US3708032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accidental lock preventing device
Assignee: Tokai Rika Co Ltd
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Filing: 1970-11-19
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Granted: 1973-01-02
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Expires: 1990-11-19
Abstract
Abstract A device is provided for preventing accidental locking of the steering shaft of a motor vehicle of the type having an ignition lock, operable by rotation of an ignition key. A locking bolt, which is engageable with the steering shaft only upon the rotation of the ignition lock to ignition-off position, and withdrawal of the key from the ignition lock, is prevented from engaging the steering shaft during the running of the vehicle by means which is electrically actuated and which will permit withdrawal of the key from the ignition lock only upon the halting of the vehicle.
Inventors
- 👤 M Suzuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:33
CPC Classifications
B; B60; B60R; B60R25/00; B60R25/01; B60R25/02; B60R25/021; B60R25/02142; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5889; Y10T70/5956; Y10T70/70; Y10T70/7441; Y10T70/7768
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
181 words
A device for preventing accidental operation of theft preventative apparatus in a motor vehicle of the type having a lock, a key removably insertable into a rotor in said lock, contact means for setting an electric circuit of the vehicle selectively in various positions, such as stop, drive and start positions in response to the rotation of said key and rotor into respective corresponding positions, and a locking bolt operable to engage a lockable part of the vehicle only upon the rotation of said key to its stop position and the withdrawal of said key from the rotor, which comprises releasable lock preventing means, means normally urging said lock preventing means during running of said vehicle into engagement with the key for preventing withdrawal of said key from the rotor when said rotor is in stop position, and means operable, when the vehicle halts, to release said lock preventing means from its engagement with the key, said release means being electrically actuated in response to the halting of a part of the vehicle which moves when the vehicle is in motion.
Claim 2
Independent Claim
181 words
A device for preventing accidental operation of theft preventative apparatus in a motor vehicle of the type having a lock, a key removably insertable into a rotor in said lock, contact means for setting an electric circuit of the vehicle selectively in various positions, such as stop, drive and start positions in response to the rotation of said key and rotor into respective corresponding positions, and a locking bolt operable to engage a lockable part of the vehicle only upon the rotation of said key to its stop position and the withdrawal of said key from the rotor, which comprises releasable lock preventing means, means normally urging said lock preventing means during running of said vehicle into engagement with the key for preventing withdrawal of said key from the rotor when said rotor is in stop position, and means operable, when the vehicle halts, to release said lock preventing means from its engagement with the key, said release means being electrically actuated in response to the halting of a part of the vehicle which moves when the vehicle is in motion.
Claim 3
Dependent Claim
52 words
A device as claimed in claim 1, including switch means operative in response to the withdrawal of the key from said rotor to deactuate said release means to allow return of said lock preventing means to its normal position where it is engageable with the key upon reinsertion thereof into the rotor.
Claim 4
Dependent Claim
52 words
A device as claimed in claim 1, including switch means operative in response to the departure of a driver from the vehicle to deactuate said release means to allow return of said lock preventing means to its normal position where it is engageable with the key upon reinsertion thereof into the rotor.
Claim 5
Independent Claim
190 words
A device for preventing accidental operation of theft preventive apparatus in a motor vehicle of the type having contact means for setting the electric ignition circuit of the vehicle in various positions such as stop, drive or start positions upon the rotation into corresponding positions of the rotor of a lock, which forms part of the above-mentioned apparatus, by a key removably inserted into the rotor, and means for controlling a locking bolt that is engaGeable with a lockable part of the vehicle only upon the rotation of said key to the stop position and the withdrawal of the key from the rotor, which comprises means normally releasably engaging said controlling means during running of the vehicle to prevent the locking bolt from engaging said lockable part of the vehicle, and means operable, when the vehicle halts, to release said bolt from engagement with said controlling means for allowing the bolt to engage said lockable part when said key is withdrawn, said release means being connected to be electrically actuated automatically in response to the halting of a part of the vehicle which moves when the vehicle is in motion.
