Electricity: circuit makers and breakers – Retarded – Chain or flexible drive
Patent
1986-12-12
1988-05-03
Scott, J. R.
Electricity: circuit makers and breakers
Retarded
Chain or flexible drive
200 6186, 200237, 222638, 239 70, H01H 700, G04C 2300, A01G 2700
Patent
active
047421894
ABSTRACT:
A visco-elastic actuator mechanism including a support section and an actuator section. A visco-elastic adhesive is mounted to one of the sections and is engageable by the other of the sections to hold the actuator in a first state. A spring urges apart one of the sections relative to the other until the actuator is abruptly switched to a second state.
REFERENCES:
patent: 2570854 (1951-10-01), Pierce
patent: 2755349 (1956-07-01), Silvers
patent: 3471659 (1969-10-01), Ferrara
patent: 3907493 (1975-09-01), Thettu
Carter Robert E.
Stone W. Porter
Denninger Douglas E.
Iandiorio Joseph S.
Piezo Electric Products, Inc.
Scott J. R.
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