Title:
RAMP DOOR OPENING AND CLOSING SYSTEM FOR USE IN AUTOMOBILE CARRYING SHIPS OR OTHER
Document Type and Number:
Japanese Patent JPS5320294
Kind Code:
A
Abstract:
PURPOSE: To provide a ramp door opening and closing system for use in automobile carrying ships or other, in which can assurance valve means is connected in the hydraulic circuit for controlling the operation of winch, so that locking means is not unlocked unless wire is completely wound up.
Inventors:
HOSHINA HISAO
Application Number:
JP8044777A
Publication Date:
February 24, 1978
Filing Date:
July 07, 1977
Export Citation:
Assignee:
EBARA MFG
International Classes:
B63B19/19; B63B19/08; B63B27/14; (IPC1-7): B63B19/08; B63B27/14