Claim 6
Independent Claim
190 words
A device for preventing accidental operation of theft preventive apparatus in a motor vehicle of the type having contact means for setting the electric ignition circuit of the vehicle in various positions such as stop, drive or start positions upon the rotation into corresponding positions of the rotor of a lock, which forms part of the above-mentioned apparatus, by a key removably inserted into the rotor, and means for controlling a locking bolt that is engaGeable with a lockable part of the vehicle only upon the rotation of said key to the stop position and the withdrawal of the key from the rotor, which comprises means normally releasably engaging said controlling means during running of the vehicle to prevent the locking bolt from engaging said lockable part of the vehicle, and means operable, when the vehicle halts, to release said bolt from engagement with said controlling means for allowing the bolt to engage said lockable part when said key is withdrawn, said release means being connected to be electrically actuated automatically in response to the halting of a part of the vehicle which moves when the vehicle is in motion.
Claim 7
Dependent Claim
18 words
A device as claimed in claim 4, in which said locking bolt normally directly engages said controlling means.
Claim 8
Dependent Claim
32 words
A device as claimed in claim 4, in which said locking bolt normally is not in direct engagement with said controlling means but is connected thereto through at least one intervening part.
Claim 9
Dependent Claim
57 words
A device as claimed in claim 4, which comprises a switch means operative in response to the withdrawal of the key from the rotor to deactuate said release means to allow return of said lock preventing means to its normal position where it is engageable with said controlling means upon reinsertion of said key in said rotor.
Claim 10
Dependent Claim
55 words
A device as claimed in claim 4, including switch means operative in response to the departure of a driver from the vehicle to deactuate said release means to allow return of said lock preventing means to its normal position where it is engageable with said controlling means upon reinsertion of said key in said rotor.
Claim 11
Independent Claim
171 words
A device for preventing accidental operation of theft preventive apparatus in a motor vehicle of the type having contact means for setting an electric ignition circuit of the vehicle selectively in various positions such as stop, drive or start positions upon the rotation into similar positions of a key removably inserted into the rotor of a lock forming part of the above-mentioned apparatus, and means for controlling a locking bolt that is engageable with a lockable part of the vehicle upon rotation of said key to said stop position, which comprises lock preventing means normally urged releasably to engage directly with said locking bolt for holding said bolt in its inoperative position, and means operable to release said lock preventing means from engagement with the bolt so as to allow the bolt to project from its inoperative to its operative position towards said lockable part, said release means being electrically actuated automatically in response to the halting of a part of the vehicle which moves when the vehicle is in motion.
Claim 12
Independent Claim
171 words
A device for preventing accidental operation of theft preventive apparatus in a motor vehicle of the type having contact means for setting an electric ignition circuit of the vehicle selectively in various positions such as stop, drive or start positions upon the rotation into similar positions of a key removably inserted into the rotor of a lock forming part of the above-mentioned apparatus, and means for controlling a locking bolt that is engageable with a lockable part of the vehicle upon rotation of said key to said stop position, which comprises lock preventing means normally urged releasably to engage directly with said locking bolt for holding said bolt in its inoperative position, and means operable to release said lock preventing means from engagement with the bolt so as to allow the bolt to project from its inoperative to its operative position towards said lockable part, said release means being electrically actuated automatically in response to the halting of a part of the vehicle which moves when the vehicle is in motion.
Claim 13
Dependent Claim
46 words
A device as claimed in claim 9, which comprises switch means operative in response to the withdrawal of the key from the rotor to deactuate said release means to allow return of said lock preventing means to its normal position where it contacts said locking bolt.
Claim 14
Dependent Claim
48 words
A device as claimed in claim 9, which comprises switch means operative in response to the departure of a driver from the vehicle to deactuate said release means to allow return of said lock preventing means to its normal inoperative position where it contacts with the locking bolt.
References Cited (Backward Citations)
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US3119458A
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US3303836A
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US3426560A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |