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Arduino Colasanti, Josef M Cachia, Heino Arff: Friction dampened pendulum sensor. Allied Chemical Corporation, Roger H Criss, July 18, 1978: US04101093 (8 worldwide citation)

A pendulum sensor avoids undesired actuation by employing specially designed contact surfaces between a pendulum head and a pendulum support. Each contact surface includes a circumferential inclined portion. The inclined portions are disposed at an angle with reference to a vertical plane. The pendu ...


2
Colasanti Arduino, Arff Heino, Cachia Joseph M: Detecteur a pendule avec dispositif de reduction du frottement, Friction dampened pendulum sensor. Allied Chemical Corporation, April 1, 1980: CA1074759

Abstract of the Invention A pendulum sensor avoids undesired actuation by employingspecially designed contact surfaces between a pendulum head and apendulum support. Each contact surface includes a circumferentialinclined portion. The inclined portions are disposed at an anglewith reference to a ver ...