Title:
【発明の名称】ウインチ用油圧装置
Document Type and Number:
Japanese Patent JP2769246
Kind Code:
B2
Abstract:
A hydraulic system is adapted by means of a winch (14) having drive motor (15) and a control valve (19) to quarter a raft (10) from an upper to a lower position by means of the force of gravity and thereafter to lift an empty hook by means of hydraulic motive power. The one side of the drive motor (15), with the control valve in the quartering position (III), is connected to an accumulator (43) for the reception of pressure oil during the operation of the drive motor (15) in the quartering direction. The one side of the drive motor (15), with the control valve (19) in the lifting position (II), is connected to the accumulator (43) for feeding pressure oil for the operation of the drive motor (15) in the lifting direction.
Inventors:
Calve, Attle
Jacobsen, Norman S.
Jacobsen, Norman S.
Application Number:
JP50049794A
Publication Date:
June 25, 1998
Filing Date:
June 01, 1993
Export Citation:
Assignee:
Beth Davit A/S
International Classes:
B63B23/48; B66C13/20; B66D1/08; B66D1/40; B66D1/44; B66D1/60; B66D5/26; B63B27/08; F15B21/14; (IPC1-7): B66D1/08; B63B23/48; B63B27/08; B66C13/20; B66D1/44; B66D1/60; F15B21/14
Attorney, Agent or Firm:
Masaaki Ogura