G - Physics
08
B
G08B 3/14 (2006.01) A01K 97/01 (2006.01) A01K 97/12 (2006.01)
Patent
CA 2486405
The invention is an alarm arrangement and mainly an acoustic arrangement. The alarm arrangement has an explosive unit (14) that may include a common starter bullet. The invention may advantageously be used for ice fishing. In combination with loaded trip wires, the alarm arrangement can also be used in many applications where it is important to protect both real property and animals. The alarm arrangement is provided with a first plate (7) that has one end with a striker pin (10). The plate is connected to an end (5) of a second plate by a hinge-like connector (6). A foldable plate is connected to a tensioning arrangement (11) and the alarm arrangement includes an explosive unit. The invention is characterized, among other things, by connecting the explosive unit to the alarm arrangement by a cavity (3) of the plate (2). The explosive unit is held to the plate by a collar (15). The explosive unit has a starter bullet that includes a gun powder. The tensioning arrangement of the arrangement has preferably a spiral spring. Another characterized feature of the invention is that one end (12) of the tensioning arrangement is attached to the foldable plate at a distance that is closer to the striker pin of the plate than the mid-point of the plate.
Blaney Mcmurtry Llp
Westby Bengt
LandOfFree
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