Sensor for detecting belt rupture

Details Sensor for detecting belt rupture Sensor for detecting belt rupture

2005-11-22

2005-11-22

Lee, Richard K. (Department: 2832)

Electricity: circuit makers and breakers

Special application

Actuated concurrently with operation or use of art device

C200S061180, C280S808000, C340S686300

Reexamination Certificate

active

06967297

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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