Title:
CARGO RECEIVING PLATFORM LIFTING DEVICE
Document Type and Number:
Japanese Patent JP2018096525
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a cargo receiving platform lifting device including a power unit with economically excellent constitution.SOLUTION: A valve block comprises one main block 41 and one or more sub-blocks 42. The main block 41 includes: a check valve 411 configured to prevent backflow; a relief valve 412 configured to suppress an overpressure state; a solenoid valve 413 configured to be opened in a case where a hydraulic actuator connected to the valve block contracts; a main block side oil passage 414 connected to each valve. The sub-block 42 includes at least a sub-block side oil passage 421 connected to the main block side oil passage 414.SELECTED DRAWING: Figure 5
Inventors:
HORIKAWA KATSUHIRO
TSUJI MIKIHIRO
KATAOKA SOTA
TSUJI MIKIHIRO
KATAOKA SOTA
Application Number:
JP2016244656A
Publication Date:
June 21, 2018
Filing Date:
December 16, 2016
Export Citation:
Assignee:
KYOKUTO KAIHATSU KOGYO CO
International Classes:
F15B15/18; B60P1/44; F15B11/00
Attorney, Agent or Firm:
Noboru Fujimoto
Hiroaki Nakatani
Akira Kitada
Hiroaki Nakatani
Akira Kitada
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