Title:
手動弁
Document Type and Number:
Japanese Patent JP4627799
Kind Code:
B2
Abstract:
A cover-equipped manual valve having a ratchet mechanism for preventing rotation of a knob, comprising: a rod formed with an external thread portion on an outer periphery thereof, the rod being unconnected to the knob and held against rotation; a sliding nut of a cylindrical shape, the sliding nut being rotatably held by a body and internally formed with an internal thread portion threadedly engaged with the external thread portion of the rod; an engagement member fixed to the knob, the engagement member being elastically deformable to be engaged with the sliding nut and to be disengaged from the sliding nut when larger torque than a predetermined value is applied to the engagement member; and a knob cover of a hollow shape for covering the knob.
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Inventors:
Akinori Masamura
Application Number:
JP2008324292A
Publication Date:
February 09, 2011
Filing Date:
December 19, 2008
Export Citation:
Assignee:
CKD Corporation
International Classes:
F16K35/10; F16K31/50; F16K7/16
Domestic Patent References:
| JP2249015A | ||||
| JP8086368A | ||||
| JP64049782U | ||||
| JP60084877U | ||||
| JP60073975U | ||||
| JP6034071A | ||||
| JP6034070A | ||||
| JP2121680U | ||||
| JP54024732U | ||||
| JP54003638U |
Attorney, Agent or Firm:
Patent Business Corporation Cosmos Patent Office