Oil well sucker rod shock absorber

Details Oil well sucker rod shock absorber Oil well sucker rod shock absorber

1985-03-05

1986-02-18

Freeh, William L.

Pumps

Expansible chamber type

Valved piston

92 84, 267125, F04B 2104, F16F 900

Patent

active

045711623

ABSTRACT:
An oil well sucker well shock absorber having a cylindrical outer casing, a spring disposed therewithin, a plurality of apertures extending through the casing and allowing fluid communication with upwardly extending slidably disposed piston plunger rod attaching device. Thus, unwanted play and travel and its associated wear can be minimized by force dissipation through the associated spring within the casing.

REFERENCES:
patent: 875372 (1907-12-01), Palm
patent: 1520058 (1924-12-01), Gibson
patent: 1785559 (1930-12-01), Ponti
patent: 2087590 (1937-07-01), Brazell
patent: 2153816 (1939-04-01), Stevens
patent: 2372472 (1945-03-01), Campbell
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patent: 3021794 (1962-02-01), Knox
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patent: 3376826 (1968-04-01), Crowe
patent: 3598206 (1971-08-01), Henwells
patent: 3963228 (1976-06-01), Karle
patent: 4049365 (1977-09-01), Sparks
patent: 4133516 (1979-01-01), Jurgens

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