Supports: cabinet structure – For particular electrical device or component – Housing for computer or computer related equipment
Reexamination Certificate
2003-03-06
2004-11-23
Nelson, Jr., Milton (Department: 3636)
Supports: cabinet structure
For particular electrical device or component
Housing for computer or computer related equipment
Reexamination Certificate
active
06820951
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a holding member for a security tag member for protecting a commodity product from theft, and a device including the tag holding member.
BACKGROUND OF THE INVENTION
In recent years, security apparatuses using security tag members (hereinafter, simply called a tag member) detectable from outside are widely used for the purpose of protecting commodity products from theft. According to a conventional security apparatus, a tag member detectable from outside is attached, using a pressure sensitive adhesive sheet, to an opening and closing part on the outside of a packaging case containing a commodity product, and carrying out of the packaging case is detected by a detector comprising an electric or magnetic unit installed at an exit or the like of a store, thereby to prevent stealing of commodity products (for example, Japanese Utility Model No. 3041285).
As widely known, there are typical detectors constituted by the electric or magnetic units, that are of {circle around (1)} a magnetic type, {circle around (2)} a radio frequency type, and {circle around (3)} an acoustomagnetic type. In {circle around (1)} the magnetic type, amorphous metal is used as a material of the tag member, whereby the presence of the tag member is detected. Amorphous metal has a property of being very easily magnetized. When the amorphous metal enters a magnetic field made by an external detector or the like, it is influenced by an AC magnetic field so that the tag member itself is magnetized and generates electrical pulse with high directivity. When a receiving antenna of the detector senses a noise caused by this pulse, an alarm is generated.
In {circle around (2)} the radio frequency type, a tag member comprises an LC resonance circuit having a combination of inductors and capacitors. When the tag member enters an area between a transmitting and a receiving antennas of the detector, the tag member resonates and reradiates a radio wave with the same frequency. The reradiated radio wave is deviated in phase from the radio wave from the transmitting antenna of the detector, and therefore the detector senses this and generates an alarm.
In {circle around (3)} the acoustomagnetic type used is a tag member with a plurality of thin sheets of amorphous metal being arranged in parallel. The tag member receives a radio wave outputted by being switched on and off at very short intervals from the transmitting antenna of the detector, and resonates, and the tag member itself outputs a very weak radio wave. In this situation, the presence of the tag member is detected according to the attenuating radio wave outputted from the tag member even after the radio wave radiation from the transmitting antenna is stopped.
The tag members are attached to the packaging cases for most of the commodity products (such as DVD players) that are on sale while contained in packaging cases. Such cases are easily damaged during transportation. Accordingly, the tag members must be attached after the commodity products are delivered to retail stores.
Thus, a construction is proposed according to which the tag member is attached inside the packaging case.
FIG. 7
is a sectional view showing such mounting of a conventional tag member
32
, and reference numeral
30
denotes a commodity product to be protected such as a DVD player. Reference numeral
31
denotes a cushion for protecting the commodity product
30
during transportation, a recessed portion is formed on a surface of an outer side of the cushion
31
, and the tag member
32
is attached to this recessed portion. Reference numeral
33
denotes a packaging case for containing them. According to this construction, the tag member
32
is never damaged during transportation, and therefore the tag member
32
can be mounted at a manufacturing factory before transportation.
However, the above-described conventional construction has a problem that, irrespective of whether the tag member
32
is placed either outside or inside of the packaging case
33
, if only the commodity product
30
is illegally taken out of the packaging case
33
with the cushion
31
being left, such illegal act cannot be detected.
DISCLOSURE OF THE INVENTION
The present invention has an object to solve the above conventional problem, by providing a tag holding member with a detectable structure even when a commodity product is taken out of a packaging case, and a device including the tag holding member.
In order to attain this object, the present invention provides a tag holding member including a holding part for guiding and holding a tag member detectable from outside, and an engaging part for engaging with a chassis of a device to be protected, in which a groove for holding a side face part of the chassis, and a projecting part for engaging in an opening provided in the side face part of the chassis are formed at the engaging part. According to the present invention, the holding part has a lid integrally formed therewith via a hinge, and engaging hooks for engaging with the lid, wherein the lid is openable and closable with respect to the holding part, and the engaging hooks hold the tag member in a closed state with the holding part and the lid. The present invention provides a device including a chassis having an opening for engaging with the projecting part in a side face part, and an outer cover having a side face part opposed to the side face part of the chassis. According to this construction, the holding member for holding the tag member is held at the side face part of the chassis, and is covered with the outer cover, and therefore the tag member is reliably held inside the commodity product to be detectable. Since the mounting of the holding member can be widely selected at both left and right side faces of the chassis, a security device easily placed to an effective detection position with high flexibility of design can be obtained. The present invention will be explained more specifically next.
The tag holding member of the present invention includes a holding part at an upper portion, for guiding and holding a tag member detectable from outside, and an engaging part in a lower portion, which is held at a device to be protected, and a groove for holding a side face part of a chassis of the device to be protected, and a projecting part for engaging in an opening provided in the side face part of the chassis are formed at the engaging part. According to this constitution, the tag holding member can be easily attached to the side face part of the chassis of the device to be protected.
The tag holding member of the present invention is characterized in that the holding part has a lid integrally formed therewith via a hinge, and engaging hooks for engaging with the lid, the lid being openable and closable with respect to the holding part, and the engaging hooks holding the tag member in a closed state with the holding part and the lid. According to the construction, a pressure sensitive adhesive sheet for mounting the tag member is not necessary, and the tag member can be held mechanically by the lid with reliability.
The engaging part is characterized by having a taper. According to this construction, mounting to the chassis is facilitated.
A device including the tag holding member according to the present invention is characterized by including a chassis having an opening for engaging with the projecting part of an engaging part in a side face part, and an outer cover having a side face part opposed to the side face part of the chassis, and characterized in that the engaging part is located between the side face part of the chassis and the side face part of the outer cover.
In the device, the holding part is provided at a higher position than an upper end of the side face part of the chassis. According to this construction, the distance from the metal outer cover can be set optionally, interference in the placement of the components on the chassis can be avoided, and a detection failure caused by the metal chassis itself can be avoided, thus f
Fukushima Yukihiro
Hashimoto Masaaki
Morimoto Yoshitsugu
Jr. Milton Nelson
Parkhurst & Wendel L.L.P.
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