Title:
SWITCHES
Document Type and Number:
Japanese Patent JP3903035
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide switches capable of restricting a variation in close contacting force of an operating lever.
SOLUTION: The switches have a driving mechanism 30 for linearly reciprocating an operating lever 20 coupled with a tongue rail and a chain lock mechanism 50 connected to the tongue rail and applied with a chain. A driving cam plate 25 of the driving mechanism 30 is provided with an operating lever chain lock surface 27. A conversion roller 48 of a conversion gear 40 is engaged with a driving cam groove 28 of a driving cam plate 25. The operating lever 20 is linearly reciprocated through rotation of the conversion gear 40. A cam surface of a lock piece driving cam plate 60 of the chain lock mechanism 50 has an engagement cam surface 63 for use in engaging a lock piece 70 with a chain lock lever recess 85 and a releasing cam surface 65 for use in releasing the lock piece 70 from the chain lock lever recess 85.
Inventors:
Ikuo Sakurai
Application Number:
JP2003363933A
Publication Date:
April 11, 2007
Filing Date:
October 24, 2003
Export Citation:
Assignee:
Kyosan Manufacturing Co., Ltd.
International Classes:
B61L5/00; (IPC1-7): B61L5/00
Domestic Patent References:
| JP4149301A | ||||
| JP2270671A | ||||
| JP2000168558A | ||||
| JP2001003301A | ||||
| JP2000318610A |
Attorney, Agent or Firm:
Hiroki Sasai
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