Protective cap for the sealing of a bushing around a pin in a ca

Details Protective cap for the sealing of a bushing around a pin in a ca Protective cap for the sealing of a bushing around a pin in a ca

1985-07-10

1986-03-18

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 84, 277152, 277166, 277 95, 384482, 384489, F16J 1524, F16C 3376

Patent

active

045763828

ABSTRACT:
In a bushing around a pin, where the bushing is separated from the pin by a series of rollers, as in the pin of a cardan joint, the free space between the bushing and the pin is closed by an axially short packing. An annular protective cap disposed over the packing extends around the pin. The cap has a radially extending section that extends over the axial end of the packing and has an axially extending section covering the packing and extending toward the bushing. A rib inside the radially extending section of the cap extends into a cooperatingly shaped groove in the adjacent radially extending surface of the packing so that the protective cap is elastically held to the packing. The outer end of the rib is thickened and the bottom of the groove is correspondingly widened for holding the cap to the packing.

REFERENCES:
patent: 2338169 (1944-01-01), Dunn
patent: 2945707 (1960-07-01), Wasley
patent: 3377820 (1968-04-01), Smith
patent: 3536332 (1970-10-01), Pitner
patent: 3770992 (1973-11-01), Veglia
patent: 4021085 (1977-05-01), Willyard

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