Movable defensive apparatus

• US 20020083651A1
• Filed: 12/26/2001
• Published: 07/04/2002
• Est. Priority Date: 12/27/2000
• Status: Active Grant

• Current Assignee: Nansei Corp., Nomura 4Cs Corp. Ltd.
• Original Assignee: Kazuo Yano, Yasuhiro Nomura
• Inventors: Yano, Kazuo, Nomura, Yasuhiro
• Granted Patent: US 6,732,479 B2
• Time in Patent Office: Days
• US Class Current: 52/1
• CPC Class Codes: E02B 3/102 Permanently installed raisable dykes
• CPC Class Codes: E04H 9/10 Independent shelters; Arrangement of independent splinter-proof walls
• CPC Class Codes: Y10S 52/12 Temporary protective expedient

Abstract

It is an object of the present invention to provide a movable defensive apparatus in which power for driving a relatively heavy defensive wall and installation space are not required specially, entry of mob, runaway vehicle and the like can be prevented of course, and entry of rainwater and the like can also be prevented to some extent. The movable defensive apparatus comprising a defensive wall (2) disposed in the vicinity of a doorway (O•I) of a site (G) such as a house and an installation or in the vicinity of a doorway (O•I), a window or the like of a building for preventing rainwater and illegal object such as a mob and a runaway vehicle from entering the site (G) or the building; and a piston cylinder unit (20, 20) for driving the defensive wall (2) from a machine room (M•R) to an upper predetermined position along a guide device (10, 10). Running water (30, 31) is supped to the piston cylinder unit (20, 20).

Claims

1. A movable defensive apparatus comprising a defensive wall disposed in the vicinity of a doorway of a site such as a house and an installation or in the vicinity of a doorway, a window or the like of a building for preventing rainwater and illegal object such as a mob and a runaway vehicle from entering the site or the building;

and a drive device for driving the defensive wall from a storage position to a predetermined position along a guide device, wherein

said drive device comprises a piston cylinder unit which is operated by water pressure such as running water and reserved water.

2. A movable defensive apparatus according to claim 1, wherein said defensive wall is provided in the vicinity of the doorway between a fence and another fence surrounding said site.

3. A movable defensive apparatus according to claim 1, wherein said defensive wall is provided in the vicinity of an open/close portion such as a door of the doorway and a window of the building.

4. A movable defensive apparatus according to any one of claims 1 to 3, wherein the storage position of said defensive wall is a basement.

5. A movable defensive apparatus according to claim 2, wherein the storage position of said defensive wall is a side surface of the fence.

6. A movable defensive apparatus according to any one of claims 1 to 5, wherein said piston cylinder unit is of telescopic type.

7. A movable defensive apparatus according to any one of claims 1 to 6, wherein a valve for controlling running water, reserved water or the like to be supplied to said piston cylinder unit is provided in the building.