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Class Information
Number: 200/344
Name: Electricity: circuit makers and breakers > Electric switch details > Actuators > Push button > Mechanism to keep key level
Description: Subject matter wherein structure is included to prevent tilting or sideways motion of the push button when other than a direct straight-line force is applied.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
7893376 Key structure with scissors-type connecting member Feb. 22, 2011
7882609 Key, X-structure and manufacturing method thereof Feb. 8, 2011
7881049 Transmission structure, input device, and data processing system Feb. 1, 2011
7842895 Key switch structure for input device Nov. 30, 2010
7745752 Mounting of an operation key within an operation panel Jun. 29, 2010
7728243 Keyboard with wobble prevention structure Jun. 1, 2010
7714245 Keyswitch with balance member May. 11, 2010
7709760 Light-emitting keyboard May. 4, 2010
7709762 Keyboard May. 4, 2010
7696446 Key structure Apr. 13, 2010
7683280 Keyboards and key structures thereof Mar. 23, 2010
7649151 Gear-type key switches of keyboard device Jan. 19, 2010
7629548 Control panel assembly Dec. 8, 2009
7572996 Keyswitch structure Aug. 11, 2009
7564002 Electromechanical device for controlling an image forming apparatus Jul. 21, 2009
7541554 Key structure Jun. 2, 2009
7538290 Automotive push switch May. 26, 2009
7498536 Key structure of a computer keyboard Mar. 3, 2009
7449651 Press key structure Nov. 11, 2008
7442894 Electrical switch having a variable return force Oct. 28, 2008
7432460 Button assembly with status indicator and programmable backlighting Oct. 7, 2008
7417200 Input devices and key structures thereof having resilient mechanisms Aug. 26, 2008
7379720 Keypad lighting using polymer light emitting devices May. 27, 2008
7351928 Key input device Apr. 1, 2008
7345253 Key structures Mar. 18, 2008
7332687 Keyboard structure and keyboard assembly method Feb. 19, 2008
7319202 Key switch device Jan. 15, 2008
7312414 Key switch device Dec. 25, 2007
7288733 Keyboard apparatus Oct. 30, 2007
7265310 Key mechanism Sep. 4, 2007
7247807 Button having stiffer vertical motion and reduced lateral motion Jul. 24, 2007
7238907 Keyboard with key supporting structure Jul. 3, 2007
7238908 Key structure of keyboard Jul. 3, 2007
7183512 Key structure Feb. 27, 2007
7176399 Safety switch device for electrically controlled machines Feb. 13, 2007
7173205 Electronic device with manual operation button Feb. 6, 2007
7173200 Key switch Feb. 6, 2007
7164088 Method and apparatus to improve tactile feel for keyboards and button assemblies Jan. 16, 2007
7158808 Method of branding the keypad of a wireless device Jan. 2, 2007
7138587 Key switch, keyboard and key-switch assembling jig Nov. 21, 2006
7129433 Button assembly and an electronic device Oct. 31, 2006
7126071 Key and input device containing the key Oct. 24, 2006
7094984 Key switch and keyboard input device using the same Aug. 22, 2006
7067754 Bezel-button assembly and method Jun. 27, 2006
7067757 Multi-tier keypad assembly Jun. 27, 2006
7034718 Keyboard with elevated keys Apr. 25, 2006
7022927 Keyboards with elevated keys Apr. 4, 2006
6984797 Push-button switch Jan. 10, 2006
6979792 Keystroke structure (1) Dec. 27, 2005
6958458 Key switch device having high drawability Oct. 25, 2005

1 2 3 4 5 6 7










 
 
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