Title:
安全スイッチ
Document Type and Number:
Japanese Patent JP5620388
Kind Code:
B2
Abstract:
A safety switch is improved by the feature of staying in an open position in the event of breakage of a working rod or breakage or dropout of an operation portion and having a simple structure facilitating size reduction. Even if a rotary shaft is released from a supported state in an operation portion because an operating force of an operation or the number of operations of extracting an actuator from the operation portion exceeds a breakage tolerance, a working rod is permitted to move in an urging direction of a coil spring and is assuredly moved to the operation portion. Therefore, a switch can be assuredly set to an open position and, hence, the safety switch can achieve the safety improvement.
Inventors:
尾畑 哲史
小森 悦朗
安井 武夫
小森 悦朗
安井 武夫
Application Number:
JP2011531765A
Publication Date:
November 05, 2014
Filing Date:
June 16, 2010
Export Citation:
Assignee:
ＩＤＥＣ株式会社
International Classes:
H01H27/00
Domestic Patent References:
| JP2007323985A | 2007-12-13 | |||
| JP2003297192A | 2003-10-17 | |||
| JP2006252778A | 2006-09-21 | |||
| JP2009016214A | 2009-01-22 | |||
| JP2007323985A | 2007-12-13 |
Foreign References:
| WO2009066756A1 | 2009-05-28 |
Attorney, Agent or Firm:
Yuji Yanase
Swing angle Shoichi
Swing angle Shoichi