Variable combination alphabetic indicia padlock

Details Variable combination alphabetic indicia padlock Variable combination alphabetic indicia padlock

1999-02-12

2000-02-08

Boucher, Darnell M.

Locks

Portable

Padlocks

70319, 70DIG44, E05B 3706, E05B 3700

Patent

active

060216530

ABSTRACT:
The opening of a sliding shackle permits removal of a stack of individual dial type tumbler rings each may possess a number of individual peripherally disposed indicia plates which are removable from each tumbler ring so removed from the body of the padlock. Each tumbler is keyed to permit opening of the lugged shackle in only one rotational orientation of each tumbler. The indicia plates may be interchanged either with others already on that tumbler, another tumbler, or with other indicia plates altogether. Alphabetic as opposed to numeric indicia are suggested, either fixed directly to the tumbler rings or upon separate indicia plates, of which a large supply may be provided together with the padlock so that a large number of letter combinations are available for the padlock opening combination code which may be set by the owner to a desired code word. It is suggested that each indicia plate be slidably removable from the tumbler axially and that the padlock case enclose the sides of the tumbler rings so that the indicia cannot be moved unless the tumbler rings are removed from the padlock. It is also suggested that a bias be placed axially upon the stacked tumbler rings to prevent accidental dislodgement.

REFERENCES:
patent: 752020 (1904-02-01), Anderson
patent: 839333 (1906-12-01), Stolt
patent: 967466 (1910-08-01), Trierweiler
patent: 1195745 (1916-08-01), Snyder
patent: 1497810 (1924-06-01), Szutkowski
patent: 1580573 (1926-04-01), Schara
patent: 4444029 (1984-04-01), Remington
patent: 5715709 (1998-02-01), Lai

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