Title:
NEGATIVE PRESSURE MULTIPLIER
Document Type and Number:
WIPO Patent Application WO/2017/131015
Kind Code:
A1
Abstract:
The present invention comprises: a housing 2 having a first shell 21 and a second shell 22, a movable partition 3 that delimits the interior of the housing 2 into a negative pressure chamber R1 and a variable pressure chamber R2, a main body 4 that can connect/shut-off the variable pressure chamber R2 and the atmosphere. The second side part 31Z of the movable partition 3 and the first side part 221Z of the second shell 22 face one another, delimiting the variable pressure chamber R2, and at least one from among the second side part 31Z of the movable partition 3 and the first side part 221Z of the second shell 22 has a protruding part 31y formed thereupon, and at the part of the second side part 31Z of the movable partition 3 and the first side part 221Z of the second shell 22 that face the protruding part 31y, a recessed part 221y into which the protruding part 31y is inserted is formed, and the recessed part 221y is formed in a shape that corresponds to that of the protruding part 31y.
Inventors:
INOUE YOJI (JP)
Application Number:
PCT/JP2017/002501
Publication Date:
August 03, 2017
Filing Date:
January 25, 2017
Export Citation:
Assignee:
ADVICS CO LTD (JP)
International Classes:
B60T13/567; B60T13/569
Foreign References:
JP2007076437A | 2007-03-29 | |||
JPS6067254A | 1985-04-17 | |||
JPS6022554A | 1985-02-05 |
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