Locks – Special application – For antitheft signaling device on protected article
Patent
1995-09-18
1997-08-12
Gall, Lloyd A.
Locks
Special application
For antitheft signaling device on protected article
24514, 36136, 36139, 70 19, 70 58, 70 59, 70230, 340572, 340693, E05B 7300
Patent
active
056553927
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to an anti-theft device to be applied to a shoe and provided with a sensor element of an alarm system.
In shops and department stores shoes are exposed as "half-pairs", which means that one shoe only of a pair of shoes is exposed in order that the customer can examine the shoe and try it on, the other shoe being stored in the corresponding shoe box at a site, usually a separate storage space, where said other shoe is available to the shop attendants only. The purpose of exposing the shoes in this way is of course that the customers shall not be tempted to take a pair of shoes away without paying therefor. However, it is customers' desire that both shoes should be exposed so that they can be tried on without the necessity to turn to a shop attendant, and this is in good agreement with the desire of the salesmen to reduce the storage space and to use the space where the shoes are exposed also as a storage space. However, in the case said lather system is applied the owner of the shop will soon find to his great dismay that a major number of the exposed pairs of shoes have been replaced by used shoes because dishonest persons have taken a pair of new shoes and replaced them by a pair of used shoes.
In order to put an end on this trouble there is accordingly a clear need for an anti-theft device for shoes but, sorry to say, there exists today no such device which is constructed so as to be suitable specifically for this product. Prior art anti-theft devices are generally constructed to be attached in an existing aperture in the product to be protected against theft or, if there is no such aperture cannot be attached without the product being pierced at some place. As far as shoes are concerned it is, however, required that the anti-theft device can be attached to the shoes without damaging the material of the shoe; not even the surface finish of the shoe material should be damaged. Moreover, which is not less important, the anti-theft device should in no way prevent a person from trying the shoe on with the anti-theft device attached to it.
The purpose of the invention is to provide such an anti-theft device, and for this purpose the invention provides an anti-theft device of the kind referred to above with the characterizing features of claim 1.
The presently preferred embodiment of the anti-theft device according to the invention is defined in claim 3.
In order to explain the invention in more detail reference is made to the accompanying drawings which disclose two illustrative embodiments and wherein
FIG. 1 is a side view of the anti-theft device according to the invention in the first embodiment thereof,
FIG. 2 is an end view of the device as seen from the right side in FIG. 1,
FIG. 3 is an enlarged axial cross sectional view of the anti-theft device.
FIG. 4 is a transverse cross sectional view, also enlarged, of the device attached to a shoe,
FIG. 5 is an axial cross sectional view of the anti-theft device of the second embodiment,
FIG. 6 is an end view of the head of the screw bolt in the embodiment according to FIG. 5,
FIG. 7 is an axial cross sectional view of a control member forming part of the embodiment according to FIG. 5,
FIG. 8 is an end view of the control member as seen from the left side in FIG. 7,
FIG. 9 is an end view of the control member as seen from the right side in FIG. 7,
FIG. 10 is a plan view of a washer forming part of the embodiment according to FIG. 5,
FIG. 11 is a transverse cross sectional view of the washer in FIG. 10 taken along line XI--XI,
FIG. 12 is a plan view of a spring washer forming part of the embodiment according to FIG. 5,
FIG. 13 is a side view of the spring washer,
FIG. 14 is a reduced side view of a special tool for controlling the anti-theft device according to FIGS. 5-13, and
FIG. 15 is an end view of the tool in FIG. 14.
The anti-theft device according to FIGS. 1-4 comprises a cylindrical housing 10 forming a clamp plate 11 integral therewith. A second clamp plate 12 for cooperation with said first mentioned clamp plate is made i
REFERENCES:
patent: 743606 (1903-11-01), Witte
patent: 1293109 (1919-02-01), Kaplan
patent: 2325349 (1943-07-01), Vineberg
patent: 4081918 (1978-04-01), O'Brien
patent: 5144820 (1992-09-01), Holmgren
patent: 5319349 (1994-06-01), Smith, III
patent: 5388433 (1995-02-01), Andersson et al.
Gall Lloyd A.
M W Trading APS
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