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US 4,286,259 AGranted
Electrically operated bell
AssigneeKobishi Electric Co., Ltd.
InventorTadashi Ishii
Life of this patent
Estimating the term…
Abstract
An electrically operated bell comprises an electric drive means and a pivotal lever supporting a hammer means. The lever is operatively connected to the drive means for intermittently moving the hammer means into striking contact with a gong. The lever has a pivot adjusting means by which the fulcrum of the pivotal lever can be varied.
Claims5
An electrically operated bell which comprises:
- (a) a base;
- (b) a gong mounted on said base;
- (c) an electric drive means mounted on said base;
- (d) a hammer means for striking against said gong;
- and
- (e) a lever pivotally mounted on said base and supporting said hammer means, said lever being operatively connected to said drive means for intermittently moving said hammer means into striking contact with said gong, and said lever having a pivot adjusting means by which the fulcrum of said pivotal lever can be varied.
3 more elements
Dependencies are inferred from the claim text.