Title:
バルブの開閉ハンドルロック機構
Document Type and Number:
Japanese Patent JP4511166
Kind Code:
B2
Abstract:
A valve opening/closing handle lock mechanism provided in a valve having a manually operated valve opening/closing handle ( 1 ) is capable of maintaining the security of the valve by preventing the valve from being opened or closed by accident or with malicious intent after completion of a proper opening/closing operation of the valve by means of the handle ( 1 ). The handle lock mechanism comprises a locking cap ( 4 ) mounted on the handle ( 1 ). The locking cap ( 4 ) functions to prevent the handle ( 1 ) from being operated, extends from the handle ( 1 ) to a handle mount portion ( 3 ) of the valve so as to cover the corresponding portion of the valve with the locking cap ( 4 ), and is provided with: an opening ( 5 ) through which an end portion of the handle ( 1 ) passes outward; or, a longitudinal groove through which the end portion of the opening/closing handle ( 1 ) slidably passes outward.
Inventors:
Hironori Igarashi
Application Number:
JP2003427408A
Publication Date:
July 28, 2010
Filing Date:
December 24, 2003
Export Citation:
Assignee:
Surpass Industry Co., Ltd.
International Classes:
F16K35/10
Domestic Patent References:
| JP50156725A | ||||
| JP39034505Y1 | ||||
| JP7025382U |
Foreign References:
| US1668223 | ||||
| US3443788 |
Attorney, Agent or Firm:
Haruo Saito