Title:
OUTBOARD MOTOR HOIST
Document Type and Number:
WIPO Patent Application WO/2019/102625
Kind Code:
A1
Abstract:
The present invention achieves an outboard motor hoist capable of flexibly changing the raising/lowering speed as called for by the state of an outboard motor. An outboard motor hoist (1) for raising and lowering an outboard motor comprises: a first oil passage which connects a first hydraulic source and a first chamber of a tilt cylinder; a second oil passage which connects the first hydraulic source and a second chamber of the tilt cylinder; a third oil passage which connects a second hydraulic source and the first oil passage; a fourth oil passage which connects the second hydraulic source and the second oil passage; a first switching valve which is provided on a fifth oil passage that connects the third oil passage and a tank; and a second switching valve which is provided on a sixth oil passage that connects the fourth oil passage and the tank.
Inventors:
SAITO TAKAHIKO
Application Number:
PCT/JP2017/043503
Publication Date:
May 31, 2019
Filing Date:
December 04, 2017
Export Citation:
Assignee:
SHOWA CORP (JP)
International Classes:
B63H20/08; F15B11/08; F15B11/16
Foreign References:
| JP2016114187A | 2016-06-23 | |||
| JPH02102892A | 1990-04-16 | |||
| JPH08270608A | 1996-10-15 | |||
| JP2000233796A | 2000-08-29 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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