Sealing of telescopically related elements

Details Sealing of telescopically related elements Sealing of telescopically related elements

1979-11-08

1982-09-21

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 31, 277154, 277157, 175414, F16J 1516

Patent

active

043503489

ABSTRACT:
Sealing means for telescopically related elements, especially elements such as the bit shank and body of a fluid-powered free piston hammer drill, comprise a diametrically divided sealing ring dimensioned to run sealingly and circumferentially uninterruptedly on a cylindrical sealing surface on one of the elements (e.g. the bit shank of a hammer drill) and sealingly to engage the other of the elements (e.g. the drill body). The sealing ring may be constructed of any material suited to its duty. If it is to perform a retaining function by limiting relative motion of the elements it may be of steel or other hard and strong material and may if required have a flexible or elastomeric sealing element.

REFERENCES:
patent: 601614 (1898-03-01), Dudley
patent: 648474 (1900-05-01), Ward
patent: 1498104 (1924-06-01), McCorkle
patent: 1560763 (1925-11-01), Collins
patent: 3023014 (1962-02-01), Donner
patent: 3297091 (1967-01-01), Dale
patent: 3322216 (1967-05-01), Kurt
patent: 3365202 (1968-01-01), Carleton
patent: 3936247 (1976-02-01), Tschirky et al.

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