Abstract: A device for blocking the turnability of the steering spindle 3 of a motor vehicle contains a movable interlocking element 14 that is situated in a lock chamber 12 and engages into the steering spindle 3 in its locked position, as well as an actuating device 9 for actuating the interlocking element 14. This device is characterized by the fact that the lock chamber 12 is passively secured against manipulative access by electric/electronic operating components K required for driving the motor vehicle. This is realized by arranging these operating components K in such a position relative to the lock chamber 12 that the function of at least one operating component K is terminated if manipulative access is attempted.

Abstract: An ignition lock system for a motor vehicle includes an electronic ignition key and an electronic ignition lock having a key receptacle. The electronic ignition key can be inserted into the key receptacle to exchange coded operating signals, the key receptacle, together with the inserted electronic ignition key, being movable out of an initial position into at least one operating position. A mechanical blocking device is provided in the key receptacle, which blocks the electronic ignition key against withdrawal from the key receptacle in the operating position. The mechanical blocking device cooperates with the electronic ignition key in such a way that the electronic ignition key and/or the key receptacle is irreversibly damaged when blocking actions of the mechanical blocking device are forcibly overcome.

Abstract: A lock is fitted with a locking element and a control element which is rotated by a drive to-and-fro in order to axially reciprocate the locking element through a coaxial drive element between a locked and an unlocked position. The drive element and the control element are also configured coaxially and cooperative by means of a cross-pin which is axially displaceable in a transverse borehole of the inner drive element and by means of two helical inner channels as well as an adjoining plane terminal surface of the outer control element which runs perpendicular to the axis of rotation of the control element and is bounded by a side ramp running from the bottom of one channel past the other channel on the outside thereof toward the drive element.

Abstract: A steering wheel lock utilizes a motor-driven spindle which drives a locking nut to control a detent disk which has pin-like projections engaged in camming tracks which guide the detent disk linearly and angularly. The detent disk in turn controls a locking pin which can engage the steering wheel shaft.

Abstract: The inventive device comprises a seat which is situated in the device housing and which is provided for the insertion of an identification provider. A holding element located inside the seat engages with a lateral indentation of the identification provider. The opening of the seat is normally closed by a spring-loaded cover element. In order to create a functionally reliable and economic design, the invention provides that the cover element is configured as a pivotal flap which can pivot from the identification provider out of an outwardly pivoted position covering the opening of the seat and into an inwardly pivoted position inside the seat. A projection is provided on the outer side of the flap and functions as a holding element for the identification provider. A recess is arranged next to the seat for the inward pivotal movement of the flap.

Abstract: The present invention provides a manner in which a lock bolt can be engaged and secured in locked and unlocked positions with respect to a steering column. In some preferred embodiments, a pawl is movable into and out of engagement with the lock bolt in two different locations on the lock bolt corresponding to two different positions of the lock bolt relative to the steering column: a position in which the lock bolt is extended to lock the steering column and a position in which the lock bolt is retracted to unlock the steering column. The pawl can be movable into and out of engagement with the lock bolt in a number of different manners, but preferably is pivotable about a pivot pin. Preferably, the pawl is connected to an actuator for actuating the pawl into and out of engagement with the lock bolt.

Abstract: In a steering lock device 10 according to the present invention is provided a movable member 32 that blocks an engagement groove 30 on a rotor 18 to prevent a lock lever 28 from re-engaging with the engagement groove 30 once engagement of the lock lever 28 with the engagement groove 30 is released with activation of a solenoid 26 and that terminates the prevention of the re-engagement when the rotor 18 is pulled forward.

