Pendulum device

Details Pendulum device Pendulum device

1996-11-15

1999-07-20

Miska, Vit W.

Horology: time measuring systems or devices

Electrical time base

For reciprocating or oscillating element

368179, 368223, G04B 1500, G04B 1900

Patent

active

059264438

ABSTRACT:
A pendulum device comprises a pendulum rod, a support member for rockably supporting the pendulum rod to permit the pendulum rod to swing freely within a normal swinging angle, and a locking mechanism mounted on the support member for relative movement between first and second positions. The locking mechanism is operative in the first position to lock the pendulum rod from swinging freely and is operative in the second position to enable the pendulum rod to swing freely within the normal swinging angle.

REFERENCES:
patent: 4228533 (1980-10-01), Siefert
patent: 4508456 (1985-04-01), Hepfer et al.
patent: 4829495 (1989-05-01), Kaneko et al.
patent: 5446704 (1995-08-01), Chen

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