Fluid-quantity alarming devices for the master cylinder

Details Fluid-quantity alarming devices for the master cylinder Fluid-quantity alarming devices for the master cylinder

1981-05-22

1984-03-13

Brigance, Gerald L.

Communications: electrical

Condition responsive indicating system

Specific condition

340 59, G08B 2100

Patent

active

044370911

ABSTRACT:
A fluid-quantity alarming system for a brake cylinder comprises a brake master cylinder body, a reservoir disposed on and connected to the cylinder body to be biased relative to the central axis of the master cylinder, the reservoir including an opening in a plane passing through the central axis of the master cylinder for fluid communication between the master cylinder body and the reservoir, an attachment hole located adjacent to the corner thereof away from the central axis of the master cylinder, and at least one blind female screw adjacent to the attachment hole, a switch case including a switch therein with a lead extending from the switch, a flange attached to the lower part of the switch case with a hole therein and a screw, and a float disposed around the switch case to be vertically moved in accordance with liquid level in the reservoir. The float includes means to actuate the switch when the float is located beside the switch. The switch case is disposed in the reservoir such that a lower end is sealingly situated in the attachment hole to permit the load attached to the switch to extend outside the reservoir, and the screw is disposed to pass through the hole of the flange and is fastened with the blind female screw.

REFERENCES:
patent: 3319240 (1967-05-01), Mirarchi et al.
patent: 3603925 (1971-09-01), Hughes et al.
patent: 3603926 (1971-09-01), Kimura
patent: 3611285 (1971-10-01), Eggstein
patent: 3680044 (1972-07-01), Tsubouchi
patent: 3849770 (1974-11-01), Hayashida
patent: 4301440 (1981-11-01), Kubota et al.

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