FR2432622A1 - IC engine ignition circuit contact breaker arm - has injection moulded pivot bush and cam follower with injection channel compensating for thermal deformation of arm - Google Patents

IC engine ignition circuit contact breaker arm - has injection moulded pivot bush and cam follower with injection channel compensating for thermal deformation of arm

Info

Publication number
FR2432622A1
FR2432622A1 FR7822661A FR7822661A FR2432622A1 FR 2432622 A1 FR2432622 A1 FR 2432622A1 FR 7822661 A FR7822661 A FR 7822661A FR 7822661 A FR7822661 A FR 7822661A FR 2432622 A1 FR2432622 A1 FR 2432622A1
Authority
FR
France
Prior art keywords
arm
cam follower
bush
engine ignition
injection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
FR7822661A
Other languages
French (fr)
Inventor
E Parra
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ducellier et Cie
Original Assignee
Ducellier et Cie
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ducellier et Cie filed Critical Ducellier et Cie
Priority to FR7822661A priority Critical patent/FR2432622A1/en
Publication of FR2432622A1 publication Critical patent/FR2432622A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P7/00—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices
    • F02P7/06—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of circuit-makers or -breakers, or pick-up devices adapted to sense particular points of the timing cycle
    • F02P7/063—Mechanical pick-up devices, circuit-makers or -breakers, e.g. contact-breakers
    • F02P7/0634—Details of cams or cam-followers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

The contact breaker arm is for engine ignition circuits. The pivot bush (5) and the cam follower (7) are injection moulded from a single point (10) using a minimal amt. of material. The material is passed to the bush and the follower via a curved channel (13) set along one side of the arm (2) and spaced slightly away from it. The design is such as to absorb any deformation caused by heating and subsequent alteration of the relative position of the bush and follower. The arm cross-section is a shallow 'U' shape, the base of the 'U' being parallel to the bush axis. The cam follower is pressed out from a supporting shoulder (5).
FR7822661A 1978-08-01 1978-08-01 IC engine ignition circuit contact breaker arm - has injection moulded pivot bush and cam follower with injection channel compensating for thermal deformation of arm Withdrawn FR2432622A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7822661A FR2432622A1 (en) 1978-08-01 1978-08-01 IC engine ignition circuit contact breaker arm - has injection moulded pivot bush and cam follower with injection channel compensating for thermal deformation of arm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7822661A FR2432622A1 (en) 1978-08-01 1978-08-01 IC engine ignition circuit contact breaker arm - has injection moulded pivot bush and cam follower with injection channel compensating for thermal deformation of arm

Publications (1)

Publication Number Publication Date
FR2432622A1 true FR2432622A1 (en) 1980-02-29

Family

ID=9211427

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7822661A Withdrawn FR2432622A1 (en) 1978-08-01 1978-08-01 IC engine ignition circuit contact breaker arm - has injection moulded pivot bush and cam follower with injection channel compensating for thermal deformation of arm

Country Status (1)

Country Link
FR (1) FR2432622A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2361734B (en) * 2000-04-05 2002-06-26 Mark Wilkinson Furniture Ltd Board assembly

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003043A (en) * 1958-06-13 1961-10-03 Electric Auto Lite Co Contacts assembly
US3037096A (en) * 1958-10-24 1962-05-29 Gen Motors Corp Distributor breaker lever
US3558838A (en) * 1968-03-29 1971-01-26 Lucas Industries Ltd Contact breaker assemblies
US3588414A (en) * 1968-08-09 1971-06-28 Lucas Industries Ltd Contact breaker assemblies
US3629527A (en) * 1968-11-22 1971-12-21 Lucas Industries Ltd Contact breaker assemblies with improved contact breaker arm retaining means
FR2104409A5 (en) * 1970-08-19 1972-04-14 Lucas Industries Ltd
FR2171618A5 (en) * 1972-02-09 1973-09-21 Ducellier & Cie
US3766340A (en) * 1971-06-16 1973-10-16 B Richards Electrical contact breaker apparatus for spark ignition internal combustion engines
FR2266809A1 (en) * 1974-04-08 1975-10-31 Magneti Marelli Spa

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003043A (en) * 1958-06-13 1961-10-03 Electric Auto Lite Co Contacts assembly
US3037096A (en) * 1958-10-24 1962-05-29 Gen Motors Corp Distributor breaker lever
US3558838A (en) * 1968-03-29 1971-01-26 Lucas Industries Ltd Contact breaker assemblies
US3588414A (en) * 1968-08-09 1971-06-28 Lucas Industries Ltd Contact breaker assemblies
US3629527A (en) * 1968-11-22 1971-12-21 Lucas Industries Ltd Contact breaker assemblies with improved contact breaker arm retaining means
FR2104409A5 (en) * 1970-08-19 1972-04-14 Lucas Industries Ltd
US3766340A (en) * 1971-06-16 1973-10-16 B Richards Electrical contact breaker apparatus for spark ignition internal combustion engines
FR2171618A5 (en) * 1972-02-09 1973-09-21 Ducellier & Cie
FR2266809A1 (en) * 1974-04-08 1975-10-31 Magneti Marelli Spa

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2361734B (en) * 2000-04-05 2002-06-26 Mark Wilkinson Furniture Ltd Board assembly

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Legal Events

Date Code Title Description
ST Notification of lapse