A lever escapement is mechanically forced to stay in synchronization with the A/C power. If the power fails, the escapement operates on its own. The motor winds a mainspring, which can run the clock for a day without electrical power.
Patent Dates
Application Date:
1930-03-26
Issue Date:
1941-07-08
Patent Numbers
Patent Number:
2248411
Serial Number:
439640
Description:
Shows 4 embodiments of the invention.
Inventor Information:
Andrew H. Neureuther, Peru, Ill., assignor by mesne assignments , to General Time Instruments Corporation, New York, N. Y., a corporation of Delaware.
