Bellows for sealing off the piston rod passage in an operating cylinder

US4116115A · kind A · utility

Assignee

• Wabco Westinghouse · IT

Inventors

• Friedrich Gross · Seelze, DE
• Peter M. Binder · Bocholt, DE
• Dieter Brehmer · Hannover, DE

Key dates

• Filing date: Mar 2, 1977
• Grant date: Sep 26, 1978
• Expiry date: Mar 2, 1997

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16J15/52
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A bellows type sealing member for sealing off a piston rod opening formed at one end of an operating cylinder for accommodating reciprocal movement of a piston rod therein, in particular a diaphragm type cylinder for vehicle air-brake systems, wherein the piston rod has one end connected to a diaphragm disk and is provided at the other end with a forkhead, and the bellows can be sealingly fitted on a sleeve-like support member mounted coaxially in the piston rod opening of the diaphragm cylinder.