Animal-actuated watering valve

Details Animal-actuated watering valve Animal-actuated watering valve

1975-04-02

1976-08-24

Cline, William R.

Valves and valve actuation

Valve actuator extending through fluid inlet or outlet

251DIG3, F16K 3144, F16K 1544

Patent

active

039762807

ABSTRACT:
Animal-actuated watering valve means comprises a coil of metallic spring wire having a plurality of convolutions and an outer sheath of a resilient material about the convolutions, the material having a substantially uniform radial thickness and exerting a radial compressive force on the spring wire along the length of the convolutions. An elongated actuator means for deflection by an animal is operably associated with the coil. The valve means is operable by parting or compressing the convolutions thereof, and is manufactured by threading a substantially uniform tubing made of a resilient material onto a spring made of coiled spring wire. The threading operation is accomplished by providing an uncoiled tail portion for the spring, first threading the tubing onto the tail portion, and thereafter transferring the threaded tubing from the tail portion onto a coiled portion of the spring.

REFERENCES:
patent: 960080 (1910-05-01), Ellsworth
patent: 2965129 (1960-12-01), Faust
patent: 3011512 (1961-12-01), Moen
patent: 3151628 (1964-10-01), Heckert
patent: 3500870 (1970-03-01), Ely, Jr. et al.
patent: 3513874 (1970-05-01), Welsh et al.
patent: 3711917 (1973-01-01), Baumgras
patent: 3800825 (1974-04-01), Zoll

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