Lock system for securing a printer door

Details Lock system for securing a printer door Lock system for securing a printer door

2005-04-19

2005-04-19

Hirshfeld, Andrew H. (Department: 2854)

Typewriting machines

Means auxiliary to typewriting function

Frame, casing, or support for typewriter

C292S137000, C292S138000, C070S159000, C070S129000

Reexamination Certificate

active

06880997

ABSTRACT:
There is provided a lock system for securing a printer door to prevent theft of an ink cartridge. The lock system comprises a lock housing that is attachable adjacent the printer door and which has a lateral aperture extending generally parallel thereto. The lock system further comprises a locking member disposed within the lateral aperture and which is slidable therealong between unlock and lock positions. Its locking portion becomes substantially retracted within the lateral aperture when in the unlock position. The locking portion becomes extended over the printer door when in the lock position to secure the same and prevent theft of the ink cartridge thereby.

REFERENCES:
patent: 3711894 (1973-01-01), Walters
patent: 3899905 (1975-08-01), Walters
patent: 4095828 (1978-06-01), East
patent: 4229956 (1980-10-01), Thorburn
patent: 4452476 (1984-06-01), Stole
patent: 5746455 (1998-05-01), Takimoto
patent: 5853205 (1998-12-01), Enomoto et al.
patent: 6019402 (2000-02-01), Arabia, Jr. et al.
patent: 6301941 (2001-10-01), Nicholsfigueiredo
patent: 6601417 (2003-08-01), Cowper

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