Combination of locking button and spindle for lock

Details Combination of locking button and spindle for lock Combination of locking button and spindle for lock

2007-02-20

2007-02-20

Barrett, Suzanne Dino (Department: 3676)

Locks

Special application

For control and machine elements

C070S216000, C070S476000, C070SDIG073, C292S336300

Reexamination Certificate

active

11306885

ABSTRACT:
A combination of a locking button and a spindle for a lock includes a spindle having a longitudinal hole and a locking button having a grip portion for manual turning and a shank that is mounted in the longitudinal hole of the spindle. A guiding groove is defined in a circumference delimiting the longitudinal hole and extending along a circumferential direction. The shank includes a coupling section including a protrusion engaged in the guiding groove and movable between two end walls delimiting the guiding groove, allowing the locking button to be movable between a locking position and an unlocking position.

REFERENCES:
patent: 1944470 (1934-01-01), Schlage
patent: 2662387 (1953-12-01), Hagstrom
patent: 2743123 (1956-04-01), Alexander
patent: 3025096 (1962-03-01), Williams
patent: 3800573 (1974-04-01), Babb et al.
patent: 5232255 (1993-08-01), Palmer et al.
patent: 5284372 (1994-02-01), Lin
patent: 5941108 (1999-08-01), Shen
patent: 6098434 (2000-08-01), Liou
patent: 6575006 (2003-06-01), Don
patent: 2003/0222464 (2003-12-01), Don

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