Patent · US Active

Seal for a hydrostatic linear guide

US8821019B2 · kind B2 · utility

1Cited by

13References

12Claims

0Family size

Assignee

Schaeffler Technologies AG & Co. KG · DE

Inventors

Harald Peschke · Veitsbronn, DE
Wolfgang Bauer · Germering, DE
Thomas Gietl · Pegnitz, DE

Key dates

Filing date	May 22, 2012
Grant date	Sep 2, 2014
Priority date	—
Expiry date	Jul 15, 2032

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16C29/088
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A seal (1) for a hydrostatic linear guide with a given adjustment direction (5), with a longitudinal seal section (7, 7′) extending essentially parallel to the adjustment direction (5), and with a transverse seal section (8, 8′) extending essentially transverse to the adjustment direction (5), wherein a first lip seal with a projecting lip portion (12) extends along the longitudinal seal section and a second lip seal with a projecting lip portion (14) extends along the transverse seal section. A height of the projecting lip portion (12) of the first lip seal oscillates in a wave shape in the adjustment direction. With such a seal (1), both a high degree of static oil tightness and also a high degree of dynamic oil tightness are achieved for a hydrostatic linear guide.

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