floor surface and/or prevent vacuum motor flooding if the operator over rotates the device when filled with liquid. In some applications, the handheld suction device provides an interchangeable system that allows the operator to switch between different suction attachments designed for picking up liquid soil and solid soil.
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Inventors:
WELLENS RICHARD (US)
Application Number:
PCT/US2019/029152
Publication Date:
December 05, 2019
Filing Date:
April 25, 2019
Export Citation:
Assignee:
TENNANT CO (US)
International Classes:
A47L5/24; A47L7/00; A47L9/02; A47L9/24
Domestic Patent References:
| WO1998035600A1 | 1998-08-20 |
Foreign References:
| US20080189901A1 | 2008-08-14 | |||
| US20050044657A1 | 2005-03-03 | |||
| DE202013104011U1 | 2013-09-18 |
Attorney, Agent or Firm:
LAVANWAY, Jr., Paul, J. et al. (US)
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