Title:
PRESSURE SWITCH, AND DEVICE FOR CONTROLLING HYDRAULIC EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2016/121104
Kind Code:
A1
Abstract:
A pressure switch (30) is provided with a housing (40) and a spool (31). The housing (40) has a pressure switch chamber (32), a drain chamber (33) which connects to the pressure switch chamber (32) through a first spool hole (41a), and a pressure-receiving chamber (34) which connects to the drain chamber (33) through a second spool hole (42a). The spool (31) has: a spool body (31a) which is inserted in a slidable manner into the first spool hole (41a) and the second spool hole (42a); and a detection pin (31b) which is disposed within the pressure switch chamber (32).
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Inventors:
NISHIMURA TAKUMA (JP)
YAMAGUCHI EIJI (JP)
KATOU MASAYA (JP)
YAMAGUCHI EIJI (JP)
KATOU MASAYA (JP)
Application Number:
PCT/JP2015/052691
Publication Date:
August 04, 2016
Filing Date:
January 30, 2015
Export Citation:
Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
H01H35/38
Foreign References:
| JP2011165415A | 2011-08-25 | |||
| JP2011169439A | 2011-09-01 |
Attorney, Agent or Firm:
Shinjyu Global IP (JP)
fresh green -- a global IP patent business corporation (JP)
fresh green -- a global IP patent business corporation (JP)
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