Electricity: circuit makers and breakers – Special application – Change of inclination or of rate of motion responsive
Patent
1994-11-15
1996-04-02
Scott, J. R.
Electricity: circuit makers and breakers
Special application
Change of inclination or of rate of motion responsive
200 6183, 362 80, 362802, H01H 3502, G03B 3100
Patent
active
055042872
ABSTRACT:
A lamp assembly for use in an automotive applications which contains a switching assembly and a light bulb. The assembly may be mounted on the underside of an automobile hood or trunk and illuminates on angular movement of the hood or trunk. The switching assembly operates through the movement of a sphere within a tube which rests on a pivot block. The movement of the sphere within the tube causes a contact to engage and disengage from two terminals of a bridge switch. When the trunk or hood is closed the contact is disengaged and the light bulb is off. However, when the assembly is rotated 26.degree. from its position when the trunk or hood is closed, the contact bridges the terminals of the bridge switch and the light bulb illuminates. The contact disengages as the trunk or hood closes past 26.degree. and before 10.degree. from its closed position, and the bulb turns off.
REFERENCES:
patent: 1391782 (1921-09-01), McDannold
patent: 1911621 (1933-05-01), Holmgren
patent: 2206094 (1940-07-01), Hobbs
patent: 2228456 (1941-01-01), Hobbs
patent: 2601142 (1952-06-01), Hubbard
patent: 4104492 (1978-08-01), Pliml, Jr.
patent: 4467154 (1984-08-01), Hill
patent: 4629841 (1986-12-01), Riback et al.
patent: 4956629 (1990-09-01), Chen
patent: 5155308 (1992-10-01), Blair
Scott J. R.
Stewart-Warner Hobbs Corporation
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