|5886956||Display for illusion of floating in the air|
When front and rear pendulum arms are swung together under the action of a clock movement, the front pendulum arm can swing behind an article supported on a pin because a slit formed in the front pendulum arm allows the front pendulum arm to pass by the a...
|5268881||Compensator for a mechanical pendulum clock|
A compensator for a mechanical pendulum clock has on the rear side of a pendulum bob a center of gravity adjusting device, which is actuated by an electric motor. An electronic controller, which is designed as a comparator and which works as a function of...
|4127986||Pendulum clock mechanism|
A pendulum clock mechanism including a conventional escapement may be coupled to a conventional pendulum bob by means of a rotatable lever such that the oscillations of the escapement are regular and periodic regardless of misalignments of the clock mecha...