Safes – bank protection – or a related device – Combined – With marking devices
Patent
1981-02-26
1983-07-05
Peshock, Robert
Safes, bank protection, or a related device
Combined
With marking devices
109 41, 109 29, E05G 112, G08B 1320
Patent
active
043912036
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
This invention relates to security apparatus for protecting valuables against theft. It has particular, but not exclusive application to the protection of valuables stored in security enclosures, whether those enclosures be portable enclosures such as cash boxes and mail bags or fixed installations as in the case of bank vaults and safes.
BACKGROUND ART
Conventional security equipment tends to be expensive and is generally not suited for protecting valuables carried in transportable containers. The contents of small cash boxes such as those commonly carried in taxis, and the often very valuable contents of mail bags are particularly vulnerable to theft, frequently under threat of arms or violence. The present invention enables protection to be provided in these circumstances quite cheaply but most effectively. The invention does, however, have application to large scale security installations because it enables the provision of security apparatus which is virtually tamperproof and cannot be rendered ineffective as in the case of even quite sophisticated conventional electrical systems.
DISCLOSURE OF INVENTION
The present invention provides security apparatus which is operable to protect a valuable by triggering an alarm and/or by defacing or rendering the valuable unusable on a change of pressure in a pressure sealable chamber.
More particularly, the invention provides security apparatus comprising which will be broken by unauthorized access and/or removal of the valuable property; and signal and/or to deface the property or render it useless.
The chamber forming means may be a structure defining said chamber by itself or capable of forming the chamber in association with the property holding means and/or the property to be protected.
Preferably, the chamber forming means is provided with means through which to evacuate the chamber to sub-atmospheric pressure. Such means may comprise a vacuum pump or a suction fitting for connection to a vacuum pump and a one-way valve to seal against loss of vacuum pressure in the chamber.
The means to produce an alarm signal and/or to deface the property or render it useless may comprise a pressurized aerosol source or pressure-pack of a dye, or an explosive pack of such a dye for defacing the valuable and operable by movement of a flexible diaphragm responsive to change of pressure within the chamber.
BRIEF DESCRIPTION OF DRAWINGS
In order that the invention may be more fully explained two particular embodiments will be described with reference to the accompanying drawings in which:
FIG. 1 is a perspective view of a cash box constructed in accordance with the invention;
FIG. 2 is a vertical cross-section through the case box illustrated in FIG. 1;
FIG. 2A shows a modification of the construction illustrated by FIG. 2;
FIG. 3 is a cross-section on the line 3--3 in FIG. 2;
FIG. 4 illustrates a circuit for certain electrical components incorporated in the cash box illustrated in FIGS. 1 to 3;
FIG. 5 is a cross-section through an alternative form of security apparatus designed particularly for protecting the contents of a mail bag; and
FIG. 6 is a cross-section through a further embodiment of the invention designed for the protection of valuable paintings or like works of art.
FIGS. 1 to 4 illustrate a cash box 10 formed as a double walled container comprised of a main body structure 11 and a lid structure 12 which may conveniently be made of fibreglass reinforced plastic.
Body structure 11 comprises an outer open topped rectangular box-like shell 13 and an inner shell 14 which is of similar shape but of smaller size so as to fit within the outer shell. The two shells 13, 14 are rigidly connected together by connectors 15 which are bonded to the two shells to hold them in spaced apart relationship in the composite body structure.
Lid structure 12 is also of composite structure. It comprises an outer lid shell 16 to form a closure for the outer shell 13 of body structure 11 and an inner lid shell 17 to form a closure for the inner shell 14 of the bo
REFERENCES:
patent: 493544 (1893-03-01), Clawson
patent: 551966 (1895-12-01), Holly
patent: 623689 (1899-04-01), Smith
patent: 1228804 (1917-06-01), Miller
patent: 1606516 (1926-11-01), Daly
patent: 1936385 (1933-11-01), Dilatush
patent: 3829851 (1974-08-01), Evan et al.
Peshock Robert
Weiss J.
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