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Class 337/131 - Snap-action (e.g., bistable)


Subclass of Class 337 - Electricity: electrothermally or thermally actuated switches
Definition: Subject matter including significant details of means whereby
No. of patents: 5
Last issue date: 03/04/2008


NumberTitleIssue Date
7339454Tensile-stressed microelectromechanical apparatus and microelectromechanical relay formed therefrom
A microelectromechanical (MEM) apparatus is disclosed which includes a shuttle suspended above a substrate by two or more sets of tensile-stressed beams which are operatively connected to the shuttle and which can comprise tungsten or a silicon nitride/polysilicon c...
03/04/2008
6603386Bi-stable microswitch including shape memory alloy latch
A bi-stable microswitch (1) including a pair of contacts (6, 7) and an armature (4) movable between a first position and a second position to selectively make or break the pair of contacts, the armature being latched in the second position by a shape memo...
08/05/2003
5491460Instrument switch having integrated overcurrent protection
An electrical instrument switch includes a rocker switch for manual on-and-off switching and that is seated in an insulation housing. Depending on the pivot position, the rocker switch moves, with a working end that dips into the housing interior, a conta...
02/13/1996
4166995Thermostatic snap switch
This invention relates to a thermostatic snap switch and in particular it relates to a switch of the type which has a temperature sensing probe containing an actuating element for the switch....
09/04/1979
4107638Thermostat
A thermostat useful for an appliance, which uses a snap action stressed-leaf spring having two stable stressed configurations for the making and breaking of a circuit. Stressing of the spring is provided by differential movement of parts of a heat probe....
08/15/1978
 
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