Vehicle safety lock
First Claim
1. An anti-theft device for a vehicle having a safety belt incorporating a buckle having cooperating fixed and movable parts, comprising:
- (a) a cylinder lock operated by a key and movable between a "parked" position to another position for control of the vehicle engine,(b) a bolt controlled by said cylinder lock for locking an element essential to the driving of the vehicle,(c) a plate attached to said cylinder lock for rotation therewith, and having an aperture therein,(d) a plunger capable of entering said aperture only when said cylinder lock is in the "parked" position where the aperture is opposite to said plunger to effect locking of said plate and hence said cylinder,(e) spring means for urging said plunger in a direction to effect entry thereof into said aperture,(f) actuating means controlled by the buckle of said safety belt for effecting withdrawal of said plunger from said aperture to a retracted position when said safety belt is fastened within said buckle,(g) a security blade controlled by said bolt, and(h) further spring means to thrust said blade towards the said plunger, which comprises a notch which, in the retracted position, is opposite to said blade.
1 Assignment
0 Petitions
Accused Products
Abstract
The invention relates to security devices with which automobile vehicles are equipped, and more especially to a controlling connection between the anti-theft device locking an element essential to the driving of the vehicle (such as the steering column) and the safety belt the wearing of which is obligatory for the driver in most cases.
In order to ensure his safety and respect regulations it is desirable that the driver should not be able to start his vehicle until he has fastened his belt.
An anti-theft device according to the present invention comprising a cylinder lock operated by a key, a bolt controlled by said cylinder lock for locking an element essential to the driving of the vehicle, and a device for locking the lock cylinder in rotation, the device being arranged to be unlocked by the fastening of the buckle of the vehicle safety belt.
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Citations
4 Claims
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1. An anti-theft device for a vehicle having a safety belt incorporating a buckle having cooperating fixed and movable parts, comprising:
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(a) a cylinder lock operated by a key and movable between a "parked" position to another position for control of the vehicle engine, (b) a bolt controlled by said cylinder lock for locking an element essential to the driving of the vehicle, (c) a plate attached to said cylinder lock for rotation therewith, and having an aperture therein, (d) a plunger capable of entering said aperture only when said cylinder lock is in the "parked" position where the aperture is opposite to said plunger to effect locking of said plate and hence said cylinder, (e) spring means for urging said plunger in a direction to effect entry thereof into said aperture, (f) actuating means controlled by the buckle of said safety belt for effecting withdrawal of said plunger from said aperture to a retracted position when said safety belt is fastened within said buckle, (g) a security blade controlled by said bolt, and (h) further spring means to thrust said blade towards the said plunger, which comprises a notch which, in the retracted position, is opposite to said blade. - View Dependent Claims (2, 3, 4)
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Specification