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Patent Searching and Data


Title:
OPERATION KEY DEVICE AND DOOR SWITCH
Document Type and Number:
Japanese Patent JP3941337
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To avoid the deformation of an operation key by preventing the contact of the operation key with others even when a door is kept open.
SOLUTION: This door switch comprises a door switch body mounted on a wall side and the operation key provided on a door. The contact switching of the door switch body is carried out by putting the operation key in and out of a key insertion hole formed in the door switch body with the opening/ closing operation of the door. The operation key 7 is supported to be position- changeable between a protrusion position protruding on a case 6 and a recess position recessing therefrom. A key protrusion/recess means is provided for putting the operation key 7 in recess when the door 3 is kept open and for putting the operation key 7 in protrusion as the door 3 approaches a closing position.


Inventors:
Kajio, Hiroyuki
Niwa, Takashi
Takenaka, Eiko
Isa, Yasuo
Application Number:
JP2000000139597
Publication Date:
July 04, 2007
Filing Date:
May 12, 2000
Export Citation:
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Assignee:
OMRON CORP
International Classes:
F16P3/08; H01H27/00; H01H3/16; (IPC1-7): H01H27/00; F16P3/08
Domestic Patent References:
JP7127795A
JP8285183A
JP54031399A
Attorney, Agent or Firm:
岡田 和秀