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US 10,276,317 B2Granted
Snap-action drive and switching device having a snap-action drive
AssigneeSiemens Aktiengesellschaft
InventorsHans-Peter Dambietz, Christian Dengler, Frank Ehrlich, Roland Monka, Ingolf Reiher, Stefan Rossa, Peter Schmidt, Marcel Weigel
Life of this patent
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Abstract
A snap-action drive for a switching device has an energy store, a swinging movable part and a securing device for the movable part. The securing device secures a position of the swinging movable part by a force effect, wherein a reversal of direction of the movable part takes place counter to the force effect.
Claims15
A snap-action drive for a switching device, the snap-action drive comprising:
- an energy store;
- a gear mechanism having a swinging movable part, wherein said swinging movable part acting as a lag element in said gear mechanism;
- and
- a securing device for said swinging movable part, a reversal of direction of said swinging movable part takes place counter to a force effect of said securing device.
1 more element
A snap-action drive for a switching device, the snap-action drive comprising:
- an energy store;
- a gear mechanism having a swinging movable part;
- a securing device for said swinging movable part, a reversal of direction of said swinging movable part takes place counter to a force effect of said securing device, wherein said securing device has a dead-center spring;
- and
- said swinging movable part and said securing device forming a bistable system.
2 more elements
A switching device, comprising:
- a snap-action drive containing an energy store, a gear mechanism having a swinging movable part where said swinging movable part acts as a lag element in said gear mechanism, and a securing device for said swinging movable part, a reversal of direction of said swinging movable part taking place counter to a force effect of said securing device;
- and
- switching contact pieces which can move relative to one another and whose relative movement can be brought about by said snap-action drive.
Dependencies are inferred from the claim text.