Electromechanical abutment sensor with resilient damper plate fo

Details Electromechanical abutment sensor with resilient damper plate fo Electromechanical abutment sensor with resilient damper plate fo

1988-04-22

1989-12-26

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

With means to create magnetic field to test material

270 32, 271258, 310 14, 324207, 335222, 340686, B65H 4504, G01R 3312, H02K 3504, H01F 708

Patent

active

048900605

ABSTRACT:
An electromechanical abutment stop intended particularly for folding machines comprises of a coil (4) and a magnet (2) which are resiliently movable relative to each other. Disposed between coil (4) and magnet (2) is a damper plate (9) of softly resilient material as defined. The abutment sensor is characterized by low overall height. In a preferred embodiment, at least one surface of the damper plate (9) is occupied by projections (10), the shape of which can be used to determine the signal:mechanical pulse characteristic within wide limits, particularly so that the rise in the magnitude of signal will become ever smaller as the mechanical pulse becomes greater. By limiting the free length of travel .DELTA.x coil 4 or magnet 2), it is possible to confine the signal within an upper limit or threshold.

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