Abstract: The invention provides a system comprising an antitheft mechanism (20) comprising a housing (22) in which a member (24, 26, 38) for manually controlling the starting of the vehicle engine and the locking of the steering can move axially (26, 38) between a pulled position in which it locks the steering and a pushed position in which it unlocks the steering, is mounted so that it can rotate (24, 26, 38) between an angular position of rest and an angular position of use, and is connected in terms of rotation to a cam (132) for controlling the latch bolt (36, 122), wherein the antitheft system comprises an electromagnet (30) for immobilizing the control member (24, 26, 38) in terms of rotation with respect to the housing (22, 28), the release of which is controlled when an encoded antitheft signal is supplied by the identification unit to an electronic circuit that controls the immobilizing member and a switch (32, 70) which triggers an interrogation and identification step, which is carried by the housing (22, 2

Abstract: A shift apparatus for shifting gears in a vehicle. The shift apparatus includes a shift selector rotated between a plurality of predetermined positions to instruct the shifting of gears in accordance with the position of the shift selector. A controller confirms whether the person operating the shift apparatus is the proper user and excites and de-excites a solenoid to lock and unlock the shift selector. An engine start actuator is arranged at substantially the same location as the shift selector to instruct the starting of the engine when pushed.

Abstract: The present invention provides a shift lever apparatus which shifts a shift lever connected to a transmission of a vehicle, and thereby, changes a shift range to a specific shift range from among a plurality of shift ranges preset in the transmission corresponding to the position to which the shift lever has been shifted, comprising: a key device which is provided at a side the shift lever and adjacent to the shift lever, and which holds an ignition key inserted therein so that the ignition key is rotatable, and restricts the removal of the ignition key at a rotation position other than a predetermined removal position; and a lock link which restricts the rotation of the ignition key to the removal position in the key device, and is displaced by a predetermined operation of the shift lever at a specific shift position corresponding to a specific shift range from among the plurality of shift ranges so as to release the restriction of the rotation of the ignition key.

Abstract: A remote key interlock system includes a locking device mounted on a steering column and a key actuated ignition switch located remote from the locking device, where a cable connects the locking device to the key actuated ignition switch. The locking device being engageable with a recess of a steering shaft housed within the steering column. The cable being either electrically insulated from one of the key actuated ignition switch and the locking device, or load bearing, or moveable.

Abstract: A switchlock assembly with snap-in cam for mounting in a panel from the front with the panel cutout being smaller than the cam radius. The switchlock assembly comprises a switch base, a shell, a plug operable by a key, the cam and a latch clip. The latch clip prevents the plug from being removed from the shell. The latch clip also secures the cam within the plug and prevents the cam from being removed, but does not prevent the cam from rotating when a key is inserted into the plug of the switchlock assembly and turned. Switch tumblers and tumbler splines enable a key to be pulled out in a designated position, but not to allow the key to be pulled out 180 degrees from the designated key pull position.

Abstract: When a shift lever is moved in the transverse direction of a vehicle to a “P” range, a driving lever which is pressed by the shift lever is moved to a released position and a slide member, which is connected to the driving lever via a wire connecting mechanism, is moved to a position at which a lock pin is separated from a lock cam. Further, when the shift lever is taken out of the “P” range, the driving lever is moved to a restricted position due to the urging force of a torsion spring, and the slide member is moved to a position at which the lock pin is engaged with the lock cam. In this way, mechanical operating force is directly supplied to a key interlock mechanism such that the structure of the key interlock mechanism is simplified.

Abstract: A device (1) for locking the steering spindle (2) of a steering gear of a vehicle, having a blocking pin (6) which is arranged in a housing (3) and can be displaced from a release position into a locking position and vice versa. In order to prevent manipulation of the device (1) by an unauthorized third party if the housing (3) of the device (1) has been forcibly opened and the blocking pin (6) is located in its locking position, a spring-actuated securing element (17; 17′) is arranged in a guide part (12; 12′) of the blocking pin (6), said securing element being fixed in its position by a closure element (20) which is fastened on the inside of the housing (3). If the housing (3) is opened by an unauthorized third party, then the closure element (20) is also removed together with the corresponding housing region and the securing element (17; 17′) is at least partially displaced into a recess (21) of the blocking pin (6) and secures the latter in its locking position.

