Electric Clock Driving Mechanism
Summary:
Periodic winding mechanism where the contacts press and wipe to keep the surfaces clean, and the contacts break quickly.
Patent Dates
Application Date:
1927-08-08 Issue Date:
1930-10-21
Patent Numbers
Patent Number:
1779214 Serial Number:
211513
Description:
"A further object of my device is to produce a type of driving mechanism that is sufficiently rugged for use on automobile clocks and sufficiently noiseless for house and mantel clocks, and one that is positive and accurate in construction and simple to construct and inexpensive to produce.
Inventor Information:
Martin Hermann Kaefer of La Salle, Illinois, Assignor to Western Clock Company, of Peru, Illinois, a Corporation of Illinois.
Patent Type:
Utility
Patent Country:
United States
Patent Categories:
DC Electric Clock; Automobile Clock
Assignee:
Western Clock Company (the second one, 1912 - 1936)
Patent Personnel
Inventor:
Kaefer, Martin Attorney:
Neureuther, Andrew
Patent URLs:
U.S. Patent Database; Google Patents
