Coiled edge guide for rod-tube signal device and method

Details Coiled edge guide for rod-tube signal device and method Coiled edge guide for rod-tube signal device and method

1975-03-17

1976-06-29

Queisser, Richard C.

Signals and indicators

Alarms

Fluid flow

29511, 72367, 73352, 73352, 264339, B29C 1702, G01K 1106

Patent

active

039658490

ABSTRACT:
A biased rod-tube visual indicator is restrained by a fusible binder. At a selected temperature, the binder will release the rod to an extended position. A reverse spiral coil is provided at the top inner edge of the tube to guide the indicating rod to its extended position.

REFERENCES:
patent: 3032825 (1962-05-01), Proud
patent: 3394572 (1968-07-01), Van Allman
patent: 3410939 (1968-11-01), Driza et al.
patent: 3548780 (1970-12-01), Kliewer
patent: 3779080 (1973-12-01), Smith
patent: 3820499 (1974-06-01), Kliewer et al.

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