Abstract: The present invention relates to a device (10) for starting and for locking/unlocking a motor vehicle, of the type comprising: a key (11) carrying at least one control for locking/unlocking the vehicle, a support (12) designed to accommodate the key in an appropriate housing (13) and to detect the presence of this key in the housing, and an element for starting/stopping the vehicle engine, the device being characterized in that the starting/stopping element is a bistable button (15) formed on the support (12), the said button (15) furthermore constituting a structure for immobilizing the key (11) in the housing (13) when the vehicle is in operation.

Abstract: A lock apparatus includes: a control unit carrying out transmission and reception of an electronic signal between the electronic key and the control unfit so as to perform ID verification; a rotating member disposed rotatably inside a casing; a lock actuator receiving a lock release signal from the control unit so as to release a lock on the rotating member to the casing; a key insertion hole disposed to the rotating member; a slider hole going through the rotating member; a slider inserted into the slider hole and disposed such that its inner end is protruded into the key insertion hole; and a check lever supported rotatably and in which one end thereof is an operating portion activating the transmission and reception of the control unit and the other end makes contact with the outer end face of the slider.

Abstract: An anti-theft device for motor vehicles for disengaging the steering wheel from the steering column when the ignition lock is in the locked position. The anti-theft device for motor vehicles includes a shaft. A first end of the shaft is adapted for securely attaching to a steering wheel. A boss is integrally coupled to a second end of the shaft. A well extends into the boss. A rod, having top and bottom ends, is mounted in the well. A biasing means biases the top end of the rod out of the well. A saddle member, integrally coupled to a free end of a steering column, is adapted for receiving the boss. The saddle member has a hole therethrough. The hole is generally located such that the top end of the rod may extend through the hole. A protruding member is mounted to a housing containing the boss and saddle member. The protruding member has a lumen therein. A pin is positioned in the lumen and has a first end and a second end. The first end is extendable into the hole in the saddle member.

Abstract: A lock apparatus of the invention capable of being locked/unlocked by an electronic key, comprises: an electronic key having a circuit chip generating an electronic signal, and an insertion portion provided at an end thereof and comprised of a pair of opposing flat portions and slope portions on both sides so as to be formed in a tapered flat shape; and a rotating member having an insertion hole opening at an end face thereof and in which the insertion portion of the electronic key is to be inserted, an opening portion of the key insertion hole having a rectangular sectional shape corresponding to a cross section of the insertion portion and being larger than an end of the insertion portion, and an interior of the key insertion hole being formed in a tapered flat shape corresponding to the tapered flat shape of the insertion portion and having a slant wall as a side face.

Abstract: During manual activation of an activation switch, authorization data are transmitted from a key to a lock. A steering lock unlocks the steering if the authorization data correspond to reference data. The ignition is then switched on and the steering lock is deenergzied as long as the ignition remains switched on. Consequently, the steering lock cannot be activated inadvertently during operation.

Abstract: The disclosure relates to a motor vehicle steering column anti-theft device of the type including a casing in which a lock is mounted rotationally between an angular locking position in which a legitimate key can be axially introduced (conventionally from the rear towards the front) or removed, and at least one angular utilization position, in which said key cannot be extracted from the lock, said lock including a rotary projecting part forming a cam that can cooperate with a control finger carried by a bolt to control the axial movements of said bolt which can slide in said casing in an axial direction between two positions: a retracted position in which it is retracted into said basing, and a forward anti-theft position towards which it is pushed elastically and in which it projects from said casing axially via a hole in said casing and prevents a part on the steering column from rotating when said lock is in said locking position with said key extracted, wherein said bolt carries a locking finger projectin

Abstract: A lock system for a vehicle, including an authentication module for receiving authentication code transmitted from a remote electronic key and for generating an authentication signal, and an ignition lock assembly having an ignition switch unit, a part movable between at least first and second positions to activate the ignition switch unit, an electronic lock module responsive to the authentication signal for generating a lock release signal, and a lock mechanism which inhibits use of the vehicle and in response to the lock release signal enables use of the vehicle.

