Electric lamp and discharge devices: systems – Special application – Vehicle
Patent
1976-10-12
1978-06-27
Chatmon, Jr., Saxfield
Electric lamp and discharge devices: systems
Special application
Vehicle
200 6186, 200 82D, 315 80, B60Q 102
Patent
active
040977781
ABSTRACT:
A headlamp delay device comprising a switch having spaced contacts, a switch contact member movable to successively engage the contacts at different positions and detent means for holding the contact member in each of the positions. A housing has a piston and diaphragm dividing the housing into two chambers. A passage associated with one of the said chambers for connection to a source of vacuum and an inlet is provided to the one chamber. An orifice is associated with the inlet to the chamber for connection to a source of pressure higher than that supplied through the vacuum. A spring yieldingly urges the piston means in a direction opposite to that which the vacuum tends to move the piston. A shaft extends through the housing through the piston means and is connected to the switch contact member. An energy storing device is associated with the piston and operable upon dissipation of the vacuum and functioning of the spring to store energy when the vacuum is being dissipated such that upon predetermined storage of energy, the energy storing device functions to move the shaft and in turn the contact member within the switch against the action of the detent means successively storing and moving the shaft from one detent position to another.
REFERENCES:
patent: 1306071 (1919-06-01), Maegly
patent: 1946226 (1934-02-01), McCaleb
patent: 3039020 (1962-06-01), Sargent
patent: 3058030 (1962-10-01), Simpkins
patent: 3060290 (1962-10-01), Gagan
patent: 3125702 (1964-03-01), Herridge, Jr.
patent: 3156792 (1964-11-01), Long
patent: 3286058 (1966-11-01), Perhats
patent: 3639711 (1972-02-01), Jordan et al.
Chatmon, Jr. Saxfield
Tom McGuane Industries, Inc.
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