Inertia switch impact sensor
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United States of America Patent
Stats
-
May 27, 1986
Grant Date -
N/A
app pub date -
Nov 2, 1984
filing date -
Mar 10, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ferromagnetic ball is mounted between dished first and second contacts and subjected to magnetic restraint tending to retain the ball in its central, rest position by means of a rare earth type magnet which is accurately positioned relative to the ball by a polyester shim clamped between the first contact and the magnet as a result of resilient deformation of an annular portion of a cap attached to a housing member enclosing the first and second contacts. Lugs extending from the first and second contacts pass through openings in the housing member and through apertures in a printed circuit board to which the sensor is attached by dowels. The lugs are then attached to the printed circuit board by soldering.
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