Abstract: A device for electrically locking the steering shaft of a motor vehicle steering device, which comprises an electric motor with actuator connected downstream, for displacing a blocking element which is arranged so that it can be displaced from its unlocked position into its locked position, and a switching device fore activating the electric motor. To ensure that the arrangement can be of very compact design and can be fitted without major changes in vehicles produced by different manufacturers, the invention proposes that the arrangement be composed of two separate subassemblies: a locking device with a first housing, in which the electric motor with actuator connected downstream and the blocking element is arranged, and manufacturer-specific electronic switching device, which can be attached o the outside of the first housing.

Abstract: The invention provides a theft deterrent (10) comprising a body (14, 16) in which there is mounted, so that it can slide, a lock bolt (50) associated with an immobilizing finger (110) housed in an immobilizing housing belonging to the deployment member (34) of a rotary lock (18), and associated with a puller (78), one tab (88) of which can be retained by a hook-shaped (106) retaining rocker (92) to release the steering column shaft to allow the vehicle to be used, wherein the immobilizing finger (110) belongs to an immobilizing member (64, 110) carried by the lock bolt (78) with respect to which it is mounted to pivot, about a transverse axis (B) perpendicular to the axial direction of the sliding of the lock bolt, against a return spring (84) which constantly urges it angularly in the direction corresponding to the housing of the immobilizing finger (110) in the immobilizing housing.

Abstract: A steering column ignition lock for a motorcycle comprises a lock housing, a closing cylinder, which can be rotated in the lock housing, and closing pins which can be moved in the closing cylinder and can be activated with a key, so that the closing cylinder can be rotated optionally relative to the lock housing or is blocked against rotation. To enable a remote control of the steering column ignition lock, a sleeve is installed rotatably within the lock housing, and the closing cylinder is inserted rotatably within the sleeve. The closing pins can be made to engage with said sleeve so as to block rotation of the cylinder relative to the sleeve. A locking bolt that can be slid in the lock housing can be made to engage with a slotted opening of the sleeve, preventing its rotation relative to the lock housing. The locking bolt has an electromagnet, which can be activated with a remote controller to cause it to disengage with the slotted opening of the sleeve.

Abstract: An actuator 6 is separated from an operation section. The actuator 6 has a lock member 10 which locks or unlocks a steering shaft 7 and a lock control mechanism 15. The lock control mechanism 15 includes an actuation member which is provided so as to be movable back and forth in a predetermined direction; a second spring 14 which serves as a spring for unlocking purposes; and a lock stopper 13 provided in order to receive the spring force of the second spring 14. The actuation member 12 is actuated by a motor 16.

Abstract: The present invention simplifies assembly of a vehicle starting device and facilitates arrangement design. A vehicle starting device 3 has a card receiving portion 4 and a main mechanism 5 connected with each other integrally. The card receiving portion 4 includes an inclinable inner case 7 in which an integrated circuit (IC) card is inserted. The card receiving portion 4 also includes a roller 9 and a release mechanism 16 for releasing the IC card. The roller 9 is lifted by the insertion of the IC card. The release mechanism 16 releases the IC card from the card receiving portion 4. The main mechanism 5 has a knob 23 and a steering shaft lock 33. A card release prevention mechanism 24, an ejector lever 25 for actuating the release mechanism 16, and a cooperative unlocking mechanism 30 are provided between the main mechanism 5 and the card receiving portion 4.

Abstract: A key-operated ignition lock has a housing configured to protectively shield an electrical switch. An operating knob has a tubular body that extends through a first passage defined by the housing, and is rotable therein between a plurality of angular positions including on “off” position. The tubular body defines a second passage wherein elements including a key-receiving plug of a lock mechanism are journaled for rotation between “locked” and “unlocked” positions. Alignable bores formed 1) in the tubular body, 2) in a locking plate that surrounds the tubular body, 3) in the plug, and 4) in a barrel that surrounds the plug support an end-to-end arrangement of pins that permit a suitably configured key to be inserted into the plug only when the knob is in its “off” position, and to permit the knob to be rotated out of its “off” position only when the key is removed from the plug.

