Cylinder lock unit with an extra locking pin

Locks – Operating mechanism – Key

Reexamination Certificate

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Details

C070S367000, C070S369000

Reexamination Certificate

active

08056380

ABSTRACT:
A cylinder lock unit is disclosed, with an elongate housing portion (2′) extending outside and along a cylindrical bore, and the elongate housing being dimensioned for being accommodated in a structural part (S) to form a lock device, with a fixed external longitudinal configuration (L) fitting into the structural part. The elongate housing portion has a linear row of cylindrical holes (22′), registering with cylindrical chambers in a key plug having a key slot. The cylindrical holes are closely packed with mutual distances dimensioned in accordance with prescribed minimum standards, and at least one of the cylindrical holes (22′), located adjacent to one longitudinal end of the elongate housing portion (2′), has an inclined cylinder axis, so that, as compared to a lock unit with only mutually parallel cylinder hole axes in the linear row in the elongate housing portion, an extra cylindrical hole is accommodated in the linear row.

REFERENCES:
patent: 3413831 (1968-12-01), Crepinsek
patent: 3777520 (1973-12-01), Crepinsek
patent: 4107966 (1978-08-01), Schlage
patent: 4294092 (1981-10-01), Haggstrom
patent: 4655063 (1987-04-01), Foshee et al.
patent: 7181941 (2007-02-01), Eden, Jr.
patent: 7647798 (2010-01-01), Jones et al.
patent: 2008/0276675 (2008-11-01), Herdman
patent: 2009/0301149 (2009-12-01), Widen

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