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Title:
切換弁および薪割装置
Document Type and Number:
Japanese Patent JP6731288
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a safe selector valve capable of attaining simple operability and an excellent seal condition, and a wood splitter mounted with the selector valve.SOLUTION: A selector valve V includes: a spool 2 inserted into a housing 1 so as to be movable in an axial direction; a spring 3 configured to energize the spool 2 for positioning to a neutral position; a holding device 4 configured to hold the spool 2 at a stop position against energizing force of the spring 3; and a pilot passage 5 configured to guide pilot pressure with a throttle part 5g included in a pressure chamber R, where internal pressure is made act on the spool 2 to release holding from the holding device 4 to thereby return the spool 2 from the stop position to the neutral position.SELECTED DRAWING: Figure 2

Inventors:
Ogata Akio
Ryota Tamagawa
Ishiji
Application Number:
JP2016116777A
Publication Date:
July 29, 2020
Filing Date:
June 13, 2016
Export Citation:
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Assignee:
KYB Engineering and Service Co., Ltd.
International Classes:
F16K31/44; B27L7/00; F16K3/24
Domestic Patent References:
JP2007064271A
JP11230111A
JP46031680Y1
JP63016101U
JP45030268B1
JP53146321A
JP63199985A
JP58189875U
JP59178008U
JP63082882U
JP7044811U
Attorney, Agent or Firm:
Ken Ishikawa
Izumi Amano