| (19) |
 |
|
(11) |
EP 0 283 052 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
13.06.1990 Bulletin 1990/24 |
| (43) |
Date of publication A2: |
|
21.09.1988 Bulletin 1988/38 |
| (22) |
Date of filing: 21.03.1988 |
|
|
| (84) |
Designated Contracting States: |
|
AT BE CH DE ES FR GB GR IT LI LU NL SE |
| (30) |
Priority: |
20.03.1987 JP 67185/87
|
| (71) |
Applicant: OMRON TATEISI ELECTRONICS CO. |
|
Kyoto 616 (JP) |
|
| (72) |
Inventors: |
|
- Shinohara
Kenji
c/oOmron Tateisi Electronics Co
Nagaokakyo-City
Kyoto 617 (JP)
- Niwa, Takashi
c/oOmron Tateisi Electronics Co
Nagaokakyo-City
Kyoto 617 (JP)
|
| (74) |
Representative: WILHELMS, KILIAN & PARTNER
Patentanwälte |
|
Eduard-Schmid-Strasse 2
81541 München
81541 München (DE) |
|
| |
|
| (54) |
Illuminated push-button switch |
(57) Herein disclosed is an illuminated push-button switch structure in which, when the
push button is pushed, the push-button guide member united to the button is depressed
while being supported to slide by the switch base. Then, the switch lever of the switch
mechanism associated with the push-button guide member is abruptly turned back with
a predetermined depression stroke to afford a switching feel. This turn prevents further
movement of the push button in a predetermined depression direction in order to eliminate
any undesired vibration of the push button. Even if the push button is obliquely pushed,
it is always prevented from being inclined to provide the stable switching operation
at all times.