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Patent Searching and Data


Title:
KEY SWITCH
Document Type and Number:
Japanese Patent JP3904618
Kind Code:
B2
Abstract:

PURPOSE: To regulate the pulling out of a plate key at a plurality of rotary positions of a rotor by a single solenoid and lower the cost and miniaturize a key switch.
CONSTITUTION: A lock tumbler 5 to be joined with a recessed part 12a of a plate key 12 is installed in the inside of a rotor 3 in the way it can move freely and a reset plate 13 whose one end is interlockingly engaged in a plunger 14a of a solenoid 14 and the other end is brought into contact with the upper face of the lock tumbler 5 in a prescribed rotary range is installed. At the time of driving the solenoid 14, following the movement of the plunger 14a, the reset plate 13 pushes down the lock tumbler 5 and the lock tumbler 5 is made impossible to be joined with the recessed part 12a of the plate key 12.


Inventors:
Fujii, Masaaki
Application Number:
JP1994000322109
Publication Date:
April 11, 2007
Filing Date:
December 26, 1994
Export Citation:
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Assignee:
IDEC IZUMI CORP
International Classes:
H01H27/06; (IPC1-7): H01H27/06
Domestic Patent References:
JP2020657U
JP62024912Y1
JP59021361U
JP55021255U
JP55146361U
JP57049705B1
Attorney, Agent or Firm:
小森 久夫