Movement indicator

Details Movement indicator Movement indicator

1976-06-10

1977-11-15

Yasich, Daniel M.

Signals and indicators

Alarms

Fluid flow

33 1H, 116124R, E21D 2102, G01V 128

Patent

active

040580792

ABSTRACT:
In a device for indicating a preset amount of relative movement between two points, an indicator sleeve axially movable in a cylindrical bore in a housing fixed to one of the points remains flush with the housing until the preset amount of movement is reached at which point the sleeve pops up to give a positive, easily identifiable indication of the movement. An actuating rod which bears against and follows the second point is axially slidable in the sleeve and operates a ball bearing mechanism which locks the indicator sleeve in the retracted position. The amount of movement required to generate the discrete indication is easily variable and monitoring of the actual displacement is always available.

REFERENCES:
patent: 1018328 (1912-02-01), Lee et al.
patent: 2692924 (1954-10-01), Williams
patent: 3082733 (1963-03-01), Tamny
patent: 3460258 (1972-02-01), Geary et al.
patent: 3786503 (1974-01-01), Webb et al.

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