Sensor for detecting belt rupture
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United States of America Patent
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Nov 22, 2005
Issued Date -
N/A
app pub date -
Jan 4, 2005
filing date -
Jul 10, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A sensor for detecting a rupture or length change in a belt. The sensor has a movable transmission element operatively connected to the belt, that acts on an electrical switch having a contact system in the event of a length change or rupture of the belt. The contact system comprises a switching contact with a contact surface arranged on a first end, and an associated fixed contact. The transmission element acts on the second end of the leaf spring. A limb extends approximately from the first end of the leaf spring in the direction of the second end, and a further limb extends from the second end of the leaf spring in the direction of the first end. The free ends of the two limbs are clamped offset from one another on a carrier part of the switch, such that the switching contact switches over in a bistable manner.
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