Rod elevator insert

Details Rod elevator insert Rod elevator insert

1989-08-31

1991-01-01

Cherry, Johnny D.

Handling: hand and hoist-line implements

Grapple

Collar-engaging

294902, B66C 166, E21B 1906

Patent

active

049813161

ABSTRACT:
An insert for use in a rod elevator assembly. The insert is coated with a fusion-bonded nylon coating which is resistant to damage from the rod and which does not damage the plastic coating on the rod. Both inserts in a two-insert assembly are coated, and all surfaces of the inserts may be coated.

REFERENCES:
patent: 1622537 (1927-03-01), Neilson
patent: 1642628 (1927-09-01), Philbrick
patent: 1685713 (1928-09-01), Moody
patent: 2384331 (1945-09-01), Neilson
patent: 2994551 (1961-08-01), Garnett
patent: 3202450 (1965-08-01), Servis
patent: 3353235 (1967-11-01), Adams
patent: 3368252 (1968-02-01), Meek
patent: 3527094 (1970-09-01), Yew et al.
patent: 3902751 (1975-09-01), Burkepile et al.
patent: 4483564 (1984-11-01), McDaniel
patent: 4823919 (1989-04-01), Hayatdavoudi

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