Portable air pump assembly and detechable safety lamp for automo

Details Portable air pump assembly and detechable safety lamp for automo Portable air pump assembly and detechable safety lamp for automo

1987-08-14

1988-10-11

Neils, Paul F.

Pumps

Condition responsive control of pump drive motor

By control of electric or magnetic drive motor

417 33, 417 63, 417313, 417411, 362190, 362191, 362253, 137224, 137227, 340 87, 152415, 200 82R, F04B 4906, F04B 3900, F21L 1100

Patent

active

047767669

ABSTRACT:
A portable air pump assembly and detachable safety lamp, includes an air compressor; an air supply line supplying pressurized air from the air compressor to a tire; an electrical supply line supplying current to the air compressor; electrical contacts which connect the electrical supply line to the air compressor only when they are in a closed condition; a by-pass air supply line having one end with the air compressor; a pressure limit switch connected with the opposite end of the by-pass air supply line for automatically causing termination of the current supply to the air compressor in response to back pressure from the tire when the tire has been inflated to a desired air pressure; and a safety lamp detachably connected with the housing for providing a warning light and operable in a connected or detached position.

REFERENCES:
patent: 1647818 (1927-11-01), Semak
patent: 1838811 (1931-12-01), Doran
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patent: 2589747 (1952-03-01), Tedeschi
patent: 2623934 (1952-12-01), De Bow et al.
patent: 2980889 (1961-04-01), Meissner
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patent: 3243100 (1966-03-01), Adams
patent: 4080105 (1978-03-01), Connell
patent: 4389166 (1983-06-01), Harvey et al.
patent: 4535391 (1985-08-01), Hsiao
patent: 4614479 (1986-09-01), Liu
patent: 4621984 (1986-11-01), Fussell
patent: 4713735 (1987-12-01), Hiltman
patent: 4715787 (1987-12-01), Hung

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