Title:
地震対策装置
Document Type and Number:
Japanese Patent JP4810091
Kind Code:
B2
Abstract:
A shock switch main has a main member, a resting device and a return device. The main member has a chamber therein, a first passageway communicated to the chamber, a resting portion at a bottom of the chamber, an aperture on the resting portion, a vertical chamber communicated with the aperture and a second passageway communicated with the vertical chamber. The closing device is rested on the resting portion adapted to drop into the aperture. A return assembly is provided in the vertical chamber, which is moved to move the closing device back to the resting portion from the aperture.
Inventors:
Zhang Zhixi
Application Number:
JP2004373202A
Publication Date:
November 09, 2011
Filing Date:
December 24, 2004
Export Citation:
Assignee:
Zhang Zhixi
International Classes:
F16K17/36; F16K35/00; F23N5/24; H01H35/02
Domestic Patent References:
| JP57210221A | ||||
| JP11013915A | ||||
| JP55175725U | ||||
| JP55093766U |
Attorney, Agent or Firm:
Masaki Hattori