Abstract: The disclosure relates to an anti-theft device notably for a motor vehicle. The anti-theft device includes an electrical switch for the detection of key insertion into the anti-theft device. A pusher also included in the anti-theft device slides in both the proximal and distal directions parallel to a key insertion axis. The pusher activates the switch by using an elastic force that tends to move the pusher back against a stop, which holds the pusher in a retracted rest position when the key is withdrawn.

Abstract: An actuator portion 8 provided separately from an operating portion includes a lock member 13 for locking a steering shaft 9, a motor 18, and a lock control mechanism 34. The lock control mechanism 34 has a driven body 21 rotated by the motor 18 through a gear mechanism 43, a cam member 20 for moving the lock member 13, and an unlock spring member 27 constituted by a torsion coiled spring and disposed between the driven body 21 and the cam member 20. When the motor 18 is subjected to an unlocking operation in the condition that handle torque acts on the lock member 13, the spring force of the unlock spring member 27 is accumulated while the unlock spring member 27 absorbs the rotational displacement of the driven body 21.

Abstract: An apparatus and method for magnetically activating an output signal from a keyswitch. The rotation of a keyswitch rotates a magnetic device into a first position. A magnetic sensing device detects the magnetic field created by the magnetic device, and transmits a flag signal.

Abstract: An electronic key for actuating a lock, in particular for use in locking systems in automobiles, is described. The housing of the electronic key has the shape of a thin wedge, the narrow end of the wedge being designed for insertion into the lock. The parts active for the actuation of the lock are also accommodated here. Moreover, the housing has a receptacle for a key bit for a mechanical lock.

Abstract: An actuator 6 is separated from an operation section. The actuator 6 has a lock member 10 which locks or unlocks a steering shaft 7 and a lock control mechanism 15. The lock control mechanism 15 includes an actuation member which is provided so as to be movable back and forth in a predetermined direction; a second spring 14 which serves as a spring for unlocking purposes; and a lock stopper 13 provided in order to receive the spring force of the second spring 14. The actuation member 12 is actuated by a motor 16.

Abstract: An apparatus is provided for use in a vehicle having a rotatable steering shaft (32) and a locking mechanism (56) for preventing rotation of the steering shaft. The locking mechanism (56) is deactivated by an ignition key (58) in the vehicle's ignition. The apparatus comprises a vehicle steering wheel assembly (20) having a front side (68) facing a driver of the vehicle and a back side facing away from the driver, an inflatable vehicle occupant protection device (90) for helping to protect the driver of the vehicle in a vehicle collision, and a mechanism (60, 110) for removably connecting the inflatable vehicle occupant protection device (90) with the steering shaft (32). The mechanism (60, 110) for removably connecting the inflatable vehicle occupant protection device (90) requires rotation of the steering wheel assembly (20) to accomplish removal of the inflatable vehicle occupant protection device from the steering shaft (32).

Abstract: A securing arrangement for a steering wheel lock fastened on a steering column tube of a steering system of a motor vehicle is disclosed. The securing arrangement has a steering-column-fixed receiving device on which a lock housing is fastened, the receiving device and the lock housing having aligned bores which are penetrated by a securing bolt. The securing bolt is at least almost completely surrounded by the receiving device and/or the lock housing.

Abstract: The Baffler is a small and simple assembly of modified common use components hidden within the steering column enclosure. Said components are attached to the upper and lower sections of a cut automobile steering rod and controlled by a mechanical linkage powered by a bi-directional electric motor controlled by a contact on the ignition key core. Said bi-directional electric motor powers said components to interlock to provide normal steering control of the automobile or converesly to seperate said components to provide free turning of said steering wheel without any correcponding effect on the lower section of the steering assembly.

