Title:
WATERPROOF DOOR
Document Type and Number:
Japanese Patent JP2015200084
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To solve an improvement point due to increasing maintenance difficulty of a cylinder and a failure frequency by water since the cylinder is stored in a casing, and the problem of causing an enlargement of the casing, a cost increase and complication of work, since there is an advantage of surely and smoothly lifting a waterproof door, in a structure for lifting the waterproof door to a medium by the cylinder and a chain, by connecting a part between the waterproof door and the cylinder by the chain, by storing the waterproof door and the cylinder in the casing, in a conventional waterproof door.SOLUTION: In a waterproof door, its casing can be blocked up by a top plate of a waterproof door provided in the doorway, and a lifting mechanism is arranged in a pair of column units erected in the casing, and a cylinder of the lifting mechanism is arranged on the aboveground side in the column units, and a sprocket and a chain of the lifting mechanism are arranged in an underground position in the column units, and the free end-the waterproof door of a rod of the cylinder and the chain are connected, and is effective in miniaturization of the casing, cost reduction, simplification of work, facilitation of maintenance of the cylinder and avoidance of failure.
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Inventors:
KAMIYA YASUNORI
KAMIYA YASUSHI
KAMIYA YASUSHI
Application Number:
JP2014078428A
Publication Date:
November 12, 2015
Filing Date:
April 07, 2014
Export Citation:
Assignee:
SANKI ENG CO LTD
International Classes:
E06B5/00; E04H9/14
Attorney, Agent or Firm:
Kazunori Takenaka
Kimura Mitsuru
Yasushi Sakakibara
Kimura Mitsuru
Yasushi Sakakibara