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US3581259A Expired / Lapsed US ⏱️ 0.0 years remaining

Quickly removable ignition coil installation for automobile theft prevention

Assignee: Individual
•
Filing: 1969-11-19
•
Granted: 1971-05-25
•
Expires: 1989-11-19
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Abstract

Abstract An ignition coil receptacle adapted to be mounted near an automobile engine has a removable cover containing first, second and third low-tension terminals and a single high-tension terminal detachable engageable respectively with first, second and third correspondingly located low-tension electrodes and a single high-tension electrode mounted in the end cap of an automobile ignition induction coil removably mounted in the receptacle. One end of the primary winding of the coil is connected as usual to one end of the secondary winding thereof and their common junction is connected to the first low-tension electrode which in turn is connected directly to the second lowtension electrode. The opposite end of the primary winding is connected to the third low-tension electrode whereas the opposite end of the secondary winding is connected to the single hightension electrode. The first, second and third low-tension cover terminals are connected to first, second and third low-tension cables and the single high-tension cover terminal to a hightension cable, all of these cables being contained within a flexible tubular casing. The first low-tension cable leads to a conventional timer, the opposite pole of which is grounded. The interconnected second low-tension cable is connected to one side of the conventional coil condenser, the opposite side of which is grounded to the engine. The third low-tension cable leads to one terminal of a conventional storage battery, the opposite terminal of which is grounded to the automobile frame. The single hightension cable is connected to the rotor of the conventional distributor, the fixed poles of which are connected to the central electrode of the spark plug whose casings are grounded to the engine. Upon leaving the automobile, the driver pulls outward upon the receptacle cover, thereby withdrawing the coil and cover as a unit from the receptacle. He then pulls the cover terminals and coil electrodes apart from one another to separate them, replaces the cover upon the receptacle, and carries the ignition coil away with him, thereby preventing theft of the automobile.

Inventors

  • 👤 Ernest Brunside

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 00:14
CPC Classifications
B; B60; B60R; B60R25/00; B60R25/01; B60R25/04; B60R25/045

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 172 words
A quickly removable ignition coil installation for automobile theft prevention, comprising an ignition coil receptacle having a compartment therein and an access opening at the top thereof, a receptacle cover detachably engaging the top of said receptacle, an ignition induction coil removably mounted in said receptacle and having a casing with an end cap thereon and containing conventional low-tension and high-tension primary and secondary windings respectively, and a plurality of separable electrical connectors disposed between said cover and said cap in interconnecting relationship therewith, each of said connectors including a pair of separable interengaging components with one component of each pair mounted on said cover and the other component thereof mounted on said cap, the cover-mounted components and the corresponding cap mounted components being disposed in correspondingly located positions on said cover and cap respectively, the windings of said ignition coil being electrically connected to said cap-mounted components, said cover-mounted components comprising terminals adapted to be permanently connected to the conventional low-tension and high-tension circuits of the ignition system of the automobile.
Claim 2
Dependent Claim 172 words
A quickly removable ignition coil installation for automobile theft prevention, comprising an ignition coil receptacle having a compartment therein and an access opening at the top thereof, a receptacle cover detachably engaging the top of said receptacle, an ignition induction coil removably mounted in said receptacle and having a casing with an end cap thereon and containing conventional low-tension and high-tension primary and secondary windings respectively, and a plurality of separable electrical connectors disposed between said cover and said cap in interconnecting relationship therewith, each of said connectors including a pair of separable interengaging components with one component of each pair mounted on said cover and the other component thereof mounted on said cap, the cover-mounted components and the corresponding cap mounted components being disposed in correspondingly located positions on said cover and cap respectively, the windings of said ignition coil being electrically connected to said cap-mounted components, said cover-mounted components comprising terminals adapted to be permanently connected to the conventional low-tension and high-tension circuits of the ignition system of the automobile.
Claim 3
Dependent Claim 38 words
A quickly removaBle ignition coil installation, according to claim 1, wherein one component of each pair thereof has a plug portion thereon and the other component of each pair has a socket portion removably receiving said plug portion.
Claim 4
Dependent Claim 26 words
A quickly removable ignition coil installation, according to claim 1, wherein said connectors are disposed in irregular but corresponding positions on said cover and cap respectively.
Claim 5
Dependent Claim 29 words
A quckly removable ignition coil installation, according to claim 1, wherein an expansible resilient element is disposed in said receptacle in upwardly urging engagement with said ignition induction coil.
Claim 6
Dependent Claim 36 words
A quickly removable ignition coil installation, according to claim 1, wherein one of said connectors is disposed centrally between said cap and cover and the other connectors are spaced outwardly away from said centrally disposed connector.
Claim 7
Dependent Claim 21 words
A quickly removable ignition coil installation, according to claim 5, wherein the high-tension winding is connected to said centrally disposed connector.
Claim 8
Dependent Claim 21 words
A quickly removable ignition coil installation, according to claim 6, wherein the low-tension winding is connected to said outwardly spaced connectors.
Claim 9
Dependent Claim 25 words
A quickly removable ignition coil installation, according to claim 5, wherein said other connectors are disposed near the margins of said cap and cover respectively.

References Cited (Backward Citations)

US2100721A Cited
US2178687A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-05-24 1974-11-23 1975-05-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-05-24 1978-11-23 1979-05-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-05-24 1982-11-23 1983-05-25 $7700.00 Window Closed / Lapsed

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