Abstract: A steering lock device including; a fixed housing, a cylinder body mounted to the housing, a rotor disposed in the cylinder body and made rotatable by an inserted key, a steering shaft having an engagement recess defined in a portion of a circumferential surface, a lock pin slidably supported in the housing and engageable at the top end with the engagement recess, and a look mechanism actuated in accordance with the rotation of the rotor to conduct engagement and release of engagement of the lock pin with and from the engagement recess, wherein the lock pin comprises an engagement pin section that slides being guided by a first slide hole in the housing and engageable at a top end with the engagement recess and a cam driven section that slides being guided by a second slide hole in the housing and actuated by an operation force of the lock mechanism by way of a cam, wherein the engagement pin section and the cam driven section are formed integrally by pressing into a plate-shaped member, and wherein burr esca

Abstract: A lock for an automobile ignition system includes a sleeve having a cylindrical inner surface. A lock cylinder is provided which is rotatably mounted within the sleeve and has a cylindrical outer surface defining a cylindrical interface with the inner surface of the sleeve. The cylinder includes a keyway adapted for receiving a key used to rotate the cylinder between an off and start position. A differential magnetic comparator having a pair of magnetically sensitive areas is mounted on the sleeve for detecting when the cylinder is rotated to the start position to generate an ignition signal. A magnet is mounted to the cylinder interface for generating a magnetic flux and for activating the comparator when the cylinder is rotated to the start position. A difference in the magnetic flux density present on the pair of magnetically sensitive areas causes the comparator to generate the ignition signal.

Abstract: The Frustrator Model E consists of a small unique claw-lever interacting with a toothed collar attached to the automobile steering rod to lock or unlock said steering rod, and activated by a simple arrangement of gears and levers powered by a bi-directional electric motor controlled by electric contacts on the ignition key core, all contained within the automobile steering column enclosure.

Abstract: In a shift lock mechanism of a column AT shift lever device, a select plate movable by operation of a select cable is pivotally connected to an end portion of a shaft that is turnable by a shift lever. A distal end of the select plate is engageable with a detent plate. A shift lock plate is provided on an outer surface of a retainer holding the shaft, in such a manner that the shift lock plate is slidable relative to the retainer. The shift lock plate cooperates with braking operation and key operation to restrict movement of the select plate, thereby performing a predetermined shift lock function.

Abstract: A vehicle lock device is disclosed to impede a person from using a wrong key. When a key rotor is forcibly turned by a wrong key, the key rotor with the aid of tumblers turns a sleeve. The sleeve then moves slide members backward through a cooperative cam action. The front ends of the slide members have cam faces that are designed to correspond to guide grooves of the sleeve and recess portions of a rotor case. The backward movement of the slide members disengages a rotation transmitting member from the key rotor so that the key rotor is in an idle state.

Abstract: A controller drives a key interlock solenoid to lock a key so that the key cannot be pulled out of a key cylinder when a shift lever is not at a parking position or while an identification code is being sent to a transponder mounted in the key. Thus, the key cannot be pulled out of the key cylinder during the writing of the identification code in the transponder.

Abstract: A steering lock device including a steering shaft having an engagement recess, a steering column pipe having an insertion hole, a housing mounted to the steering column pipe with a guide projection being inserted into the insertion hole, a cylinder body mounted in the housing, a key-operated rotor disposed in the cylinder body, a lock pin inserted slidably in the slide hole of the housing and engageable with the engagement recess, and a lock mechanism actuated in accordance with the rotation of the rotor for conducting engagement and disengagement of the lock pin in which the lock pin has a square cross sectional shape, wherein the following relations are satisfied:H.gtoreq.16 and 6.gtoreq.B.gtoreq.[13050/(D.multidot.H)].sup.1/2where H is the length for the first side, B is the length for the second side of the lock pin and D is the diameter for the steering shaft, or the relations:f(D.sub.C)=0.0031D.sub.c.sup.2 -0.1375D.sub.c +7.2f(D.sub.C)-0.5.ltoreq.b.ltoreq.f(D.sub.C)+0.

