Title:
ROTARY DEVICE WITH HYDRAULIC MECHANISM
Document Type and Number:
WIPO Patent Application WO/2023/084685
Kind Code:
A1
Abstract:
This rotary device with a hydraulic mechanism is for reducing surge pressure in a hydraulic cylinder, and includes: a rotary mechanism that rotates a cylindrical rotary body through a drive motor; a hydraulic mechanism that provides an axial direction output through the hydraulic cylinder to an operating means via a draw bar that passes through the center of the rotary body; and a hydraulic circuit that supplies hydraulic oil delivered from a pump, lowered to a set pressure by a pressure-reducing valve, to the hydraulic cylinder, and returns the hydraulic oil discharged from the hydraulic cylinder to a tank, the hydraulic circuit being provided with an accumulator and a side branch hose, which are provided in order in the flow direction of the hydraulic oil and in a flow path connected to the hydraulic cylinder.
Inventors:
GOTSU HIDEO (JP)
SUZUKI YASUYUKI (JP)
KATO MOMOKA (JP)
SUZUKI YASUYUKI (JP)
KATO MOMOKA (JP)
Application Number:
PCT/JP2021/041533
Publication Date:
May 19, 2023
Filing Date:
November 11, 2021
Export Citation:
Assignee:
FUJI CORP (JP)
International Classes:
B23B19/02; B23B31/117; B23Q3/12
Foreign References:
| JPH0847804A | 1996-02-20 | |||
| US4398326A | 1983-08-16 | |||
| JP2007278517A | 2007-10-25 |
Attorney, Agent or Firm:
HIROTA Akihiro (JP)
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