Title: Locking system

Abstract: An improvement in a locking system of the type having a series of reference combinations arranged serially upon a tape. A combination entered into said system is compared with the reference combination, and if both combinations are complementary, a lock in the system is released. The improvement comprises apparatus for preventing the unlocking of the system when all the reference combination setting fingers are depressed, or alternately when all the reference combination setting fingers are in a non-depressed position.

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Inventors: Uthenwoldt, Frederick W. (Stamford, CT, US)

Application Number: 606964
Filing Date: 1975-08-22
Publication_date: 1976-12-21
Assignee: Pitney-Bowes, Inc. (Stamford, CT)
Primary Class(es): 70/292 70/315
Other Classes:
US Patent Ref:

1416250	May, 1922	Wismiewski	70/292.
3664231	May, 1972	Hanson	20/292.
3869885	Mar, 1975	Uthenwoldt	70/315.

Other Refs:
Primary Examiner: Frazier, Roy D.
Assistant Examiner: Holko, Thomas J.
Attorney: Soltow, Jr.; William D., Scribner; Albert W., Salzman; Robert S.