Abstract: A method of manufacturing a load-transmitting part having at least two lateral engaging surfaces includes stamping a plurality of thin laminas from generally planar stock material. The laminas are stacked together such that the laterally-disposed surfaces of adjacent laminas cooperate to define the lateral engaging surfaces of the part. The laminas are permanently secured together to prevent relative laminar movement when a load is transmitted from one of the lateral engaging surfaces to another of the lateral engaging surfaces.

Abstract: A locking bar may engage with an ignition switch which is switched to a START position and a LOCK position by a pushing operation, and may unlock a steering shaft when the ignition switch is at the START position and lock the steering shaft when the ignition switch is at the LOCK position. An ID code decision portion may decide whether or not an input identification number coincides with a registered identification number. A first actuator may unlock the ignition switch when the input identification number coincides with the registered identification number, and may lock the ignition switch when the input identification number does not coincide with the registered identification number. Accordingly, lock of the steering shaft due to failure or malfunction during running can be prevented.

Abstract: A steering-wheel lock mechanism is provided at a position in which a driver can easily operate the lock mechanism in a cable-type steering device, and prevents a large load from being applied to Bowden wires. Bowden wires, wound around and fixed to a driving pulley mounted in a rotary shaft of a steering wheel, are connected to a steering gear box. A cylinder lock operated by an ignition key is mounted on a driving-pulley housing having the driving pulley accommodated therein. By bringing a lock pin protruding from the cylinder lock, operated to a lock position, into engagement into a lock bore in the driving pulley, the rotation of the driving pulley is inhibited to lock the steering wheel.

Abstract: A theft detection mechanism is provided with a top ring which is depressed when a foreign object other than a key is inserted into a key inserting hole. A sensor is provided for detecting that the top ring is depressed. A top ring is inevitably pushed down when a foreign object other than a key is inserted into a key inserting hole to activate the sensor, thereby reliably detecting a stealing action. Moreover, the structure of a theft detection mechanism is made simple to reduce the cost thereof.

Abstract: The Frustrator--Model C is a small and simple electric powered assembly of common-use components hidden within the automobile steering column enclosure. It inhibits car thefts by anyone not having the ignition key because normal use of the ignition key controls the flow of electric power which either locks the steering rod through braking action, making the automobile impossible to steer when the ignition key is turned to the `off` position or releases the braking action for normal steering action when the ignition key is turned to the `on` position.

Abstract: An automotive vehicle steering column lock assembly is disclosed for use with a steering wheel connected to a steering column passing through a steering column housing to which an ignition switch is mounted. The assembly has a lock ring adapted to be mounted to the steering column and having at least one lock recess on an end thereof and a lock pawl movable between a lock position engaged in the lock recess and an unlock position disengaged from the at least one lock recess. A tray is adapted for slidable movement within the steering column housing generally parallel to the steering column, the tray having a lock pawl bed allowing the lock pawl to slide therein generally parallel to the steering column. Tray control means operatively connecting the ignition switch and the tray move the tray between at least two positions in which the lock pawl alternately engages and disengages the lock ring to prevent and allow, respectively, rotation of the steering column.

Abstract: A locking device is disclosed for locking a steering column of a vehicle against rotation, relative to a fixed structure of the vehicle, the steering column including a steering shaft. The device includes a locking bar attached to the fixed structure of the vehicle, the locking bar being free to reciprocate between locked and unlocked positions adjacent to the steering shaft; and a member projecting transversely from the steering shaft for engaging with the locking bar to limit rotation of the steering shaft when the locking bar is in the locked position.

Abstract: An ignition interlock with PRNDL powering switch has a mechanism for locking a lock slider in position for prohibiting movement of a gear selector. The mechanism includes a plate for locking the slider in position and a cable for connecting with the gear selector. A sensor is associated with the mechanism and a PRNDL indicator. The sensor senses the position of the lock slider such that upon activation of the sensor, power is applied to the PRNDL indicator, causing a display within the PRNDL indicator to illuminate.