Locks – Special application – For portable articles
Reexamination Certificate
1999-06-11
2001-01-16
Barrett, Suzanne Dino (Department: 3627)
Locks
Special application
For portable articles
C070S074000, C070S312000
Reexamination Certificate
active
06173592
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a lock for a suitcase, and more particularly, to a lock which can be opened by one hand and has a setting device which prevents persons having no permission to change the lock code.
BACKGROUND OF THE INVENTION
A conventional suitcase lock is shown in
FIGS. 1 and 2
and includes a base (
100
) on the base portion (
200
) of the suitcase and an engaging part (
101
) on the cover (
201
) of the suitcase. The base (
100
) has an aperture (
102
) defined therein which is designed to receive a locking frame (
103
) extending from the engaging part (
101
). Two number disks (
104
) are rotatably connected to the base (
100
) and the two number disks (
104
) set a pre-determined set of numbers to allow the locking frame on the engaging part (
101
) to disengaged form the base (
100
) by shifting the control button (
105
) on the base (
100
). In other words, when a user wants to open the cover (
201
), he/she has to use one hand to pull a tab (
202
) on the engaging part (
101
) and the other hand to shift the control button (
105
). It is convenient for the user when other stuff is held by his/her hand. Furthermore, the number disks (
104
) are accessible to anyone so that they could be changed or operated unintentionally or intentionally. Because the process for changing the codes set by operating the number disks (
104
) are similar for most of the suitcases in the market.
The present invention intends to provide a suitcase lock which can be opened by one hand and when changing the locking code, a tool such as a coin is needed to rotate a setting member then the user can change the locking code.
SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention, a lock for a suitcase comprises an engaging part on the cover of the suitcase and a base on the base portion of the suitcase. The engaging part has a hook pivotally connected to the engaging part so that the hook is to be engaged with an aperture in the base. The base has a retaining member movably received therein and a pin extends from the retaining member. The pin movably extends in the aperture to engage with the hook.
A control frame is movably received in the base with two protrusions extending from the control frame. A connecting member is connected between the control frame and the retaining member. A spring has one end thereof fixedly connected to the base and the other end of the spring is engaged with the control frame. Two setting disks are rotatably connected to the base and each setting disk has a notch defined therein. The two protrusions are disengagably received in the two notches of the two setting disks while the pin of the retaining member is removed from the aperture. Two number disks are rotatably mounted to the two setting disks.
The primary object of the present invention is to provide a suitcase lock which allows the cover to be opened with one hand only.
Another object of the present invention is to provide a suitcase lock having a setting member which can be operated by a tool such as a coin or a screwdriver so as to re-set a new locking code.
These and further objects, features and advantages of the present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, several embodiments in accordance with the present invention.
REFERENCES:
patent: 2820359 (1958-01-01), Levine
patent: 3121318 (1964-02-01), Norrenberg-Sudhaus
patent: 3405544 (1968-10-01), Gehrie
patent: 3416338 (1968-12-01), Gehrie
patent: 3436938 (1969-04-01), Walters
patent: 4155234 (1979-05-01), Bako
patent: 4719776 (1988-01-01), Molnar
patent: 4819466 (1989-04-01), Werner
patent: 4852372 (1989-08-01), Ling
patent: 4920771 (1990-05-01), Jiang
patent: 4926663 (1990-05-01), Azzalin
patent: 5211040 (1993-05-01), Gisiger
patent: 5237842 (1993-08-01), Rasch et al.
patent: 5307654 (1994-05-01), Ling
patent: 5438853 (1995-08-01), Bartsch
patent: 5485734 (1996-01-01), Yang
Barrett Suzanne Dino
Rosenberg , Klein & Lee
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