Title:
DUST ENTRY PREVENTION MECHANISM AND ENTRANCE PREPARATION ROOM
Document Type and Number:
WIPO Patent Application WO/2020/040275
Kind Code:
A1
Abstract:
This dust entry prevention mechanism is characterized by comprising a raised floor structure (2) and a freely-moving robot vacuum cleaner, the floor structure (2) having a floor surface (3) maintained at a prescribed height and a lower space (4) beneath the floor surface (3), the floor surface (3) being configured with numerous pipes (31) aligned therein and intervals of a prescribed width provided between adjacent pipes (31), and the lower space (4) being spread so that the robot vacuum cleaner can freely move therein.
Inventors:
YONEMORI YOSHIHARU (JP)
Application Number:
PCT/JP2019/032952
Publication Date:
February 27, 2020
Filing Date:
August 23, 2019
Export Citation:
Assignee:
NIPRO CORP (JP)
International Classes:
E04B5/00; E04G23/02; E04H5/02; F24F7/06
Foreign References:
| JP2012225533A | 2012-11-15 | |||
| JPH08178388A | 1996-07-12 | |||
| JP2012065720A | 2012-04-05 | |||
| JPH06229103A | 1994-08-16 | |||
| JPH0711471Y2 | 1995-03-15 |
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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