US3575579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved cam follower roller structure for distributor contact breaker arm
Assignee: Individual
•
Filing: 1969-12-10
•
Granted: 1971-04-20
•
Expires: 1989-12-10
Abstract
Abstract Ignition point means having a conventional multilobe cam. The cam follower comprises a plurality of independently rotatable discs of plastic such as nylon, so that the effects of nicks and wear on the cam follower are substantially eliminated.
Inventors
- 👤 Patrick J Mcgannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:03
CPC Classifications
H; H01; H01R; H01R39/00; H01R39/60; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2107
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
72 words
In a set of ignition points for internal combustion motors having a spring-loaded breaker arm secured at one end, having a contact point at its free end and having electrical insulator means intermediate these ends to engage the camshaft of said motor, an axle mounted on said arm, said insulator means comprising a plurality of rotatable plastic wheels rotatably mounted independently of each other on said axle adapted to engage said cam.
Claim 2
Dependent Claim
72 words
In a set of ignition points for internal combustion motors having a spring-loaded breaker arm secured at one end, having a contact point at its free end and having electrical insulator means intermediate these ends to engage the camshaft of said motor, an axle mounted on said arm, said insulator means comprising a plurality of rotatable plastic wheels rotatably mounted independently of each other on said axle adapted to engage said cam.
Claim 3
Dependent Claim
12 words
Apparatus as in claim 1 wherein said discs are removable and replaceable.
References Cited (Backward Citations)
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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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |