Key operated lock mechanism
United States Patent 2729091
US Patent References:
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Inventors:
William, Taylor Jack
Publication Date:
01/03/1956
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Assignee:
INGERSOLL LTD
Primary Class:
70/358
Other Classes:
70/DIG.035, 70/366, 70/495
International Classes:
E05B27/00; E05B29/00
US Patent References:
1860708Master key disk lock
2111515Lock
2524339Cylinder lock
2641125Cylinder lock with key-way obstructing means
Foreign References:
FR927457A
FR982349A
FR993764A