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US 2004/0104580 A1Published application
Unit having a memory metal actuator for latching devices of household appliances
OwnerGeorg Spiessl, Albert Dirnberger +2inventors
InventorsGeorg Spiessl, Albert Dirnberger, Josef Nothaas, Gunter Zuhlke
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Abstract
The present invention provides a method for a door latch of a household appliance wherein the unit includes at least one memory metal actuator which generates forces desired during use of the door latch.
Claims19
Unit for a door latch of a household appliance, comprising
- at least one memory metal actuator for generating forces desired during use of the door latch.
Method for operating a unit for a door latch of a household appliance including at least one memory metal actuator for generating forces desired during use of the door latch, comprising the following steps:
- activating the memory metal actuator in order to generate forces for locking the door latch when the door latch is in a latched condition, and/or
- activating the memory metal actuator for generating forces for releasing the door latch when the door latch is in the latched condition, and/or
- activating the memory metal actuator for generating forces to cause the door latch in a latched condition starting from a unlatched condition, and/or
- activating the memory metal actuator for generating forces to cause the door latch in an unlatched condition starting from a latched condition, and/or
- activating the memory metal actuator for generating forces to cause the door latch in an open condition starting from a latched or an unlatched condition, and/or
- activating the memory metal actuator for generating forces to cause the door latch in an unlatched or a latched condition starting from an opened condition.
3 more elements
Dependencies are inferred from the claim text.