Electricity: circuit makers and breakers – Periodic – Contact breaker detail
Patent
1978-08-29
1980-01-08
Scott, James R.
Electricity: circuit makers and breakers
Periodic
Contact breaker detail
200 19DC, 200 19DR, 1231465A, 123148DS, H01H 1900, F02P 702
Patent
active
041829409
ABSTRACT:
A distributor for use in internal combustion engines requiring sequential application of high voltage to pairs of spark plugs in each cylinder by a separate high voltage supply circuit. The distributor comprising a base portion and a cap portion formed of like insulative material. The base and cap portions of the distributor contain separate sets of switching contacts connected to associated external terminals and separate rotor conductors on a common rotor element. Half the externally mounted terminals in each portion extend in a direction diametrically opposite to the other half so as to eliminate external spark plug wire crossover at the distributor and are electrically connected to the contacts by means of wires internally molded into the insulation of the portions. An installation alignment feature includes a series of apertures in the rotor and the base, whereby a pin inserted therein aligns the rotor conductors to be in accurate registration with a predetermined pair of switching contacts. A unique hexagonal drive shaft provides for an allowable degree of error in mounting the distributor with respect to an axial drive socket on the engine.
REFERENCES:
patent: 2756268 (1956-07-01), Knudson
patent: 3339535 (1967-09-01), Mc Clure
patent: 3504141 (1970-03-01), Webster
patent: 3646922 (1972-03-01), Spalding
patent: 3894202 (1975-07-01), Campbell et al.
patent: 3933138 (1976-01-01), Stellwagen
patent: 4023546 (1977-05-01), Kawa Kami
patent: 4064858 (1977-12-01), Forde
Fedison, Jr. Walter W.
Michie Donald R.
Scussel August J.
Ford Motor Company
Godwin Jr. Paul K.
Sadler Clifford L.
Scott James R.
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