Title:
The locking mechanism of a tubular body
Document Type and Number:
Japanese Patent JP6168559
Kind Code:
B2
Abstract:
A lock mechanism of a tubular body includes a housing having one end on which a tubular body provided with an engagement portion is at least mounted, a lock member that can lock and unlock the housing and the tubular body, and a ring member that is rotatably attached on an outer periphery of the housing and can move the lock member between a lock position and an unlock position, wherein the ring member includes a locking portion. When the locking portion is locked to a locked portion of the housing, the lock member is retained in the unlock position in a state where an urging force is accumulated in the lock member; when the tubular body is inserted in the housing to unlock the locking portion and release the urging force accumulated in the lock member, the lock member moves to the lock position together with the ring member to lock the tubular body; when the ring member is slid in an axis direction of the tubular body after being locked, since a fitting portion provided in the ring member is fitted in a fitted portion provided in the housing to prevent rotation of the ring member, the tubular body can be locked with one touch; and the double lock state can be securely maintained and can be visually confirmed.
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Inventors:
Mikio Nezu
Application Number:
JP2014161506A
Publication Date:
July 26, 2017
Filing Date:
August 07, 2014
Export Citation:
Assignee:
Nifco Co., Ltd.
International Classes:
F16L37/12
Domestic Patent References:
| JP201466315A | ||||
| JP2013534993A | ||||
| JP2011185309A | ||||
| JP2009138814A | ||||
| JP533891A |
Foreign References:
| US3428340 |
Attorney, Agent or Firm:
Kenzo Fukuda
Shinichi Fukuda
Kyosuke Kato
Shinichi Fukuda
Kyosuke Kato