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US3686449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical switches and turn signal switching systems utilizing the same
Assignee: Individual
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Filing: 1969-11-10
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Granted: 1972-08-22
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Expires: 1989-11-10
Abstract
Abstract The electrical switch comprises a rotatable carriage having two contractors for engaging a series of contact points. Each contactor comprises a sector-shaped portion for engaging the contact points, and a point portion spaced inwardly from the sector-shaped portion. In the case of one contactor, the point portion is engageable with a contact sector on the insulating board which carries the contact points. In the case of the other contactor, the point portion rides along the insulating board. The switch may be employed in a turn signal switching system comprising left and right-hand signal lamps. A first battery feed wire is connected to the stationary contact sector through a flasher. The contactors are movable to four positions, comprising an off position, a flash left position, a flash all position and a flash right position. The first contactor establishes the connections between the contact sector and the contact points for flashing the left signal lamps, all signal lamps, and the right signal lamps. A second battery feed wire is connected to a pair of contact points through a dimming resistor. These contact points are engageable by the second contactor, which establishes connections for lighting the right lamp dimly when the left lamp is flashing, while lighting the left lamp dimly when the right lamp is flashing. Other modified switches and turn signal switching systems are also disclosed.
Inventors
- 👤 Charles E Black
- 👤 William J Schaad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:16
CPC Classifications
H; H01; H01H; H01H19/00; H01H19/54; H01H19/56; H01H19/58
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
245 words
An electrical switch comprising a casing, a carriage rotatably mounted in said casing for movement through a limited range to a plurality of positions, means for rotating said carriage about a predetermined axis, an insulating board mounted on said casing behind said carriage, a plurality of contact points projecting forwardly from said insulating board and spaced at angular intervals around a first circular pattern, all of said contact points being at the same radial distance from said axis, a plurality of identical contactors mounted on said carriage at angularly spaced positions and at the same radial distance from said axis, spring means biasing said contactors toward said insulating board, each of said contactors comprising a sector-shaped portion engageable with some of said contact points, the width of each sector-shaped portion being such as to span two adjacent contact points, each of said contactors comprising a contactor point portion spaced from said sector-shaped portion and projecting rearwardly from said contactor for movement along said insulating board around a second circular pattern concentric with said first circular pattern, and a contact sector mounted on said insulating board and engageable by said point portion of one of said contactors, said last-mentioned point portion being movable out of engagement with said contact sector in one position of said carriage, said contact sector being of limited angular extent whereby the point portion of the other contactor is engageable with said insulating board throughout the range of movement of said carriage.
Claim 2
Dependent Claim
245 words
An electrical switch comprising a casing, a carriage rotatably mounted in said casing for movement through a limited range to a plurality of positions, means for rotating said carriage about a predetermined axis, an insulating board mounted on said casing behind said carriage, a plurality of contact points projecting forwardly from said insulating board and spaced at angular intervals around a first circular pattern, all of said contact points being at the same radial distance from said axis, a plurality of identical contactors mounted on said carriage at angularly spaced positions and at the same radial distance from said axis, spring means biasing said contactors toward said insulating board, each of said contactors comprising a sector-shaped portion engageable with some of said contact points, the width of each sector-shaped portion being such as to span two adjacent contact points, each of said contactors comprising a contactor point portion spaced from said sector-shaped portion and projecting rearwardly from said contactor for movement along said insulating board around a second circular pattern concentric with said first circular pattern, and a contact sector mounted on said insulating board and engageable by said point portion of one of said contactors, said last-mentioned point portion being movable out of engagement with said contact sector in one position of said carriage, said contact sector being of limited angular extent whereby the point portion of the other contactor is engageable with said insulating board throughout the range of movement of said carriage.
Claim 3
Dependent Claim
265 words
An electrical switch comprising a casing, a carriage rotatably mounted in said casing for movement through a limited range to a plurality of positions, means for rotating said carriage about a predetermined axis, an insulating board mounted on said casing behind said carriage, a plurality of contact points projecting forwardly from said insulating board and spaced at angular interVals around a first circular pattern, all of said contact points being at the same radial distance from said axis, a plurality of identical contactors mounted on said carriage at angularly spaced positions and at the same radial distance from said axis, spring means biasing said contactors toward said insulating board, each of said contactors comprising a sector-shaped portion engageable with some of said contact points, the width of each sector-shaped portion being such as to span two adjacent contact points, each of said contactors comprising a contactor point portion spaced from said sector-shaped portion and projecting rearwardly from said contactor for movement along said insulating board around a second circular pattern concentric with said first circular pattern, and a contact sector mounted on said insulating board and engageable by said point portion of one of said contactors, said last-mentioned point portion being movable out of engagement with said contact sector in one position of said carriage, said contact sector being of limited angular extent whereby the point portion of the other contactor is engageable with said insulating board throughout the range of movement of said carriage, at least one of said contact points being engageable by both of said contactors in different positions of said carriage.
Claim 4
Dependent Claim
265 words
An electrical switch comprising a casing, a carriage rotatably mounted in said casing for movement through a limited range to a plurality of positions, means for rotating said carriage about a predetermined axis, an insulating board mounted on said casing behind said carriage, a plurality of contact points projecting forwardly from said insulating board and spaced at angular interVals around a first circular pattern, all of said contact points being at the same radial distance from said axis, a plurality of identical contactors mounted on said carriage at angularly spaced positions and at the same radial distance from said axis, spring means biasing said contactors toward said insulating board, each of said contactors comprising a sector-shaped portion engageable with some of said contact points, the width of each sector-shaped portion being such as to span two adjacent contact points, each of said contactors comprising a contactor point portion spaced from said sector-shaped portion and projecting rearwardly from said contactor for movement along said insulating board around a second circular pattern concentric with said first circular pattern, and a contact sector mounted on said insulating board and engageable by said point portion of one of said contactors, said last-mentioned point portion being movable out of engagement with said contact sector in one position of said carriage, said contact sector being of limited angular extent whereby the point portion of the other contactor is engageable with said insulating board throughout the range of movement of said carriage, at least one of said contact points being engageable by both of said contactors in different positions of said carriage.
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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) | 1975-08-22 | 1976-02-21 | 1976-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-22 | 1980-02-21 | 1980-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-22 | 1984-02-21 | 1984-08-22 | $7700.00 | Window Closed / Lapsed |