Title:
COVER DEVICE
Document Type and Number:
Japanese Patent JPS62214086
Kind Code:
A
Abstract:
PURPOSE:To prevent rainwater from staying on a main sheet cover, by spreading the main sheet cover over a cargo life port and providing a blower for making the inside pressure of the cargo lift port positive to swell out the main sheet cover. CONSTITUTION:A main sheet cover 32 of a cover device 30 is wound by a roller provided with a hatch 26. The main sheet cover is wound or it is spread on the hatch 26 as the roller 34 moves on the hatch 26. The main sheet cover 32 is attached to a clamp 36 in the vicinity of the hatch. The main sheet cover 32 has a opening 42 formed in a part thereof and the opening 42 is connected to a duct coupled with a blower 44. The blower 44 supplies air into the hatch 26 to make the inside pressure of the patch 26 positive so that the central portion of the main sheet cover swells, whereby rainwater stay is prevented.
Inventors:
TAKEBAYASHI TERUMASA
Application Number:
JP5628786A
Publication Date:
September 19, 1987
Filing Date:
March 14, 1986
Export Citation:
Assignee:
HITACHI PLANT ENG & CONSTR CO
International Classes:
B63B17/02; B65G67/60; (IPC1-7): B63B17/02; B65G67/60