Horology: time measuring systems or devices – Escapements – With oscillating or reciprocating means
Patent
1984-04-20
1985-04-09
Roskoski, Bernard
Horology: time measuring systems or devices
Escapements
With oscillating or reciprocating means
368179, G04B 1500
Patent
active
045098654
ABSTRACT:
An electromagnetically-induced rocking clock includes a pendulum-adjustment means having an adjustable weight pivotedly formed on a casing movably fixed on a pendulum so that the weight can be moved either rightward or leftward and the casing can be vertically moved up and down to adjust the gravity center of the pendulum to obtain the selective swinging angle, speed or amplitude of the pendulum.
REFERENCES:
patent: 4395137 (1983-07-01), Wiley
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