Pendulum and escapement anchor relationship indicator and setter

Details Pendulum and escapement anchor relationship indicator and setter Pendulum and escapement anchor relationship indicator and setter

1975-07-30

1977-07-05

Swisher, S. Clement

Signals and indicators

Bells

Gong type

58134, G04B 1514, G04B 1702

Patent

active

RE0292907

ABSTRACT:
As a guide for setting the relationship between the pendulum and escapement anchor of a clock, the pendulum can be aligned with a pendulum index. A crank stem has one end clamped to the anchor shaft and its other end is offset rearward for projection of its tip radially outward from the clock face for registration with an anchor index. The stem tip is accessible to serve as a handle for turning the anchor shaft relative to the pendulum arm to set the pendulum and anchor in the proper relationship to regulate the escapement for even operation.

REFERENCES:
patent: 716481 (1902-12-01), Rottler
patent: 1095259 (1914-05-01), Wycoff
patent: 1423410 (1922-07-01), Fawyer
patent: 1718653 (1929-06-01), Lauffer

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