Core retainer for a lock with an interchangeable lock core

Details Core retainer for a lock with an interchangeable lock core Core retainer for a lock with an interchangeable lock core

1999-02-08

2000-01-18

Barrett, Suzanne Dino

Locks

Operating mechanism

Key

70224, 70DIG39, 70369, E05B 904

Patent

active

060148772

ABSTRACT:
An outside handle assembly includes comprises a spindle, a knob connected to the spindle to rotate therewith, and a core retainer. The spindle includes an upper slot and a lower slot, thereby defining two lateral walls. Each lateral wall includes an upper cut defined in an upper side thereof and a lower cut defined in an underside thereof. The knob includes an end wall having an opening defined therein and a projection formed in a periphery that defines the opening. The core retainer is mounted in the spindle and includes a cylindrical main body including a first end with a flange formed on an outer periphery thereof and a second end. The flange includes an outer end face that bears against the end wall of the knob. Two retainer lips are formed on the outer end face of the flange and include a cut therebetween for fittingly receiving the projection of the knob to thereby prevent rotational movement of the knob relative to the core retainer. The core retainer further includes an insert received in one of the upper slot and the lower slot of the spindle. The insert includes two lugs extended beyond the second end of the cylindrical main body. The lugs are received in the upper or lower cuts of the spindle to prevent the lock core from being pulled outwardly in the axial direction.

REFERENCES:
patent: 4444034 (1984-04-01), Best et al.
patent: 4995249 (1991-02-01), Preissler et al.
patent: 5398531 (1995-03-01), Shen
patent: 5507163 (1996-04-01), Juang
patent: 5605064 (1997-02-01), Katayama et al.
patent: 5752399 (1998-05-01), Shen
patent: 5813260 (1998-09-01), Widen
patent: 5927777 (1999-07-01), Kuo et al.

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