Patent · US Expired

Sealing arrangement for a cardan spider bushing

US6050571A · kind A · utility

22Cited by

6References

14Claims

0Family size

Assignee

INA Wälzlager Schaeffler oHG · DE

Inventors

Guido Rieder · Pfullendorf, DE
Siegfried Gotz · Eschborn, DE
Manfred Würch · Herzogenaurach, DE
Martin Kruppa · Herzogenaurach, DE

Key dates

Filing date	Jan 14, 1998
Grant date	Apr 18, 2000
Priority date	—
Expiry date	Jan 14, 2018

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16C2361/41
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A sealing arrangement for a bearing bushing (1), particularly for a rolling bearing-mounted pin (6) of a cardan joint, said sealing arrangement comprising a rotary shaft seal (8) fixed against rotation on the bearing bush (1) by an armoring (3) and bearing sealingly against the pin (6) with a sealing lip (9), an armored fore-seal (5) disposed in front of the rotary shaft seal (8) and secured against rotation on the pin (6) while being supported on an end face (12) of the bearing bushing (1) wherein the rotary shaft seal (8) is made in one-piece with a rubber packing (15) of a sealing material extending towards the open end of the bearing bush (1) and forming a sealing lip (16) which is supported on an armoring (18) of the fore-seal (5).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.