Fluid handling – With casing – support – protector or static constructional... – Vehicle
Patent
1994-08-16
1996-03-19
Chambers, A. Michael
Fluid handling
With casing, support, protector or static constructional...
Vehicle
137315, 1373842, F16K 3500
Patent
active
054996538
DESCRIPTION:
BRIEF SUMMARY
This invention relates to security devices for fluid flow lines, particularly but not exclusively for motor vehicles such as cars, vans, lorries, and other such vehicles.
The theft of motor vehicles is a very serious problem and is becoming more prevalent, and the situation is becoming increasingly dangerous due to the so-called `joy riders`, many of whom are under-aged and inexperienced drivers, taking away vehicles and driving them at speeds far in excess of the legal limits. Many accidents - and deaths - have been caused by these so-called `joy riders`.
There have been many proposals for motor vehicle security devices which are designed and intended to cut-off or isolate the fuel supply to the engine from a supply source, but none of the prior proposed devices have proved totally secure and satisfactory. This has been due in no small part to the fact that, although the main component parts of the devices are located beneath the floor of the vehicle, access to such component parts can be had through said floorfrom the interior of the vehicle, and indeed the whole device in many instances can be loosened - and subsequently removed - by releasing securing means located above the floor and within the vehicle. Such prior devices are rendered ineffectual within minutes, and in some cases within seconds, and have proved totally unsatisfactory in preventing the unauthorised removal and driving of a motor vehicle, and the present invention seeks to provide an improved form of security device which will obviate the disadvantages of prior proposed security devices.
According to the present invention there is provided a security device for insertion into the fluid fuel line of a member, said device including a first body member locatable at one side of a floor or wall of said member and a second body member locatable at an opposite, second side of said floor or wall and being securable to said first body member, a rotatable locking device located in said first body member, and a rotatable valve member located in said second body member, said valve member being movable, upon rotation of said locking device, from a first position allowing fluid to flow through said valve member to a second position preventing such flow, said body members being securable together by means located at said second side of said floor or wall engaging means extending from a surface of said first body member which confronts the floor or wall, said device being devoid of any release means at said one side of said floor or wall.
Preferably, said means extending from the said surface of said first body member will be a plurality of threaded shanks or spigots which are secured in blind bores in said surface of said first body member.
Said threaded shanks or spigots will preferably pass through through-bores in said second body member and will be engageable by securing devices so as to secure the first and second body members together.
The first body member will preferably include a domed portion for housing said locking device, said locking device being held captive within said first body member by means located beneath said domed portion and within the confines of said first body member.
Said second body member will preferably include a recess for housing said rotatable valve member, said second body member including a through-bore communicationg with said recess and said valve member when located therein .
In order that the invention may be more readily understood, embodiments of the invention will now be described, by way of example only, reference being made to the accompanying drawings, wherein:
FIG. 1 is a schematic view of a security device in accordance with the invention and showing the device located in a fuel line of a motor vehicle;
FIG. 2 is an exploded perspective view of the security device shown in FIG. 1;
FIG. 3 is a cross-sectional elevation of a security device in accordance with an alternative embodiment of the invention; and
FIG. 4 is a side view of part of FIG. 1.
Referring to the drawings and firstly to FIGS. 1 and 2, a s
REFERENCES:
patent: 1217406 (1917-02-01), Burkhardt
patent: 1236363 (1917-08-01), Riley
patent: 2881789 (1959-04-01), Finazzo
patent: 3695287 (1972-10-01), Reese et al.
patent: 3731703 (1973-05-01), Hubenthal
patent: 3855828 (1974-12-01), Verderber
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